04408
Calcium hypophosphite
puriss., 98-100.5%
Synonym(s):
Calcium phosphinate
InChI key
LITFOGPYONJRNO-UHFFFAOYSA-L
InChI
1S/Ca.2HO2P/c;2*1-3-2/h;2*(H,1,2)/q+2;;/p-2
SMILES string
[Ca++].[O-][PH2]=O.[O-][PH2]=O
grade
puriss.
assay
98-100.5%
impurities
acidity or alcalinity, in accordance, residual solvents, complies, ≤0.001% heavy metals (as Pb), ≤0.1 mmol/g free acid
loss
≤0.5% loss on drying, 105 °C, 1 h
anion traces
chloride (Cl-): ≤200 mg/kg, phosphate, phosphite (as PO43-): in accordance, sulfate (SO42-): ≤200 mg/kg
cation traces
As: ≤2 mg/kg, Ba:, in accordance, Fe: ≤20 mg/kg
suitability
complies for appearance of solution
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