Name: Hypophosphorous acid
Other name: hypophosphorous acid
Chemical formula: H3PO2
Molecular weight: 65.99
CAS registration number: 6303-21-5
EINECS accession number: 228-601-5
Closeness: 1.439
Role and use
1. Strong reducing agent, used to prepare hypophosphite such as sodium hypophosphite and calcium hypophosphite.
2. Used in electroplating bath, pharmaceutical and general reagents.
3. It is used for the reduction of diazonium salt (removal of diazonium group), reduction and elimination of halogen on the aromatic ring of polynitro compounds.
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