Food Grade Sodium Citrate 30-100mesh - Versatile Acidulant and Buffer for Food Processing
Introduction to Sodium Citrate Technology
Sodium Citrate stands as one of the most versatile and indispensable food additives in contemporary food manufacturing. Our food-grade sodium citrate, specially processed to 30-100 mesh particle size, offers manufacturers an ideal balance of functionality and processability in diverse food systems. This trisodium salt of citric acid serves as a superior buffering agent, emulsifier, and sequestrant, meeting the growing industry demand for clean-label multifunctional ingredients. With its neutral taste and excellent solubility, this GRAS-certified compound has become essential for achieving consistent quality in everything from dairy products to beverage systems and processed meats.
Key Product Specifications
Chemical Name: Trisodium Citrate Dihydrate
Molecular Formula: Na₃C₆H₅O₇·2H₂O
Purity: ≥99% (FCC/BP/EP standards)
Mesh Size: 30-100 (optimized for uniform blending)
Appearance: White crystalline powder
Solubility: 72g/100mL in water (25°C)
pH (1% solution): 7.5-9.0
Certifications: FCC, USP, BP, EP, FDA 21CFR184.1751 GRAS
Multifunctional Roles in Food Systems
1. pH Regulation & Buffering
Maintains stable pH in dairy systems (5.5-6.5 optimal range)
Prevents acid shock in cultured products
Balances acidity in beverage formulations
2. Emulsification & Texture Control
Essential in processed cheese (2-3% usage)
Improves melt characteristics
Stabilizes protein emulsions in meat products
3. Chelation & Mineral Modification
Binds calcium to prevent milk protein coagulation
Modifies calcium availability in nutritional products
Inhibits metal-catalyzed oxidation
4. Other Functional Benefits
Enhances flavor perception in beverages
Reduces syneresis in dairy gels
Acts as leavening acid component
Critical Applications in Food Processing
Dairy Industry (Primary Application)
Processed Cheese: Standard emulsifying salt (1.5-3.0%)
Yogurt: pH stabilizer for culture activity
Ice Cream: Improves protein functionality
Dairy Powders: Prevents caking
Meat & Seafood Processing
Processed Meats: Improves water binding (0.3-0.8%)
Marinades: Enhances protein hydration
Surimi: Texture modifier
Beverage Systems
Carbonated Drinks: pH buffer
Electrolyte Drinks: Sodium source
Protein Beverages: Stability enhancer
Other Specialty Uses
Molecular Gastronomy: Spherification agent
Bakery: Dough conditioner
Confectionery: Acid buffer
Technical Advantages for Manufacturers
1. Process Optimization Benefits
Ideal mesh size for uniform distribution
Rapid dissolution at processing temperatures
Consistent performance batch-to-batch
2. Quality Enhancement Features
Maintains product consistency
Extends shelf stability
Improves mouthfeel characteristics
3. Economic Value Proposition
Reduces need for multiple additives
Low use levels for significant effects
Cost-effective solution for quality improvement
Regulatory Compliance & Safety
Global Approvals
FDA: GRAS (21CFR184.1751)
EU: Approved as E331(iii)
JECFA: ADI "not specified"
Halal/Kosher certified
Safety Profile
Naturally occurring in cells
Metabolized via normal pathways
No allergenic concerns
Quality Assurance Protocol
Stringent Testing Includes
Assay by titration (99-101%)
Heavy metals
Microbial limits per food standards
Particle size distribution verification
Loss on drying testing
Usage Guidelines & Best Practices
Recommended Concentrations
Processed cheese: 1.5-3.0%
Beverages: 0.1-0.5%
Meat products: 0.3-0.8%
Dairy systems: 0.2-1.5%
Application Methods
Direct Addition: Blend with dry ingredients
Pre-Dissolution: Water solutions for liquids
Sequential Addition: With other functional ingredients
Storage & Handling
24-month shelf life in original packaging
Store in cool, dry conditions (
Maintain sealed containers to prevent caking
Why Choose Our Sodium Citrate?
1. Quality Leadership
Optimized particle size distribution
Lower impurity profile
Enhanced solubility characteristics
2. Technical Support
Application-specific formulation guidance
Troubleshooting assistance
Regulatory documentation
3. Supply Chain Excellence
Global manufacturing network
Flexible packaging options
Quality consistency guarantees
Market-Specific Advantages
For Dairy Processors
Consistent cheese melt performance
Improved yogurt culture activity
Enhanced dairy powder stability
For Meat Manufacturers
Better moisture retention
Improved sliceability
Clean-label alternative to phosphates
For Beverage Companies
Stable pH control
Enhanced mineral balance
Improved flavor profile
Sustainability Profile
Biodegradable
Produced from renewable sources
Eco-friendly manufacturing
Physicochemical properties | |
SODIUM DIHYDROGEN CITRATE Basic information | |
Product Name: | SODIUM DIHYDROGEN CITRATE |
CAS: | 18996-35-5 |
MF: | C6H7NaO7 |
MW: | 214.11 |
EINECS: | 242-734-6 |
Mol File: | 18996-35-5.mol |
SODIUM DIHYDROGEN CITRATE Chemical Properties | |
Melting point | 212 °C(lit.) |
storage temp. | Inert atmosphere,Room Temperature |
solubility | H2O: 0.25 M at 20 °C, clear, colorless |
form | Crystalline Powder |
color | White |
PH | 3.5-3.8 (25ºC, 50mg/mL in H2O) |
Water Solubility | Soluble in water. Insoluble in ethanol. |
λmax | λ: 260 nm Amax: 0.15 |
Density | 1.6032 |
BRN | 3920246 |
CAS DataBase Reference | 18996-35-5(CAS DataBase Reference) |
EPA Substance Registry System | 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, monosodium salt (18996-35-5) |


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