Calcium phosphate dibasic dihydrate
SIGALD/04231 - puriss., meets analytical specification of Ph. Eur., BP, USP, 98-102.5%
Synonym: Calcium hydrogen phosphate dihydrate
CAS Number: 7789-77-7
Empirical Formula (Hill Notation): HCaO4P · 2H2O
Molecular Weight: 172.09
EC Number: 231-826-1
MDL Number: MFCD00149621
Linear Formula: CaHPO4 · 2H2O
Product Type: Chemical
anion traces | carbonate (CO32-): in accordance |
chloride (Cl-): ≤200 mg/kg | |
fluoride (F-): ≤50 mg/kg | |
sulfate (SO42-): ≤3000 mg/kg | |
assay | 98-102.5% |
cation traces | As: ≤1 mg/kg |
Ba:, in accordance (Ph Eur) | |
Ba:, in accordance (USP) | |
Fe: ≤300 mg/kg | |
form | powder |
grade | puriss. |
impurities | organic volatile impurities, complies |
residual solvents, complies | |
≤0.003% heavy metals (as Pb) | |
≤0.1% insoluble in HCl | |
InChI | 1S/Ca.H3O4P.2H2O/c;1-5(2, |
InChI key | XAAHAAMILDNBPS-UHFFFAOYSA |
loss | 24.5-26.5% loss on ignition, 800 °C |
quality | meets analytical specification of Ph. Eur., BP, USP |
Quality Level | 200 ![]() |
SMILES string | O.O.[Ca++].OP([O-])([O-]) |
Application: |
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Hazard Codes | Xi |
Risk Statements | 36/37/38 |
Safety Statements | 26-36 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | 98-102.5% |
UNSPSC | 12352300 |