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Substance Name: Phosphorous acid
RN: 13598-36-2
UNII: 35V6A8JW8E
InChIKey: ABLZXFCXXLZCGV-UHFFFAOYSA-N

Molecular Formula

  • H3-O3-P

Molecular Weight

  • 81.9947
 
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Names and Synonyms

Name of Substance

  • Phosphonic acid
  • Phosphorous acid

Synonyms

  • Dihydroxyphosphine oxide
  • EC 237-066-7
  • EINECS 237-066-7
  • Orthophosphorus acid
  • Phosphorous acid
  • Phosphorus trihydroxide
  • Trihydroxyphosphine
  • UNII-35V6A8JW8E

Systematic Name

  • Phosphonic acid

Superlist Name

  • Phosphorous acid

Registry Numbers

CAS Registry Number

  • 13598-36-2

FDA UNII

  • 35V6A8JW8E

Other Registry Number

  • 1135443-40-1

System Generated Number

  • 0013598362

Structure Descriptors

InChI

1S/H3O3P/c1-4(2)3/h4H,(H2,1,2,3)

InChIKey

ABLZXFCXXLZCGV-UHFFFAOYSA-N

Smiles

OP(=O)O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 1700mg/kg (1700mg/kg)   Toksikologicheskii Vestnik. Vol. (6), Pg. 38, 1995.
rat LD50 oral 1895mg/kg (1895mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 56(4), Pg. 24, 1991.