Dicalcium Phosphate Anhydrous
Chemical Name
Calcium hydrogen phosphate anhydrous
CAS Number
7757-93-9
Molecular Formula
CaHO4P
Molecular Weight
136.06
Molecular Structure
Storage
Keep sealed and protected from light. Store in a cool, dry place.
Application
Used as a mineral supplement, excipient and flow agent in food, pharmaceuticals and dietary supplements.
Items
Specification
Appearance
White powder
Identification A
A white precipitate is formed
Identification B
A yellow precipitate of ammonium phosphomolybdate is formed
Solubility
Practically insoluble in water and in ethanol (96 percent). It dissolves in dilute hydrochloric acid and in dilute nitric acid
Assay
97.5-102.5%
Loss on Ignition
6.6-8.7%
Acid Insoluble Substances
≤ 0.2%
Fluoride
≤ 0.005%
Chloride
≤ 0.25%
Sulfate
≤ 0.5%
Carbonate
No effervescence occurs
Barium
No turbidity is produced within 10 min
Lead
≤ 2.0 mg/kg
Arsenic
≤ 3.0 mg/kg
Iron
≤ 400 mg/kg
Mercury
≤ 0.5 mg/kg
Cadmium
≤ 1.0 mg/kg
Heavy Metals (as Pb)
≤ 0.003%
Total Plate Count
≤ 1000 CFU/g
Yeast and Mold
≤ 100 CFU/g
E. coli
≤ 10 CFU/g
Shigella
Absent
S. aureus