Phosphorous acid
Properties
- Molecular formula
- PH3O3
- Molar mass
- 81.99 g/mol
- Exact mass
- 81.9820 Da
- Melting point
- 73 °C
- logP
- -0.64Crippen estimate
- Polar surface area
- 57.5 Ų
- H-bond donors / acceptors
- 2 / 1
- Rotatable bonds
- 0
Hazards
Danger
- H302 Harmful if swallowedAcute toxicity, oral
- H314 Causes severe skin burns and eye damageSkin corrosion/irritation
Harmonised EU classification (CLP Annex VI, index 015-157-00-0[1]), via PubChem.
Precautionary statements
P260, P264, P270, P280, P301+P317, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P330, P363, P405, P501
Identifiers
CAS number
13598-36-2SMILES
O=[PH](O)OInChIKey
ABLZXFCXXLZCGV-UHFFFAOYSA-NInChI
InChI=1S/H3O3P/c1-4(2)3/h4H,(H2,1,2,3)Characterization data
Calculated from the structure, in the form journals print them.
¹H NMR
Predicted ¹H NMR (400 MHz, CDCl₃) δ 11.50 (br s, 2H), 4.00 (br s, 1H).¹³C NMR
Predicted ¹³C NMR (101 MHz, CDCl₃) δ .[M + H]+
[M + H]+ Calcd for H4O3P 82.9893[M + Na]+
[M + Na]+ Calcd for H3NaO3P 104.9712[M − H]−
[M − H]− Calcd for H2O3P 80.9747Weigh it out
Type any one amount. The others follow from the molar mass.
Names and synonyms
2 names
- Phosphonic acid
- Dihydroxyphosphine oxide
Work with Phosphorous acid
Similar compounds
Tanimoto similarity of circular fingerprints over the whole catalogue.