Product Name: Food Grade Calcium Chloride Dihydrate Powder
Synonym: Calcium Chloride 2-Hydrate, Food Grade CaCl2·2H2O Powder, E509 Calcium Salt
Chemical Formula: CaCl2·2H2O
CAS Number: 10035-04-8
EINECS Number: 233-140-8
Food Grade Calcium Chloride Dihydrate Powder is a high-purity, free-flowing white powder produced by refining, crystallizing, and controlled drying of purified calcium chloride solution. It is a food-safe calcium source widely used as a firming agent, coagulant, stabilizer, flavor enhancer, and mineral fortifier across food, beverage, and nutritional industries.
The powder form offers excellent solubility, fast dissolution, and uniform dispersion, making it ideal for precise blending and automated dosing applications. With a CaCl2·2H2O purity ≥99% and calcium content around 27%, it provides high bioavailability and consistent performance in food processing systems.
Produced in accordance with FCC (Food Chemicals Codex), GB 1886.45, and E509 (EU additive) standards, this product is free from ammonia, magnesium, sulfates, and heavy metals. It is processed in ISO 9001, ISO 22000, and HACCP-certified facilities to ensure maximum quality, purity, and traceability.
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High Food Grade Purity: ≥99.0% CaCl2·2H2O, compliant with FCC and E509 standards.
Excellent Solubility: Rapid dissolution in water without residue.
High Calcium Content: Approximately 27% elemental calcium for nutrition and fortification.
Powder Form Advantages: Fine particle size, uniform dispersion, and easy metering.
Non-Toxic & Safe: Low heavy metals, ammonia-free, suitable for direct food use.
Strong Hygroscopicity: Quickly absorbs moisture; ideal for moisture control applications when stored properly.
| Parameter | Specification | Standard Grade | Test Method |
Calcium Chloride (CaCl2·2H2O) | ≥ 99.0% | 99.2% | Gravimetric |
Calcium Chloride (as CaCl2) | ≥ 74.0% | 74.2% | Titrimetric |
Calcium (as Ca) | ~27.0% | 27.1% | Atomic Absorption |
| Magnesium (as Mg) | ≤ 0.005% | < 0.002% | ICP-OES |
Sodium (as Na) | ≤ 0.05% | 0.03% | ICP-OES |
Sulfates (as SO4) | ≤ 0.02% | 0.01% | Gravimetric |
Insoluble Matter | ≤ 0.02% | 0.01% | Gravimetric |
Heavy Metals (as Pb) | ≤ 5 ppm | < 2 ppm | AAS |
| Arsenic (As) | ≤ 1 ppm | < 0.5 ppm | ICP-MS |
| Mercury (Hg) | ≤ 0.1 ppm | < 0.05 ppm | ICP-MS |
| Fluoride (F) | ≤ 0.003% | < 0.002% | Ion-selective electrode |
Parameter | Specification / Typical Value | Test Method | Notes |
Appearance | White, fine crystalline powder | Visual | Free-flowing |
Odor & Taste | Odorless, slightly saline | Sensory | — |
| Bulk Density (Loose) | 0.70–0.90 g/cm³ | ASTM D1895 | — |
Particle Size Range | 100–300 μm (customizable) | Laser Diffraction | Fine and uniform |
| pH (5% solution at 25°C) | 6.5–8.5 | pH Meter | Neutral to slightly basic |
| Solubility in Water (25°C) | 74 g/100 mL | Gravimetric | Highly soluble |
| Hygroscopicity | Strong | Observation | Store in sealed containers |
| Whiteness | ≥ 90% | CIE Lab | — |
| Moisture Content | ≤ 0.3% | Gravimetric | — |
High Food Safety Standard: Produced under strict food-grade protocols ensuring compliance with global additive standards.
Fast Dissolution: Powdered form allows quick and uniform dissolution, ideal for beverages, dairy, and liquid blends.
Effective Calcium Source: Provides a stable and bioavailable form of calcium for nutritional enrichment.
Functional Versatility: Performs as a coagulant, stabilizer, desiccant, and flavor enhancer.
Uniform Particle Distribution: Ensures homogeneous mixing in food matrices and powders.
Stable Storage & Handling: Low impurity level prevents discoloration or degradation during storage.

Food & Beverage Applications:
- Firming agent for canned fruits, pickles, and vegetables.
- Coagulant for tofu and cheese manufacturing.
- Calcium fortifier in dairy drinks and plant-based beverages.
- Flavor enhancer in processed food and salt substitutes.
Nutritional & Health Products:
- Ingredient in dietary supplements, electrolyte powders, and rehydration solutions.
- Used in sports nutrition as a mineral replenisher.
Pharmaceutical & Biotechnology:
- Calcium source in oral rehydration and intravenous formulations.
- Applied in enzyme stabilization and controlled fermentation systems.
Industrial Food Use:
- Acts as anti-caking and desiccant agent in packaging and drying processes.
Packaging Options: 25 kg PE-lined paper bags, 50 kg woven sacks, or 1000 kg FIBC (Big Bags).
Custom Packaging: Moisture-proof, vacuum-sealed, and export-grade options available.
Storage: Store in a cool, dry, and well-ventilated environment. Protect from humidity and direct sunlight.
Shelf Life: 24 months in unopened packaging under recommended conditions.
Handling Precautions: Avoid moisture exposure; reseal after opening. Use gloves and protective eyewear to prevent irritation.

GHS Classification: Non-hazardous for food applications.
Hazard Statements: Hygroscopic; contact with water releases mild heat and may cause irritation.
First Aid Measures:
- Inhalation: Move to fresh air; seek medical attention if symptoms persist.
- Eye Contact: Rinse with clean water for several minutes.
- Skin Contact: Wash thoroughly with soap and water.
- Ingestion: Non-toxic in regulated food use; seek medical help if consumed in large amounts.
Manufacturing Standards: Produced under ISO 9001:2015, ISO 22000, and HACCP systems for food-grade compliance.
Batch Documentation: Each lot accompanied by a Certificate of Analysis (CoA) verifying chemical composition and food safety.
Regulatory Compliance:
Conforms to FCC, GB 1886.45, E509, REACH, and RoHS.
Manufactured under Good Manufacturing Practices (GMP).
Customization Options:
Adjustable particle size (fine or medium).
Alternative granular, flake, or anhydrous versions available.
Optional anti-caking treatment for improved flow.
Private labeling and export documentation support.