BARIUM PHOSPHITE
- CAS NO.：26946-37-2
- Empirical Formula: Ba.H3O3P
- Molecular Weight: 219.32
- MDL number: MFCD00046183
- EINECS: 248-126-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 01:56:19
What is BARIUM PHOSPHITE?
Description
Barium phosphite can have the molecular formula of
BaHPO3 or Ba(H2PO3)2 with molecular weights of
216.3021 and 296.2739 g/mol, respectively. It is the latter
that appears when a solution of phosphorous acid is
reacted with the carbonate:
BaCO3 +H3PO3 ? Ba(H2PO3)2 +H2O + CO2
Preparation
Barium phosphite is soluble in water so that a vacuum
evaporation is needed to form the hemihydrate, Ba(H2-
PO3)2·0.5H2O. It can also be prepared by the action of
ammonium phosphite on barium chloride:
BaCl2 (aq) + 2NH4HPO3 (aq) ? Ba(H2PO3)2·0.5H2O
+ 2NH4Cl (aq).
Safety information for BARIUM PHOSPHITE
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