AtlasFeed Additives

Organic acids and acidifiers

Citric Acid

Citric Acid is a versatile organic acid used in feed and animal nutrition programs for pH management, acidification, feed hygiene, preservation support, mineral chelation, and digestive-support strategies.

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Organic acid Feed acidifier Anhydrous or monohydrate pH management Export documentation support
Citric Acid feed additive visual

Product role

Where Citric Acid fits

Citric Acid is part of the organic acids and acidifiers group. Buyers typically evaluate this product by matching the declared form, assay, particle size, solubility, intended species, feed format, processing conditions, handling precautions, and documentation requirements.

In feed production, Citric Acid may be used as a technological and functional ingredient where formulators need acidification, pH adjustment, preservation support, mineral chelation, or digestive-support positioning. It is widely recognized as a weak organic acid and can be supplied in different commercial forms, especially anhydrous Citric Acid and Citric Acid monohydrate.

Atlas Feed Additives can coordinate international supplier options for feed mills, premix producers, distributors, integrators, liquid-feed producers, aquafeed manufacturers, and specialty nutrition companies that need consistent feed-grade material with reliable documentation.

At a glance

Commercial and formulation value

pH management

Used in feed and nutrition programs where controlled acidity, buffering behavior, and formula pH are important technical considerations.

Feed hygiene support

Often evaluated in hygiene-focused formulas, preservation programs, liquid-feed systems, and starter diets where acidification is part of the formulation strategy.

Chelating functionality

Citric Acid can interact with minerals through citrate formation, which makes impurity profile, formula compatibility, and mineral interactions important.

Flexible supply formats

Available supply may include fine crystals, granules, powder, anhydrous form, monohydrate form, or customer-specific particle-size options.

Technical profile

Specification points buyers should confirm

Citric Acid offers should not be compared only by price per metric ton. Meaningful comparison requires the same declared form, assay basis, moisture level, particle size, impurity limits, packaging, origin, shelf life, and documentation package.

Product name Citric Acid, also known by the systematic name 2-hydroxypropane-1,2,3-tricarboxylic acid.
Chemical formula C6H8O7.
Product group Organic acids and acidifiers for feed, premix, water, liquid-feed, preservation, and hygiene-focused applications where permitted.
Common forms Anhydrous Citric Acid and Citric Acid monohydrate. The form should be clearly declared on the specification and certificate of analysis.
Molar mass reference Approximate molar mass is 192.12 g/mol for anhydrous Citric Acid and approximately 210.14 g/mol for Citric Acid monohydrate.
Acid profile Citric Acid is a weak organic acid with three carboxylic acid groups. Typical pKa references are approximately 3.13, 4.76, and 6.40.
Physical appearance Usually supplied as white or colorless crystals, granules, or powder depending on grade and particle-size specification.
Solubility Highly soluble in water. Dissolution rate depends on particle size, temperature, agitation, purity, and whether the product is anhydrous or monohydrate.
Quality checks Assay, water content, residue on ignition, oxalate, sulfate, chloride, readily carbonizable substances, heavy metals, arsenic, lead, mercury, particle size, color, and clarity of solution when required.
Handling considerations Review dust potential, worker exposure, eye and skin irritation, corrosion risk in solution, packaging integrity, moisture pickup, and compatibility with storage and dosing equipment.
Feed-grade checks Feed suitability declaration, certificate of analysis, safety data sheet, country of origin, manufacturer details, batch traceability, shelf life, and destination-market compliance documents.
Formulation note Final inclusion should be defined by the nutritionist, formulation objective, total acid load, buffering capacity of the diet, target species, processing method, and local regulations.

Typical applications

Where Citric Acid is commonly evaluated

  • feed and water acidification where permitted by local regulations
  • starter diets and young-animal nutrition programs
  • hygiene-focused feed formulas and acidifier blends
  • grain, liquid feed, and wet-feed preservation strategies
  • premixes, mineral feeds, and specialty additive blends
  • aquaculture feed and water-quality-related formulation concepts
  • pet food and companion animal diets where acidification or palatability support is required
  • mineral interaction management through citrate formation and chelation-related formulation design

Buyer quality checklist

Documents and tests to request

  • declared form: anhydrous or monohydrate
  • assay and analytical method
  • moisture or water content
  • particle size and physical form
  • solubility or clarity of solution if required
  • certificate of analysis for each supplied batch
  • safety data sheet and handling precautions
  • heavy metal and undesirable substance limits
  • origin, manufacturer details, and lot traceability
  • packaging, shelf life, storage conditions, and retest policy

Application context

How buyers typically position Citric Acid

Citric Acid can be used in different feed and nutrition systems, but its value depends on the target function. A buyer sourcing Citric Acid for a dry premix may prioritize particle size and flowability, while a buyer using it in liquid feed may prioritize solubility, clarity, corrosion control, and dosing accuracy.

Dry feed and premix use

Particle size, flowability, dust level, caking tendency, segregation risk, carrier compatibility, and uniform distribution are key purchasing criteria.

Liquid feed and water systems

Solubility, dissolution speed, clarity, dosing equipment compatibility, corrosion potential, water quality, and storage tank conditions should be evaluated.

Starter and transition diets

Citric Acid may be included in programs designed around acidification, digestion support, palatability, and feed hygiene during sensitive production phases.

Preservation and hygiene formulas

It may be part of acidifier blends for preservation support, but results depend on total acid system, moisture, microbial pressure, feed matrix, and storage conditions.

Important formulation note: Atlas Feed Additives supports sourcing and documentation coordination. Final inclusion rates, claims, target species suitability, and label language should be confirmed by the supplier, a qualified nutritionist, and applicable feed additive regulations in the destination market.

Form selection

Anhydrous vs monohydrate: why the form matters

Anhydrous Citric Acid

Often selected when buyers want a lower water-content form, defined assay, and specific handling behavior. It may be preferred where moisture contribution must be minimized.

Citric Acid monohydrate

Contains one molecule of water of crystallization. It may differ in moisture basis, bulk density, dissolution behavior, and price comparison versus anhydrous material.

Granular or fine particle size

Granular material may reduce dust and improve handling, while finer material may dissolve faster but can create more dust or segregation risk in some systems.

Procurement tip: Always ask suppliers to state whether the assay is calculated on an anhydrous basis or as-is basis. Comparing anhydrous and monohydrate offers without adjusting for form and water content can lead to incorrect purchasing decisions.

Function-focused buying

Questions to ask before selecting a Citric Acid grade

What is the main purpose?

Clarify whether the product is needed for pH reduction, preservation support, mineral chelation, palatability support, water treatment, liquid feed, premix use, or an acidifier blend.

Which physical form is needed?

Confirm whether the process requires powder, fine crystals, coarse crystals, granules, low-dust material, fast-dissolving material, or a controlled particle-size distribution.

Will it interact with other additives?

Review compatibility with enzymes, probiotics, vitamins, minerals, binders, carriers, salts, preservatives, flavors, anticaking agents, and acidifier blend components.

What is the buffering environment?

Diet buffering capacity, mineral level, protein source, water hardness, and other acids can influence the final pH response and practical acidification result.

What equipment will handle it?

Check storage bins, dosing screws, liquid tanks, pumps, mixers, conveyors, and packaging lines for dust, corrosion, caking, moisture, and cleaning requirements.

What documents are required?

Importers may need COA, SDS, origin certificate, feed-grade declaration, heavy metal data, allergen or GMO statement, halal or kosher documents, or buyer-specific forms.

Procurement note

Ask for the right specification before comparing prices.

Price comparisons are meaningful only when form, assay, moisture, particle size, packaging, origin, shelf life, storage conditions, shipment terms, and documentation are aligned. For organic acids and acidifier products, also review handling precautions, equipment compatibility, caking tendency, dust level, and compatibility with pelleting, premix, water, or liquid-feed processes.

1 Define the form

Confirm whether the request is for anhydrous Citric Acid, Citric Acid monohydrate, fine powder, granular material, or a specific particle-size profile.

2 Match the application

State whether the product will be used in premix, compound feed, liquid feed, drinking water, preservation programs, or acidifier blends.

3 Check documentation

Request COA, SDS, origin, batch number, specification, feed-grade declaration, shelf life, impurity data, and any destination-market certificates.

4 Compare landed value

Evaluate assay, usable form, packaging, freight, lead time, payment terms, document completeness, storage needs, and supplier reliability together.

Processing and compatibility

Questions for feed mills and premix plants

Citric Acid is straightforward to use only when the selected grade matches the production system. Dry powder handling, premix blending, liquid dosing, acidifier blends, and water applications can each require different specification priorities.

  • Is the product anhydrous or monohydrate?
  • Does the particle size match the mixer, dosing system, and carrier?
  • Is dust control required in the production area?
  • Will the product be added directly or through a premix dilution?
  • Does the acid interact with minerals, buffers, or carbonate sources?
  • Is corrosion-resistant equipment needed for solutions?
  • Will the product be exposed to humidity during storage?
  • Does the finished formula require a defined pH target?

Storage and handling

Protect product quality during use

Citric Acid should be stored and handled according to the supplier safety data sheet and the buyer’s feed safety system. It is important to reduce moisture exposure, keep packaging closed, manage dust, and avoid contact with incompatible materials or unsuitable equipment.

  • store in a dry, covered, well-ventilated area
  • keep bags sealed when not in use
  • avoid moisture pickup, caking, and damaged packaging
  • use calibrated weighing and controlled dosing
  • follow SDS guidance for PPE, dust control, and spills
  • review compatibility with metal surfaces and liquid dosing equipment
  • segregate clearly from non-feed chemicals and incompatible materials
  • use first-expiry-first-out stock rotation

Quality and compliance

Recommended documents for Citric Acid procurement

Commercial documents

Proforma invoice, packing list, commercial invoice, certificate of origin when required, shipment details, Incoterms, lead time, and payment terms.

Quality documents

Product specification, batch COA, assay, form declaration, moisture, particle size, impurity profile, heavy metal results, shelf-life statement, and storage recommendation.

Safety and compliance

SDS, feed-grade declaration, allergen or GMO statement where required, halal or kosher certificates if needed, label information, and destination-specific regulatory documents.

Documentation tip: Ask whether the COA values are reported on an as-is basis or dry basis, and confirm that the quoted material matches the form, assay, and particle size required by your formulation team.

Risk management

Common purchasing risks to avoid

Citric Acid is widely traded, but buyers can still face quality, documentation, handling, and price-comparison problems when specifications are incomplete. A structured purchasing checklist reduces these risks before shipment.

Wrong form quoted

Anhydrous and monohydrate products are not always directly comparable. Confirm the form before price comparison or contract confirmation.

Unclear particle size

Fine, coarse, granular, and powder grades can behave differently in blending, dosing, dust control, and dissolution applications.

Incomplete documents

Missing COA, SDS, origin details, batch data, or feed-grade declarations can delay import clearance or customer approval.

Practical warning

Do not compare only by product name.

Two offers labeled “Citric Acid” may differ in form, assay basis, moisture, particle size, food/feed grade status, country of origin, packaging, shelf life, and document package.

Best practice: compare delivered usable acid value, form, documentation, packaging, logistics cost, and process suitability together.

Quotation preparation

Information to include in your request

A complete inquiry helps Atlas Feed Additives respond faster and compare supplier options more accurately. Use the checklist below when requesting a quotation for Citric Acid.

Product details

Required form, assay, particle size, grade, moisture limit, solubility requirement, impurity limits, and any preferred origin.

Application details

Target species, feed type, premix use, liquid-feed use, water use, preservation goal, acidifier blend, or pH target.

Quantity and logistics

Trial quantity, monthly demand, annual forecast, destination country, delivery terms, packaging preference, lead time, and shipment conditions.

Document requirements

COA, SDS, origin, feed-grade statement, impurity data, heavy metal results, shelf life, halal, kosher, GMO, allergen, or buyer-specific documents.

Supplier coordination

How Atlas Feed Additives supports buyers

Atlas Feed Additives helps customers compare Citric Acid options from a sourcing perspective: form selection, assay fit, particle-size suitability, supplier reliability, document completeness, packaging suitability, shipment planning, and quotation clarity. This is especially useful for buyers comparing multiple offers that may differ in form, origin, grade, packaging, and specification basis.

  • reviewing buyer specifications before quotation
  • checking whether supplier documents match the requested grade
  • coordinating product, packaging, and shipment details
  • supporting feed mills, premix producers, distributors, integrators, aquafeed producers, and liquid-feed businesses
  • helping buyers avoid non-comparable offers based on different forms, assay basis, or particle sizes
  • organizing document requests such as COA, SDS, origin, shelf life, impurity data, and feed-grade declaration

Related products

Formic Acid Propionic Acid Acetic Acid Lactic Acid Fumaric Acid Sodium Diformate

Questions

Useful answers

What is Citric Acid used for in animal nutrition?

Citric Acid is commonly used for pH management, feed acidification, feed hygiene, preservation support, mineral chelation, and digestive-support programs. It should be used according to the target species, formulation objective, processing conditions, and applicable market rules.

Can Atlas Feed Additives quote Citric Acid?

Yes. Send your required specification, form, assay, quantity, destination, packaging preference, delivery terms, and required documents so Atlas Feed Additives can review suitable supplier options for Citric Acid.

What quality documents should buyers request for Citric Acid?

Common documents include specification, certificate of analysis, safety data sheet, origin information, batch details, shelf-life statement, packaging details, impurity profile, heavy metal limits, and any market-specific certificates required by the buyer.

What is the difference between anhydrous Citric Acid and Citric Acid monohydrate?

Anhydrous Citric Acid contains no water of crystallization, while Citric Acid monohydrate contains one molecule of water of crystallization. This difference affects assay basis, moisture, molar mass, handling, and price comparison.

Why does particle size matter?

Particle size influences flowability, dust level, dissolution speed, mixing uniformity, segregation risk, and handling in premixes, compound feed, liquid feed, and water applications.

Is Citric Acid suitable for pelleted feed?

Citric Acid can be used in feed manufacturing, but suitability depends on the formula, processing conditions, equipment compatibility, total acid load, moisture, and the desired function. Confirm technical requirements before use in pelleted feeds.

Can Citric Acid be used in drinking water?

Citric Acid may be used in water-acidification systems where permitted, but the correct use depends on water quality, target pH, dosing equipment, corrosion risk, regulatory status, and species-specific nutrition guidance.

Does Citric Acid replace other organic acids?

Not automatically. Citric Acid, formic acid, propionic acid, lactic acid, acetic acid, fumaric acid, and acid salts have different pKa values, antimicrobial profiles, volatility, palatability, handling risks, and application strengths. Selection depends on the formulation objective.

What impurities should be checked?

Buyers often check assay, moisture, residue on ignition, oxalate, sulfate, chloride, readily carbonizable substances, arsenic, lead, mercury, heavy metals, color, clarity, and other parameters required by their specification or destination market.

How should Citric Acid be stored?

Store Citric Acid in a dry, covered, well-ventilated area with closed packaging. Avoid moisture pickup, damaged bags, contamination, and contact with incompatible materials. Follow the supplier safety data sheet for detailed storage and handling guidance.

Is Citric Acid corrosive to equipment?

Dry Citric Acid is generally easier to handle than liquid mineral acids, but acidic solutions can still create corrosion concerns depending on concentration, temperature, contact time, and equipment material. Review SDS and equipment compatibility before use.

How should buyers compare different Citric Acid offers?

Compare form, assay, moisture, particle size, grade, impurity limits, packaging, shelf life, origin, document package, freight, lead time, payment terms, and landed cost. Avoid comparing anhydrous and monohydrate offers as if they were identical.

What information should I send for a fast quotation?

Please send the required form, assay, particle size, quantity, destination, target application, packaging preference, delivery terms, and required documents. If the product will be used in water or liquid feed, include concentration, dosing system, and target pH information where available.

Request a quotation

Tell us what you need

Send your product list, target specification, required form, assay, particle size, destination country, packaging preference, estimated quantity, feed application, delivery terms, and required documents. Our team will review your request and respond from orders@feedgradeadditives.com.

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