Calcium Acetate
Calcium Acetate (CAS No. 62-54-4) is a multifunctional calcium salt widely used as a calcium source, buffering agent, and processing aid in food, pharmaceutical, and industrial applications. It is valued for its high solubility, good calcium bioavailability, and stable performance in a wide range of formulations.
Our calcium acetate is available in Food, Pharmaceutical, and Industrial grades, offering consistent quality, well-defined specifications, and full batch traceability to support reliable long-term supply.
The product is supplied as a white free-flowing powder or granules, is odorless, and remains chemically stable under normal processing and storage conditions. It performs effectively in neutral to slightly acidic systems, contributing to product stability, texture control, and nutritional fortification.
Technical Support Ensure compliance and safety with our comprehensive product documentation.
- TDS: Detailed specifications & storage guidelines.
- MSDS: GHS-compliant safety & handling data.
1. Product Overview
Calcium Acetate (CAS No. 62-54-4) is a multifunctional calcium salt of acetic acid, widely used as a food additive, calcium fortificant, buffering agent, chelating agent, and processing aid.
Thanks to its excellent water solubility, buffering capacity, and high calcium bioavailability, it plays an important role in food, pharmaceutical, and industrial applications.
We supply high-purity calcium acetate in multiple grades, including Food Grade, Pharmaceutical Grade, and Industrial Grade. Our products are manufactured under strict quality control systems, with full batch traceability and complete technical documentation.
All grades comply with relevant international standards such as Chinese GB, FCC (Food Chemicals Codex), USP-NF, EP, and JECFA requirements.
Key Advantages
- Multiple grades available: Food / Pharmaceutical / Industrial
- Consistent purity and performance with tightly controlled specifications
- Full documentation: TDS, MSDS, and batch-specific COA
- Stable inventory supporting bulk orders and long-term cooperation
- Export-oriented supply with experience in global regulatory compliance
2. Appearance & Characteristics
- Appearance: White to off-white free-flowing powder or granular solid
- Odor: Odorless
- Physical Form: Fine powder or spherical granules (low-dust options available)
Key Features
- Non-hygroscopic under proper storage conditions (may absorb moisture if exposed)
- Excellent flowability and dispersibility in aqueous systems
- Chemically stable during normal handling and processing
Its high-purity crystalline structure ensures consistent performance in sensitive applications such as infant nutrition, bakery products, and pharmaceutical formulations.
3. Basic Chemical & Physical Properties
| Parameter | Value |
| CAS Number | 62-54-4 (anhydrous); 5743-26-0 (monohydrate) |
| Molecular Formula | Ca(C₂H₃O₂)₂ (anhydrous); C₄H₆CaO₄·H₂O (monohydrate) |
| Molecular Weight | 158.17 g/mol (anhydrous) |
| Appearance | White powder or granules |
| Solubility in Water | Freely soluble (approx. 37 g/100 mL at 20 °C) |
| Solubility in Ethanol | Slightly soluble |
| pH (5–10% aqueous solution) | 6.0 – 8.0 |
| Decomposition Temperature | Approx. 160 °C |
| Loss on Drying | ≤ 7.0% (anhydrous basis) |
Note: Calcium acetate functions primarily as a buffering agent, firming agent, and calcium source in neutral to slightly acidic systems. Unlike benzoic acid or propionates, it is not used as a preservative.
4. Quality Grades & Technical Specifications
▶ Food Grade Calcium Acetate(GB 1903.15-2016 / FCC / E263)
| Parameter | Specification |
| Assay (dry basis) | 98.0% – 102.0% |
| pH (10% solution) | 6.0 – 8.0 |
| Loss on Drying | ≤ 7.0% |
| Chlorides (as Cl⁻) | ≤ 0.05% |
| Sulfates (as SO₄²⁻) | ≤ 0.10% |
| Fluoride | ≤ 0.005% |
| Heavy Metals (as Pb) | ≤ 2 mg/kg |
| Arsenic (As) | ≤ 2 mg/kg |
| Water-Insoluble Matter | ≤ 0.30% |
Recommended Uses
- Calcium fortification in beverages, cereals, and dairy alternatives
- Firming agent in canned vegetables, fruit gels, jams, and jellies
- Buffer and dough conditioner in baked goods
- Yeast nutrient in brewing and fermentation
▶ Pharmaceutical Grade Calcium Acetate(USP-NF / EP)
| Parameter | Specification |
| Assay | 99.0% – 100.5% |
| pH (1:20 solution) | 6.3 – 9.6 |
| Loss on Drying | ≤ 7.0% |
| Heavy Metals (as Pb) | ≤ 0.0025% |
| Arsenic | ≤ 3 ppm |
| Barium | ≤ 50 ppm |
| Aluminum | ≤ 1 ppm |
| Strontium | ≤ 500 ppm |
Typical Applications
- Phosphate binder for patients with chronic kidney disease
- Calcium source in oral solid dosage forms
- Excipient for effervescent and chewable tablets
▶ Industrial Grade Calcium Acetate
| Parameter | Specification |
| Assay | ≥ 98.0% |
| Moisture | ≤ 7.0% |
| Impurities | Controlled per customer requirements |
Applications
- Chemical synthesis and catalyst precursors
- Additive in construction materials
- Phosphate removal in wastewater treatment
5. Main Applications
Food Industry
- Nutritional Fortification:Highly bioavailable calcium source
- Texture Modification:Works synergistically with pectin in gels
- Dough Conditioning:Supports yeast activity and crumb structure
- pH Control:Stabilizes acidity in processed foods
Pharmaceutical Applications
- Clinically used phosphate binder
- Calcium supplement in multivitamin formulations
Industrial & Environmental Uses
- Intermediate for acetate salts and catalysts
- Effective phosphorus precipitant in water treatment
One ingredient, multiple solutions — simplifying sourcing while meeting diverse functional needs.
6. Physical Form Options
| Form | Features | Recommended Use |
| Powder | Fine particle size, rapid dissolution | R&D, lab-scale trials, precise dosing |
| Granules | Low dust, free-flowing, non-caking | Automated feeding in large-scale production |
7. Packaging & Storage
Standard Packaging
- 25 kg net per bag
- Inner: Food-grade PE liner
- Outer: PP woven bag or kraft paper composite bag
Optional Packaging
- 500–1000 kg FIBC (ton bags)
- Drums or bulk containers upon request
Storage Conditions
- Store in a cool, dry, and well-ventilated place
- Keep containers tightly closed
- Avoid contact with strong acids or oxidizing agents
Shelf Life: 24 months under proper storage conditions.
8. Safety & Regulatory Compliance
- FAO/WHO (JECFA): Approved food additive (INS 263)
- EU: Authorized as E263
- S. FDA: GRAS (21 CFR §184.1185)
- China: Permitted under GB 2760 and GB 14880
- IARC: Not classifiable as carcinogenic (Group 3)
- GHS: Non-hazardous; standard dust control recommended
When used in accordance with regulations, calcium acetate is considered safe for food, pharmaceutical, and industrial use.
9. Quality Assurance & Technical Support
- Full analytical testing performed on every batch
- Specifications aligned with TDS and pharmacopeial standards
- COA, TDS, and MSDS provided with each shipment
- Batch-specific documentation available upon request
- Technical support for formulation, application, and compliance
10. Contact Us
Calcium acetate is supplied as a bulk raw material and is not available for online ordering.
Please contact us to obtain:
- Latest pricing and lead times
- Product samples (up to 500 g)
- Batch-specific COA and compliance documents
Our experienced sales and technical team is ready to provide reliable, transparent, and professional support for your sourcing and formulation needs.
