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Phosphorous Acid

Phosphorous Acid

CAS Number: 10294-56-1

Molecular Formula: H3PO3

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About Phosphorous Acid

Phosphonic acid (CAS 13598-36-2) serves as a critical reducing agent and precursor in the API intermediates market, where the demand for high purity fine chemicals reaching 99% is essential for synthesizing complex organophosphorus compounds and specialized pharmaceutical building blocks. Orthophosphorous acid is witne...

Phosphorous Acid Specifications

CAS Number
10294-56-1
Molecular Formula
H3PO3
Molecular Weight
82.00 g/mol
IUPAC Name
Phosphonic acid
Canonical SMILES
OP(O)O
InChI Key
OJMIONKXNSYLSR-UHFFFAOYSA-N
InChI
InChI=1S/H3O3P/c1-4(2)3/h4H,(H2,1,2,3)
PubChem CID
107909
EINECS Number
237-066-7
MDL Number
MFCD00137258
HSN No
28111990

Phosphorous Acid FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

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US SDS · COA · TDS · Specification sheet

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California Prop 65*

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