Sodium Citrate Guide for Food, Pharma & Water Treatment

Category: Food Ingredients

Learn how sodium citrate functions as a buffering agent, emulsifier, and pH regulator in food, beverages, pharmaceuticals, and water treatment.

Sodium citrate is the sodium salt of citric acid, available as monosodium, disodium, and trisodium citrate. It is widely used as a buffering agent, pH regulator, emulsifier, and preservative enhancer in food, beverages, pharmaceuticals, and industrial water treatment.

Forms and properties

Trisodium citrate is the most common form, appearing as a white crystalline powder or granular material. It is highly soluble in water and forms mildly alkaline solutions. Disodium and monosodium citrates are used when specific pH and buffering characteristics are required.

Food and beverage functions

• Buffers pH in beverages and sauces
• Emulsifies processed cheese and dairy products
• Enhances preservative efficacy
• Provides tart-salty flavor balance
• Stabilizes color and flavor in beverages
• Controls acidity in gelatins and desserts

Pharmaceutical uses

In pharmaceuticals, sodium citrate is used as an anticoagulant in blood products, a buffering agent in oral and injectable formulations, and an alkalizing agent. It must meet pharmacopeial standards for purity and compatibility.

Water treatment and cleaning

Sodium citrate is used in industrial water treatment, detergents, and cleaning formulations as a builder and chelating agent. It is biodegradable and less aggressive than some traditional builders, making it suitable for environmentally conscious formulations.

Sourcing checklist

• Specify mono-, di-, or trisodium citrate
• Confirm food-grade or pharma-grade certification
• Check pH and assay specifications
• Assess solubility and particle size
• Request COA, MSDS, and packaging details

Summary

Sodium citrate is a versatile citrate salt with essential roles in buffering, emulsification, and pH control. Choosing the right form and grade ensures optimal performance across food, pharma, and industrial applications.

When you are ready to procure, request a quotation through our quote page. Rimaan Royal is a GST-registered, FSSAI-licensed, IEC- and DGFT-registered supplier of food-grade, pharmaceutical-grade, cosmetic-grade, and industrial chemicals across India and select export markets.

Detailed Sodium Citrate buying and application guide

This section provides practical guidance for buyers evaluating Sodium Citrate for food and beverage applications. Whether you are comparing grades, checking documentation, or planning bulk procurement, the points below will help you make an informed sourcing decision and avoid common compliance or quality issues.

Chemical identity and specifications

Sodium Citrate is also known as Sodium Citrate. Its CAS number is 68-04-2 and its molecular weight is 258.07 g/mol. It is supplied in Food Grade, Pharma Grade grades and is used across Food & Beverage and Pharmaceutical. Typical applications include Buffering agent in dairy, Emulsifier in beverages, Anticoagulant in pharmaceuticals and pH stabilizer.

What Sodium Citrate is used for

• Buffering agent in dairy
• Emulsifier in beverages
• Anticoagulant in pharmaceuticals
• pH stabilizer

How to choose the right grade

• Food Grade: suitable for food, beverage and nutraceutical manufacturing with FSSAI compliance
• Pharma Grade: intended for pharmaceutical formulations, excipients and APIs with pharmacopoeial documentation

Packaging, storage and handling

Sodium Citrate is typically packed in 25kg / 50kg HDPE bags. Store it cool, dry place. The recommended shelf life is 2 years from manufacture date. Always keep containers sealed, use appropriate PPE during handling, and refer to the MSDS for safety guidance.

Documentation and compliance

• Certificate of Analysis (COA) showing batch test results
• Material Safety Data Sheet (MSDS) / Safety Data Sheet (SDS)
• Technical Data Sheet (TDS) with specifications and handling guidance
• FSSAI-compliant storage and handling for food-grade materials
• GST invoice, IEC and DGFT documentation for export orders

Procurement tips for Indian buyers

• Compare COAs across suppliers rather than only unit price
• Confirm MOQ, lead time and payment terms before committing
• Ask for samples for formulation trials or quality checks
• Verify the supplier is GST-registered and, where relevant, FSSAI-licensed
• For exports, ensure IEC/DGFT registration and export-compliant packaging

Export and international shipping considerations

For buyers in UAE, Saudi Arabia, Qatar, Oman, Kuwait and Bahrain and other markets, Rimaan Royal provides IEC- and DGFT-registered export documentation, COA/MSDS/TDS, packing lists, commercial invoices and certificates of origin. Food-grade and pharma-grade materials are packed to withstand tropical transit and humidity.

Common formulation and sourcing mistakes to avoid

• Ordering Sodium Citrate without confirming the required grade for your application
• Accepting a generic COA that does not match the batch being supplied
• Ignoring packaging and storage requirements, leading to caking or degradation
• Choosing price over documentation and supplier compliance credentials
• Failing to plan lead times for export documentation and customs clearance

Summary

Sodium Citrate is a valuable material for food and beverage operations when sourced with the right grade, documentation and logistics support. Rimaan Royal supplies certified materials across India and export markets with batch traceability, responsive WhatsApp support and pan-India delivery. Request a quote or sample to evaluate suitability for your application.

Key takeaways

• Choose the right grade of Sodium Citrate for your application and regulatory environment.
• Verify specifications such as purity, appearance and packaging against the supplier COA.
• Confirm GST, FSSAI and IEC/DGFT credentials when sourcing in India or exporting.
• Request samples for formulation trials and quality verification.
• Use Rimaan Royal for pan-India delivery and export documentation support.

Frequently asked questions

What is Sodium Citrate?

Sodium Citrate (Sodium Citrate) is used in Food & Beverage and Pharmaceutical. It is available in Food Grade, Pharma Grade grades.

Which grade of Sodium Citrate should I buy?

Choose from Food Grade, Pharma Grade grades based on your application. Food and pharma grades require compliance documentation, while industrial grades suit technical manufacturing.

What documents should I request when buying Sodium Citrate?

Request a Certificate of Analysis (COA), Material Safety Data Sheet (MSDS), Technical Data Sheet (TDS), and invoices showing GST registration. Export buyers should also ask for IEC/DGFT documentation and certificates of origin.

Can Rimaan Royal supply Sodium Citrate for export?

Yes. Rimaan Royal is IEC and DGFT registered and can supply Sodium Citrate to Middle East, Africa, South-East Asia and South Asian markets with full export documentation.

How do I request a quote for Sodium Citrate?

You can request a quote through our quote page, via WhatsApp, or by contacting us directly. Share your required grade, quantity, packaging preference and delivery location for a fast response.

What packaging sizes are available for Sodium Citrate?

Sodium Citrate is supplied in 25kg / 50kg HDPE bags. Custom pack sizes, private labeling and export palletization can be arranged on request.

How should Sodium Citrate be stored?

Store sodium citrate cool, dry place. The recommended shelf life is 2 years from manufacture date. Keep containers sealed and handle with appropriate PPE.

Why is supplier verification important for Sodium Citrate?

Verified suppliers provide batch-traceable COAs, GST-compliant invoices, FSSAI or pharmacopoeial documentation, and reliable logistics. This reduces quality risks, compliance issues and production delays.

References

• Food Safety and Standards Authority of India (FSSAI) — food additive regulations
• Indian Pharmacopoeia (IP), British Pharmacopoeia (BP), United States Pharmacopeia (USP), European Pharmacopoeia (EP)
• Directorate General of Foreign Trade (DGFT) — export documentation requirements
• Central Pollution Control Board (CPCB) and State PCB guidelines for chemical handling