SODIUM CITRATE
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Sodium Citrate (E331)
Food Grade Sodium Citrate – Premium Quality Buffer & Emulsifying Agent for Food Processing, Pharmaceutical Manufacturing & Industrial Applications
Sodium Citrate (E331) is a vital buffering agent extensively utilized in food processing, pharmaceutical production, medical applications, and industrial processes. Our technical-grade sodium citrate delivers exceptional buffering performance and emulsification effectiveness with superior purity for demanding food processing operations, pharmaceutical formulation, and industrial processes requiring safe, effective pH control and emulsification solutions.
✅ High-Performance Buffering Agent – Superior pH Control & Emulsification Capability
✅ Multiple Grade Formulations – Food Grade, FCC, USP, BP & Medical Specifications
✅ Essential Buffering Properties – pH Stabilization & Emulsifying Function
✅ Safe for Food Applications – FDA Approved & Internationally Recognized E331 Standard
✅ Food Processing, Pharmaceutical Manufacturing, Medical & Industrial Applications
Description
High-Performance Sodium Citrate for Food Processing & Pharmaceutical Manufacturing Operations
Sodium Citrate (E331) represents advanced buffering technology specifically formulated for food processing operations, pharmaceutical manufacturing applications, medical procedures, and industrial processes requiring consistent pH control and emulsification effectiveness. This essential sodium salt of citric acid serves critical functions across food formulation procedures, pharmaceutical production applications, medical treatments, and industrial processes requiring controlled pH stabilization and emulsifying properties.
At Chemicals & Process Equipment Limited, we supply high-grade Sodium Citrate manufactured under stringent quality control standards and international food safety specifications. Our comprehensive product range includes food-grade, FCC-grade, USP-grade, BP-grade, and medical-grade formulations meeting diverse requirements for food processing, pharmaceutical manufacturing, and specialized applications across global food processing, medical, and industrial markets.
✅ Advanced Buffering Technology – Optimized pH Control & Emulsification Performance
✅ Consistent Quality Standards – Multiple Grade Classifications with Comprehensive Documentation
✅ Essential Buffering Properties – pH Stabilization & Emulsifying Enhancement Support
✅ Multi-Industry Applications – Food Processing, Pharmaceutical, Medical & Industrial Uses
✅ Technical Support Package – Complete Application Guidance & Process Optimization
For comprehensive information on sodium citrate applications in food processing and pharmaceuticals, refer to this detailed sodium citrate buffer systems study by Food Chemistry International. Our buffering agents and emulsifiers portfolio provides specialized guidance for optimal buffering performance and emulsification effectiveness across diverse food processing applications.
The Sodium Citrate Market is expected to grow from USD 890 Million in 2024 to USD 1.35 Billion by 2031, at a CAGR of 6.1% during the forecast period, while the market achieved a valuation of USD 820 million in 2024 and is forecasted to climb to USD 1.45 billion by 2033, advancing at a CAGR of 8.4% from 2026 to 2033. This growth is driven by increasing demand for processed foods, expanding pharmaceutical applications, growing medical device industry, and rising consumer preference for natural buffering solutions across global food and healthcare markets.
Technical Specifications & Sodium Citrate Properties
| Property | Food Grade FCC | Food Grade USP | Pharmaceutical BP | Medical Grade |
|---|---|---|---|---|
| Chemical Formula | Na3C6H5O7·2H2O | Na3C6H5O7·2H2O | Na3C6H5O7·2H2O | Na3C6H5O7·2H2O |
| Molecular Weight | 294.10 g/mol | 294.10 g/mol | 294.10 g/mol | 294.10 g/mol |
| Assay (Dried Basis) | 99.0-100.5% | 99.0-100.5% | 99.0-101.0% | 99.5-100.5% |
| Water Content | 11.0-13.0% | 11.0-13.0% | 11.0-13.0% | 11.5-12.5% |
| pH (5% solution) | 7.5-9.0 | 7.5-9.0 | 7.5-9.0 | 8.0-8.5 |
| Chloride | ≤50 ppm | ≤50 ppm | ≤50 ppm | ≤25 ppm |
| Sulfate | ≤150 ppm | ≤150 ppm | ≤150 ppm | ≤100 ppm |
| Heavy Metals (Pb) | ≤2 ppm | ≤2 ppm | ≤2 ppm | ≤1 ppm |
| Arsenic (As) | ≤1 ppm | ≤1 ppm | ≤1 ppm | ≤0.5 ppm |
| Mercury (Hg) | ≤1 ppm | ≤1 ppm | ≤1 ppm | ≤0.5 ppm |
| Oxalate | ≤100 ppm | ≤100 ppm | ≤100 ppm | ≤50 ppm |
| Total Plate Count | ≤1000 cfu/g | ≤1000 cfu/g | ≤100 cfu/g | ≤10 cfu/g |
| Yeast & Mold | ≤100 cfu/g | ≤100 cfu/g | ≤10 cfu/g | ≤5 cfu/g |
| E.Coli | Absent/g | Absent/g | Absent/g | Absent/g |
| Salmonella | Absent/10g | Absent/10g | Absent/10g | Absent/10g |
| Appearance | White to colorless crystalline powder | White to colorless crystalline powder | White crystalline powder | White crystalline powder |
| Solubility (Water) | 720g/L at 25°C | 720g/L at 25°C | 720g/L at 25°C | 730g/L at 25°C |
| Buffer Capacity | Excellent at pH 3-6 | Excellent at pH 3-6 | Excellent at pH 3-6 | Excellent at pH 3-6 |
| Osmolality | 280-320 mOsm/kg | 280-320 mOsm/kg | 285-315 mOsm/kg | 290-310 mOsm/kg |
| Bulk Density | 0.7-0.9 g/mL | 0.7-0.9 g/mL | 0.8-1.0 g/mL | 0.8-0.9 g/mL |
| Particle Size | 20-80 mesh | 20-80 mesh | 40-80 mesh | 60-100 mesh |
| Storage Conditions | Cool, dry place | Cool, dry place | Cool, dry place | Cool, dry place |
| Packaging Options | 25kg bags, 500kg big bags, bulk containers |
Available Grade Types:
- Food Grade FCC sodium citrate for food processing applications
- Food Grade USP sodium citrate meeting pharmacopeial standards
- Pharmaceutical BP sodium citrate for drug manufacturing
- Medical grade sodium citrate for clinical applications
- Custom formulations for specific processing requirements
Specialized Packaging Solutions:
- 25kg multi-layer paper bags with moisture barrier
- 500kg FIBC big bags for bulk operations
- 1000kg bulk containers for large-scale processing
- Pharmaceutical-grade storage containers for medical facilities
- Sterile packaging options for medical applications
- Moisture-controlled packaging for crystal stability
Food Processing Applications
Dairy Product Manufacturing Dairy processors utilize sodium citrate in processed cheese products, cheese sauces, and melted cheese applications for emulsification and texture improvement. Cheese manufacturers employ sodium citrate for fondue products, cheese spreads, and specialty dairy applications requiring smooth melting properties.
Beverage Production & Flavoring Beverage manufacturers use sodium citrate in soft drinks, sports beverages, and flavored drinks for pH buffering and taste enhancement. Energy drink producers employ sodium citrate for electrolyte balance and flavor optimization in functional beverage formulations.
Confectionery & Candy Manufacturing Confectionery producers utilize sodium citrate in gummy candies, jellies, and fruit-flavored confections for texture improvement and pH control. Chocolate manufacturers employ sodium citrate for specialty chocolate applications and flavor enhancement.
Meat & Poultry Processing Meat processors use sodium citrate in processed meats, sausages, and cured meat products for pH control and protein binding enhancement. Poultry processing facilities employ sodium citrate for marinades and processed poultry applications.
Pharmaceutical Applications
Injectable Solutions & IV Fluids Pharmaceutical manufacturers utilize sodium citrate in injectable medications, intravenous solutions, and clinical formulations requiring precise pH buffering and osmotic balance. Hospital pharmacies employ sodium citrate for patient care and medical treatment applications.
Oral Medications & Syrups Drug companies use sodium citrate in liquid medications, pediatric syrups, and oral solutions requiring taste improvement and pH stabilization. Pharmaceutical manufacturers employ sodium citrate for effervescent formulations and soluble tablets.
Blood Collection & Laboratory Medical device manufacturers utilize sodium citrate in blood collection tubes, anticoagulant solutions, and laboratory applications requiring blood preservation and coagulation prevention. Clinical laboratories employ sodium citrate for diagnostic testing and sample preservation.
Dialysis & Medical Treatments Medical equipment companies use sodium citrate in dialysis solutions, medical procedures, and therapeutic applications requiring safe anticoagulation and pH control. Healthcare facilities employ sodium citrate for patient treatment protocols.
Medical & Clinical Applications
Anticoagulant Therapy Healthcare providers utilize sodium citrate for anticoagulation during medical procedures, blood transfusions, and therapeutic treatments requiring safe blood thinning properties. Medical facilities employ sodium citrate for surgical applications and patient care.
Urinary Alkalinization Medical practitioners use sodium citrate for treating kidney stones, urinary tract conditions, and metabolic acidosis requiring urinary pH modification. Nephrology clinics employ sodium citrate for patient treatment and kidney health management.
Electrolyte Replacement Healthcare manufacturers utilize sodium citrate in electrolyte solutions, rehydration products, and medical nutrition applications requiring mineral balance and pH control. Sports medicine facilities employ sodium citrate for athlete recovery and hydration.
Industrial Applications
Chemical Processing & Manufacturing Chemical manufacturers utilize sodium citrate in metal cleaning, electroplating, and industrial processing applications requiring chelation properties and pH control. Electronics companies employ sodium citrate for circuit board cleaning and metal preparation.
Water Treatment Applications Water treatment companies use sodium citrate in boiler treatments, cooling systems, and industrial water applications requiring scale prevention and metal ion control. Municipal facilities employ sodium citrate for water conditioning and treatment processes.
Textile & Dyeing Operations Textile manufacturers utilize sodium citrate in fabric dyeing, printing applications, and textile processing requiring pH control and metal ion sequestration. Fashion companies employ sodium citrate for color fastness and fabric treatment.
Cosmetic & Personal Care Cosmetic manufacturers use sodium citrate in skin care products, hair care formulations, and personal care applications requiring pH adjustment and stability enhancement. Beauty companies employ sodium citrate for premium cosmetic formulations.
Cleaning & Detergent Applications
Household Cleaning Products Detergent manufacturers utilize sodium citrate in dishwasher detergents, laundry products, and household cleaners requiring water softening and cleaning enhancement. Consumer product companies employ sodium citrate for eco-friendly cleaning formulations.
Industrial Cleaning Systems Industrial cleaning manufacturers use sodium citrate in metal cleaners, descaling products, and specialty cleaning applications requiring safe chelation and pH control. Facility maintenance companies employ sodium citrate for equipment cleaning and maintenance.
Quality Control & Testing Procedures
Comprehensive Quality Assurance Every production batch undergoes extensive testing to ensure compliance with food safety, pharmaceutical, and medical specifications. Our quality control laboratory employs advanced analytical techniques including titration methods, HPLC analysis, and sterility testing.
Quality assurance procedures include:
- Assay determination via complexometric titration and HPLC analysis
- Water content analysis using Karl Fischer titration
- pH measurement of standard solutions
- Heavy metals testing using ICP-MS procedures
- Microbiological testing including total plate count and pathogen screening
- Chloride and sulfate content analysis using ion chromatography
- Oxalate content analysis using enzymatic methods
- Buffer capacity testing using pH titration curves
- Osmolality measurement using freezing point depression
- Sterility testing for medical grade applications
Application Guidelines & Best Practices
Dosage Optimization Develop standardized dosage guidelines based on product types, buffering requirements, and regulatory limits to ensure optimal pH control effectiveness and emulsification performance. Typical usage levels range from 0.1% to 2.0% depending on application and desired buffering capacity.
Buffer System Design Establish proper buffer system procedures for incorporating sodium citrate into various formulations, considering pH range requirements and interaction with other buffering agents for optimal product performance.
Medical Application Protocols Implement proper handling and preparation procedures for medical applications including sterility maintenance, concentration accuracy, and patient safety considerations for clinical use.
Market Applications & Industry Trends
Processed Food Growth Expanding processed food industry and consumer demand for convenience foods drive continued growth in sodium citrate applications for cheese products, beverages, and specialty food formulations.
Healthcare Market Expansion Growing healthcare industry and aging population support increased adoption of sodium citrate in medical applications, pharmaceutical formulations, and clinical treatments worldwide.
Clean Label Ingredients Increasing consumer preference for recognizable ingredients and natural-origin additives drives growth in sodium citrate applications as a naturally-derived buffering and emulsifying agent.
Environmental & Regulatory Compliance
FDA & International Standards Sodium citrate is approved by the FDA and granted GRAS status for food applications with established medical use recognition. Our sodium citrate products comply with FDA, E331, and international food safety standards, ensuring regulatory acceptance across global markets.
E331 European Approval European E331 designation supports widespread use in EU food applications with comprehensive safety documentation and regulatory acceptance for food processing operations throughout European markets.
Medical Device Regulations Compliance with international medical device regulations and pharmaceutical standards ensures safe use in clinical applications and medical treatments across global healthcare markets.
Performance Advantages & Technical Benefits
✔ Superior Buffering Capacity – Effective pH control and stabilization across pH ranges
✔ Natural Origin – Derived from citric acid supporting clean-label formulations
✔ Emulsification Properties – Excellent emulsifying and texturizing capabilities
✔ Multi-Application Versatility – Food processing, pharmaceutical, and medical uses
✔ Regulatory Compliance – FDA approved and internationally recognized E331 food additive
✔ Medical Safety – Approved for clinical use with established safety profile
✔ Quality Consistency – Reliable performance with comprehensive analytical documentation
Our Sodium Citrate products represent industry-leading standards in buffering technology and emulsification solutions, specifically formulated for demanding food processing operations, pharmaceutical manufacturing procedures, and medical applications. We provide comprehensive technical support, application guidance, and regulatory consultation to ensure optimal performance across your specialized food processing, pharmaceutical, or medical applications.
For detailed specifications, certificates of analysis, or application-specific recommendations, contact our specialized pharmaceutical ingredients division. We offer complete support including formulation development, dosage optimization, and regulatory guidance to maximize effectiveness in your food processing, beverage manufacturing, or pharmaceutical production applications.
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