Is Ethoxyquin permitted in every market?

No. Ethoxyquin authorization varies significantly by country, species, application, and product category. Buyers must verify destination-market rules, maximum levels, label requirements, residue requirements, and customer restrictions before purchase or use.

What quality documents should buyers request for Ethoxyquin?

Common documents include specification, certificate of analysis, safety data sheet, active assay, impurity profile, p-phenetidine declaration where required, origin information, batch traceability, packaging details, shelf-life statement, and market-specific authorization documents.

Antioxidants

Ethoxyquin

Name: Ethoxyquin
Brand: Atlas Feed Additives

Ethoxyquin is a synthetic quinoline antioxidant used in selected feed and feed-ingredient applications to help control oxidation in fats, oils, fishmeal, animal meals, premixes, pigments, vitamins, and finished feed where market authorization allows its use.

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CAS 91-53-2 Common chemical identifier

C14H19NO Molecular formula

Antioxidant Used to retard oxidation where permitted

Regulated Authorization and limits vary by market

Product role

Where Ethoxyquin fits

Ethoxyquin is part of the antioxidants group. It is used as a technological additive in selected feed supply chains to help slow oxidative damage in ingredients that contain unsaturated fats, fat-soluble vitamins, pigments, carotenoids, xanthophylls, and other oxidation-sensitive components.

In feed-additive sourcing, Ethoxyquin is not evaluated only by price. Buyers normally review active assay, product form, carrier system, solubility, ease of application, target substrate, inclusion method, impurity profile, storage stability, packaging, destination-market authorization, and residue or labeling requirements.

Atlas Feed Additives can coordinate international supplier options for feed mills, premix producers, rendering companies, fishmeal handlers, oil and fat processors, pet food manufacturers, distributors, and integrators that need consistent feed-grade antioxidant products with export-ready documentation.

Regulatory caution

Ethoxyquin is highly market-sensitive. Some countries permit defined feed uses under specific conditions, while other markets restrict, suspend, or do not authorize its use in certain feed categories. Buyers must verify the destination-market rule set before requesting a quotation, importing, labeling, blending, or applying the product.

Technical purpose

Protection against oxidative deterioration

Oxidation can reduce the quality, odor, color, palatability, nutrient value, and commercial stability of feed ingredients. It is especially important in high-fat ingredients, marine meals, rendered meals, oils, fats, pigment-containing materials, vitamin premixes, and feeds exposed to long-distance logistics or warm storage conditions.

Ethoxyquin helps control oxidation by interrupting oxidative reactions in susceptible substrates. Its practical value depends on correct application timing, homogeneous distribution, target ingredient quality, moisture control, storage temperature, oxygen exposure, packaging, and compatibility with other antioxidants.

Used in selected feed applications to help protect fats and oils from rancidity
Relevant for fishmeal, meat meal, poultry meal, rendered fats, and marine ingredients
Can help protect carotene, xanthophylls, and fat-soluble vitamins where authorized
Often compared with BHT, BHA, TBHQ, propyl gallate, tocopherols, and antioxidant blends
Requires strict confirmation of market authorization, maximum level, and label language

Buyer clarity

What buyers should define before comparing offers

Ethoxyquin may be offered as a concentrated liquid, diluted liquid blend, dry carrier-based product, or premix. These forms differ in active content, solubility, handling, dosing accuracy, final cost per active kilogram, and suitability for fishmeal, fats, oils, premixes, or complete feed.

Active Ethoxyquin concentration or assay
Liquid, powder, carrier-based, or formulated blend format
Target application: oil, fat, meal, premix, or finished feed
Solubility and dispersion method in the intended substrate
Carrier identity and carrier percentage for powder products
Impurity profile, including p-phenetidine where required
Destination-market authorization, maximum use level, and labeling requirements
Residue or customer-specific restrictions for animal-origin products

Typical applications

Application areas in feed and ingredient supply chains

Ethoxyquin is most relevant where oxidation creates quality, safety, odor, color, nutrient, or logistics challenges. The final use should be confirmed against local regulations, customer specifications, target species, and maximum permitted inclusion levels.

Fishmeal and marine ingredients

Fishmeal and marine ingredients may contain highly unsaturated lipids that are prone to oxidation. Ethoxyquin has historically been used in some supply chains to help stabilize marine meals during storage, shipment, and long-distance logistics where permitted.

Animal fats and vegetable oils

Used in selected oil and fat systems to slow rancidity, peroxide formation, odor deterioration, and quality loss. Buyers should confirm oil solubility, dosing method, antioxidant carry-through, and finished feed compliance.

Rendered meals

May be used for poultry meal, meat and bone meal, feather meal, and other rendered ingredients that contain oxidation-sensitive fat fractions. Application should be done with accurate dosing and uniform distribution.

Vitamin premixes

Can be considered in premix systems where fat-soluble vitamins and sensitive actives need antioxidant protection. Compatibility with vitamins, trace minerals, carriers, moisture level, and storage conditions must be reviewed.

Pigment and carotenoid protection

May help protect carotene, xanthophylls, and pigment-containing ingredients where authorized. Buyers should verify whether the intended claim, species, and final feed use are permitted in the destination market.

Long-distance feed logistics

Relevant when feed ingredients are exposed to extended transport, warm climates, variable humidity, or long warehouse cycles. Antioxidant selection should be paired with packaging, freshness testing, and inventory control.

Market restriction warning

Ethoxyquin must not be promoted as universally approved. Before sale or use, confirm the exact application, feed category, target species, maximum level, additive status, label wording, residue requirements, and customer acceptance in the importing country and final market.

Specification guide

Typical technical points requested by buyers

The following table is a practical procurement guide. Exact values depend on supplier, grade, product form, carrier system, active concentration, and destination-market rules. Always confirm the offered specification and lot-specific certificate of analysis before ordering.

Product name	Ethoxyquin, Ethoxyquin feed antioxidant, antioxidant premix, oil antioxidant blend, or feed preservative product depending on supplier documentation and market classification.
Chemical identity	1,2-Dihydro-6-ethoxy-2,2,4-trimethylquinoline; also described as 6-ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline.
CAS number	91-53-2.
Molecular formula	C14H19NO.
Molecular weight	Approximately 217.31 g/mol.
Chemical family	Synthetic quinoline antioxidant.
Functional role	Technological antioxidant or preservative in selected feed and ingredient applications where permitted by market rules.
Typical appearance	Concentrated material is commonly a yellow to amber or brownish liquid. Carrier-based products may be free-flowing powders, granules, or premixes depending on formulation.
Assay	Buyer should specify active Ethoxyquin content. Concentrated liquid, diluted liquid, oil blend, carrier powder, and premix products require different assay expectations.
Analytical method	Common buyer requests may include HPLC, GC, or validated supplier methods for active assay and impurity profile. Method suitability should be confirmed for the offered matrix.
p-Phenetidine	Request a declaration or test value for p-phenetidine where required by regulation, customer policy, or internal quality control. This impurity is a key point in Ethoxyquin procurement review.
Other impurities	Buyers may request limits for oxidation products, quinone imine-related compounds, residual solvents, heavy metals, process impurities, and unknown peaks according to destination-market or customer requirements.
Solubility and dispersion	Liquid Ethoxyquin is commonly used in oil-soluble antioxidant systems. Powder or premix forms depend on carrier, particle size, and mixing conditions for uniform distribution.
Carrier system	For dry products, confirm carrier identity, carrier percentage, anticaking system, particle size, bulk density, dust profile, and compatibility with premix or feed manufacturing.
Application substrate	Confirm whether the product is intended for fats, oils, fishmeal, animal meals, vitamin premixes, pigment materials, canned pet food, dry feed, or another permitted use.
Recommended dose	Dose depends on market authorization, substrate oxidation risk, active concentration, desired protection, and customer specification. Final use level must not exceed applicable legal limits.
Performance tests	Buyers may request peroxide value, anisidine value, TBA/TBARS, oxidative stability index, active recovery, heat stability, carry-through, or retained vitamin/pigment studies.
Packaging	Liquid forms may be supplied in bottles, jerrycans, drums, or IBCs. Powder forms may be supplied in lined bags, cartons, drums, or big bags depending on product type and order quantity.
Storage	Store tightly closed in a cool, dry, well-ventilated area, protected from excessive heat, sunlight, oxidation, moisture, and incompatible materials. Follow supplier SDS and label instructions.
Shelf life	Confirm supplier shelf-life statement, production date, expiry or retest date, recommended storage temperature, and whether opened containers require faster use or resealing procedures.
Documentation	Specification, COA, SDS, technical data sheet, active assay, impurity profile, origin declaration, batch traceability, packaging list, shelf-life statement, and destination-market authorization documents.

Note: This table is procurement guidance only. Final specifications, permitted uses, and maximum inclusion levels must be verified against the supplier documents and the regulations of the destination market.

Procurement note

Ask for the right specification before comparing prices.

Price comparisons are meaningful only when active assay, carrier, product form, application medium, packaging, origin, impurity profile, shelf life, and documentation are aligned. Ethoxyquin can be sold as a high-active liquid, diluted liquid blend, oil-soluble antioxidant system, dry powder, or complete antioxidant premix. Each format has a different active cost, handling profile, and legal-use context.

For sensitive products, also review market authorization, p-phenetidine declaration, residue risk, customer-specific restrictions, label wording, storage conditions, compatibility with fats or meals, and whether the product is approved for the exact animal species and feed category.

Recommended comparison rule

Compare offers by cost per kilogram of active Ethoxyquin delivered to the intended application point, not only by product price per kilogram. For dry products, include active content, carrier percentage, inclusion rate, application efficiency, freight, packaging, documentation, and compliance cost.

Quality checklist

Buyer quality checklist for Ethoxyquin

A complete quality checklist helps avoid confusion between concentrated active material, diluted liquid, oil antioxidant blend, dry carrier product, and finished antioxidant premix.

Identity and assay

Product name and grade
Active Ethoxyquin assay
CAS number and chemical identity
Analytical method and test basis
Batch number and manufacturing date
Product form and concentration

Impurity and stability

p-Phenetidine declaration or test result
Oxidation product profile where required
Residual solvent statement if applicable
Heavy metals or contaminant statement
Heat and storage stability information
Compatibility with target substrate

Compliance and documents

Specification and COA
SDS and technical data sheet
Feed-grade suitability statement
Destination-market authorization status
Labeling and maximum-use guidance
Residue or customer compliance statement

Best RFQ practice

For faster supplier matching, send the desired product form, active concentration, application substrate, target country, feed category, intended species, required maximum level, quantity, packaging preference, Incoterm, and complete documentation list.

Formulation considerations

Match antioxidant form to the feed process

Ethoxyquin performance depends on when and how it is applied. A liquid antioxidant may be suitable for fats, oils, fishmeal, or rendered ingredients, while a dry product may be easier to use in premixes or dry feed systems. The product must be distributed uniformly and used within permitted limits.

For fats and oils, confirm solubility, dosing equipment, and mixing time.
For fishmeal and animal meals, apply early enough to protect the ingredient during storage and transport.
For premixes, review carrier compatibility, particle size, dusting, and active recovery.
For vitamin systems, evaluate interaction with trace minerals, choline chloride, moisture, and storage temperature.
For pigment systems, confirm compatibility with carotenoids, xanthophylls, and pigment carriers.
For finished feed, check legal maximum levels, label declarations, and customer residue requirements.

Substrate planning

Different ingredients need different protection strategies

Oxidation risk is influenced by fat type, unsaturation level, free fatty acid content, peroxide value at receipt, metal contamination, moisture, air exposure, storage temperature, ingredient age, and packaging. Ethoxyquin may be used alone or in combination with other antioxidants depending on the application and market authorization.

Marine oils and fishmeal: monitor oxidation values and transport stability.
Rendered fats: review peroxide value, moisture, impurities, and storage temperature.
Protein meals: confirm fat content and expected storage duration.
Vitamin premixes: review active recovery over shelf life.
Complete feed: confirm final concentration and label wording.
Pet food: review brand policy, customer restrictions, and market-specific expectations.

Regulatory and compliance review

Authorization status must be checked before quotation and shipment.

Ethoxyquin has a complex regulatory profile. Some markets define specific feed uses, maximum levels, and labeling language. Other markets may restrict or prohibit use in certain categories or require additional documentation. Because the rule set can change and may differ by species, application, and final product, Atlas Feed Additives recommends confirming compliance before issuing or accepting any commercial quotation.

Buyer should confirm

Is Ethoxyquin authorized in the destination country?
Which species and feed categories are allowed?
What is the maximum permitted level?
Is use allowed in the ingredient, premix, or finished feed?
Are residue limits or carry-over controls required?
What label statement is required?

Supplier should provide

Regulatory status statement where available
Recommended use guidance
Active concentration and dilution instructions
SDS and hazard classification
Impurity profile and p-phenetidine information
Batch traceability and COA

Customer should approve

Final feed label declaration
Permitted claims and marketing language
Residue policy for animal-origin products
Brand restrictions for pet food or aquafeed
Use in export products
Substitution with alternative antioxidants when needed

Important compliance message

Atlas Feed Additives can help collect documents and coordinate supplier options, but final approval for import, use, label claims, maximum inclusion level, residue compliance, and customer acceptance must be confirmed by the buyer, importer, regulatory advisor, and qualified nutrition or quality team.

Documentation package

Documents commonly requested by professional buyers

Ethoxyquin requires stronger documentation control than many routine feed ingredients because of regulatory sensitivity, impurity concerns, customer restrictions, and maximum-use requirements.

Core product documents

Product specification sheet
Lot-specific certificate of analysis
Safety data sheet
Technical data sheet
Recommended use and dilution guidance
Packaging specification
Shelf-life and storage statement

Quality and impurity documents

Active assay result
p-Phenetidine declaration or analysis
Residual solvent statement where applicable
Heavy metals statement
Unknown impurity profile where required
Stability or active-retention data where available
Batch traceability statement

Regulatory and logistics documents

Country of origin declaration
Feed-grade suitability statement
Market authorization statement where available
Labeling guidance where available
Transport classification details
Packing list and commercial invoice
Certificate of analysis matched to shipment lot

Document review before dispatch

Do not wait until customs clearance or customer intake to check Ethoxyquin documentation. Confirm the COA, SDS, label requirements, impurity data, and regulatory status before dispatch, especially for shipments to markets with strict feed-additive authorization systems.

Handling and storage

Practical handling guidance for liquid and dry products

Ethoxyquin products should be handled according to the supplier SDS, workplace safety rules, and local transport requirements. Concentrated antioxidant products may have strong odor, staining potential, chemical sensitivity, and specific hazard classifications that differ by formulation.

Liquid product handling

Use sealed containers, compatible pumps, calibrated dosing systems, spill trays, and controlled transfer procedures. Avoid unnecessary exposure to heat, air, sunlight, and incompatible chemicals.

Dry product handling

Check dusting potential, flowability, carrier compatibility, and mixing uniformity. Use ventilation and personal protective equipment according to the SDS and internal safety procedures.

Storage control

Store in a cool, dry, well-ventilated area with containers tightly closed. Keep away from direct sunlight, moisture, oxidizing agents, ignition sources, food materials, and unauthorized access.

Traceability records

Maintain lot number, production date, expiry or retest date, received quantity, released quantity, retained sample, and customer allocation records for every batch.

Finished feed control

Because Ethoxyquin is often regulated by maximum concentration in treated articles or finished feed, production teams should keep accurate records of dosing, dilution factor, active concentration, treated quantity, and calculated final level.

Logistics and packaging

Packaging options should match product form and transport rules

Ethoxyquin logistics depend on the concentration, formulation, packaging size, hazard classification, and destination-market documentation. Buyers should confirm packaging, palletization, labeling, storage temperature, and transport classification before shipment.

Liquid packaging	Small bottles, jerrycans, HDPE drums, steel drums, lined drums, or IBCs may be available depending on supplier, concentration, and order volume.
Dry packaging	Lined paper bags, foil bags, fiber drums, cartons, or big bags may be available for carrier-based powders or antioxidant premixes.
Label information	Product name, active concentration, batch number, net weight, production date, expiry or retest date, storage instructions, supplier details, hazard labeling, and feed-use labeling where applicable.
Shipment planning	Confirm Incoterm, destination port, HS code support, container type, pallet requirements, temperature exposure, dangerous-goods classification, and customs documentation.
Sampling	Buyers may request a pre-shipment sample, retained sample, laboratory approval sample, or sealed batch sample depending on order value, destination, and customer approval requirements.

Oxidation monitoring

Testing can support better antioxidant decisions

Antioxidant selection should be supported by ingredient quality data where possible. Ethoxyquin can be part of an oxidation-control program, but it does not replace good raw-material quality, moisture control, clean storage, short inventory cycles, or proper packaging.

Before application

Peroxide value
Free fatty acid level
Moisture content
Fat content
Odor and color check
Ingredient age and storage history

During storage

Temperature exposure
Air and light exposure
Packaging integrity
Active antioxidant retention
Peroxide trend
Odor and rancidity monitoring

Finished product

Calculated final concentration
Label declaration
Residue review where required
Customer acceptance
Shelf-life target
Regulatory compliance file

Quotation workflow

How Atlas Feed Additives reviews Ethoxyquin requests

Atlas Feed Additives supports buyers by matching technical needs with suitable supplier options, documentation availability, logistics conditions, and destination-market requirements.

Define the regulatory destination. Share the destination country, species, feed category, target application, and whether the product will be used in an ingredient, premix, finished feed, or pet food.
Confirm product form and concentration. Tell us whether you need concentrated liquid, diluted liquid, oil-soluble blend, dry carrier-based product, or antioxidant premix, and provide your required active Ethoxyquin percentage.
Review impurity and documentation requirements. Confirm whether you need p-phenetidine analysis, impurity profile, residual solvent statement, residue compliance statement, specific test methods, or customer-specific documents.
Check application conditions. Provide the target substrate, expected dose, storage period, processing conditions, packaging, and whether the material will face long-distance shipment or warm climate storage.
Compare supplier and logistics options. Confirm quantity, packaging, Incoterm, destination port, payment terms, lead time, transport classification, and quotation validity.
Prepare quotation and next steps. When suitable options are available, Atlas can provide price, specification summary, packaging details, available documents, and sample or order-confirmation steps.

Incoming quality control

Suggested receiving checks

Feed mills, premix manufacturers, fishmeal handlers, and fat processors should define incoming inspection standards before shipment. The receiving plan should match the purchase contract, supplier COA, internal quality procedures, and destination-market requirements.

Confirm product name, active concentration, batch number, and packaging against documents.
Inspect containers for leaks, swelling, damage, moisture, odor leakage, corrosion, or contamination.
Verify COA values against agreed assay, impurity, and p-phenetidine limits.
Check appearance, odor, color, flowability, and caking where relevant.
Confirm SDS, label, and transport classification are consistent with the received product.
Retain a representative sample according to internal quality policy.
Store released product under stated conditions and segregate non-conforming lots.
Record production use by batch for traceability and final concentration calculation.

Risk reduction

Common procurement risks to avoid

Ordering Ethoxyquin without checking destination-market authorization.
Comparing low-active and high-active products only by price per kilogram.
Ignoring carrier type, active concentration, or dilution factor.
Failing to check p-phenetidine or impurity requirements.
Using product claims or label wording not permitted locally.
Exceeding maximum permitted levels in treated ingredients or finished feed.
Not checking customer restrictions for pet food, aquafeed, or animal-origin products.
Skipping SDS review, transport classification, or warehouse safety procedures.

Buyer questions

Questions to include in your inquiry

To help Atlas Feed Additives review suitable options quickly, include as many of the following details as possible in your first message.

Technical request

Required product form
Active Ethoxyquin concentration
Target substrate or application
Required analytical method
p-Phenetidine requirement
Impurity or residue limits
Required shelf life

Regulatory request

Destination country
Target species
Feed category
Maximum use level
Required label language
Customer restrictions
Export or re-export market

Commercial request

Order quantity
Annual demand estimate
Destination country and port
Preferred Incoterm
Packaging preference
Target delivery schedule
Required documents and certificates

Questions

Useful answers

What is Ethoxyquin used for in animal nutrition?

Ethoxyquin is used as an antioxidant or preservative in selected feed and ingredient applications to help retard oxidative deterioration in fats, oils, fishmeal, animal meals, pigments, vitamins, premixes, and finished feed where permitted by local market rules.

Is Ethoxyquin authorized in every country?

No. Ethoxyquin authorization varies significantly by country, species, feed category, and application. Some markets allow defined uses under strict conditions, while others restrict or do not authorize it. Buyers must verify the destination-market rule set before purchase or use.

What is the CAS number of Ethoxyquin?

The commonly used CAS number for Ethoxyquin is 91-53-2.

What chemical family does Ethoxyquin belong to?

Ethoxyquin is a synthetic quinoline antioxidant. It is used for oxidation control rather than as a nutritional source of energy, protein, amino acids, vitamins, or minerals.

What product forms are available?

Ethoxyquin may be supplied as a concentrated liquid, diluted liquid, oil-soluble blend, dry carrier-based powder, granule, or finished antioxidant premix. The right form depends on the substrate, dosing system, mixing process, and legal-use context.

Why is p-phenetidine important in Ethoxyquin procurement?

p-Phenetidine is an impurity that may be relevant to Ethoxyquin quality and regulatory review. Buyers should request a declaration or analysis when required by regulation, customer policy, or internal quality standards.

Can Ethoxyquin be used in fishmeal?

Ethoxyquin has historically been used in some fishmeal and marine-ingredient supply chains to help control oxidation. Current use depends on the destination market, customer policy, feed category, maximum level, and residue requirements.

What quality documents should buyers request?

Common documents include specification sheet, certificate of analysis, safety data sheet, technical data sheet, active assay, p-phenetidine declaration where required, impurity profile, origin declaration, batch traceability, packaging list, shelf-life statement, and market-specific feed authorization documents.

How should Ethoxyquin be stored?

Store in tightly closed containers in a cool, dry, well-ventilated area. Protect from heat, sunlight, moisture, oxidation, incompatible chemicals, and unauthorized access. Always follow the supplier SDS and label instructions.

Can Atlas Feed Additives quote Ethoxyquin?

Yes. Send your required active concentration, product form, application, quantity, destination, packaging preference, Incoterm, target delivery timing, and required documents so Atlas Feed Additives can review suitable supplier options for Ethoxyquin.

Request a quotation

Tell us what you need

Send your product list, target specification, required Ethoxyquin concentration, application, destination country, packaging preference, quantity, Incoterm, and required documents. Our team will review your request and respond from orders@feedgradeadditives.com.

orders@feedgradeadditives.com +90 507 856 26 11 WhatsApp

Helpful message example

Please quote Ethoxyquin for feed antioxidant use. Required form: liquid or carrier-based powder. Active concentration: please offer available options. Application: fishmeal / oil / premix / finished feed. Destination: CIF Mersin / or your destination. Quantity: 500 kg trial order or 1 FCL. Required documents: COA, SDS, specification, p-phenetidine declaration, origin, shelf-life statement, and feed-grade suitability statement.

Before sending your inquiry

Please confirm whether Ethoxyquin is permitted for your destination market and intended application. If you are unsure, include the destination country, feed category, target species, and customer requirements so the documentation review can start correctly.