Calcium chloride dihydrate

InChI key

LLSDKQJKOVVTOJ-UHFFFAOYSA-L

InChI

1S/Ca.2ClH.2H2O/h;2*1H;2*1H2/q+2;;;;/p-2

SMILES string

O.O.Cl[Ca]Cl

grade

ACS reagent, puriss. p.a.

agency

reag. Ph. Eur.

vapor pressure

0.01 hPa ( 20 °C)

assay

≥99%

form

crystalline

impurities

≤0.003% oxidizing substances (as NO₃), ≤0.005% ammonium (NH₄), ≤0.01% insoluble in water, ≤5 ppm heavy metals (by ICP)

pH

4.5-8.0 (25 °C, 5%)

mp

176 °C (dec.) (lit.)

anion traces

nitrate (NO₃^-): ≤20 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg

cation traces

Al: ≤1 mg/kg, As: ≤1 mg/kg, Ba: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤50 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤50 mg/kg, Na: ≤50 mg/kg, Ni: ≤50 mg/kg, Pb: ≤5 mg/kg, Sr: ≤100 mg/kg, Zn: ≤5 mg/kg

Quality Level

200