10294-56-1

Name Phosphorous acid
CAS 10294-56-1
EINECS(EC#) 233-663-1
Molecular Formula H3PO3
Molecular Weight 82
MOL File 10294-56-1.mol
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Chemical Properties

pka 2.22±0.10(Predicted)
InChI InChI=1S/H3O3P/c1-4(2)3/h1-3H
InChIKey OJMIONKXNSYLSR-UHFFFAOYSA-N
SMILES P(O)(O)O
CAS DataBase Reference 10294-56-1
NIST Chemistry Reference H3PO3(10294-56-1)
EPA Substance Registry System Phosphorous acid(10294-56-1)

Safety Data

Symbol(GHS)  Exclamation Mark (GHS07)Corrosion (GHS05)
GHS07,GHS05
Signal word  Danger
Hazard statements  H302-H314
Precautionary statements  P264-P270-P301+P312-P330-P501-P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501
Hazard Codes  Xn,C
Risk Statements 
Safety Statements 
RIDADR  UN 2834
TSCA  TSCA listed
HazardClass  8
PackingGroup  III

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Hazard Information

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