Calcium Fumarate NEW

Product Name: Calcium Fumarate
Synonyms: Calcium trans-butenedioate; Fumaric acid calcium salt
CAS No.:  19855-56-2

Molecular Formula: CaC?H?O?
Molecular Weight: ~156.14 g/mol
Chemical Nature: Calcium salt of fumaric acid
Appearance: White or nearly white crystalline powder, odorless

1. General Properties

• Elemental Calcium (dry basis): ~16–17%

• Solubility: Slightly soluble in water; more soluble in dilute acid

• pH (1% aqueous): ~6.0–8.0

• Bulk Density: ~0.6–0.9 g/mL (loose); ~0.9–1.2 g/mL (tapped)

• Loss on Drying: Low, typically ≤1%

• Melting / Decomposition: > 200 °C (decomposes)

2. Specifications by Grade

A. Industrial / Technical Grade

B. Food / Dietary Supplement Grade

3. Analytical Methods

• Assay & Elemental Calcium: Titration or ICP-OES/ICP-MS

• LOD / Moisture: Gravimetric (105 °C to constant weight)

• pH: 1% w/v aqueous suspension, 20–25 °C

• Heavy Metals: ICP-MS after acid digestion

• Microbiology: ISO or USP standard methods for food grade

4. Manufacturing Summary

• Process: Neutralization of fumaric acid with calcium base (e.g., Ca(OH)? or CaCO?) → crystallization → filtration → drying → milling and sieving

• Control: In-process pH, assay, particle size, and impurity monitoring

• Grades: Technical grade for industrial uses; food/dietary grade manufactured under HACCP / GMP with microbiological and heavy metal controls

5. Packaging & Storage

• Packaging:

• Industrial: 25 kg kraft bag with inner PE liner, or bulk FIBC

• Food grade: Multi-layer moisture-barrier bags with inner PE liner, 25 kg net

• Storage: Cool, dry area; humidity <60%; keep sealed to prevent moisture absorption

• Shelf Life: 24–36 months under recommended conditions; retest date indicated on label

6. Safety & Handling

• Hazards: Low toxicity, but dust may irritate eyes, skin, and respiratory tract

• PPE: Dust mask, goggles, gloves, protective clothing

• First Aid:

• Inhalation — fresh air

• Skin — wash with soap and water

• Eyes — rinse with water for several minutes

• Ingestion — rinse mouth, seek medical advice if large amounts are consumed

• Disposal: Dispose in accordance with local regulations; avoid release to environment

7. Applications

• Industrial: Calcium source in chemical syntheses, buffering agent

• Food/Nutraceutical: Calcium fortification in foods and beverages, dietary supplements (tablets, capsules, powders)

• Pharma: Excipient or active calcium source in formulations

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