Phosphorous acid

Modify Date: 2025-08-21 10:39:35

Name	phosphonic acid
Synonym	More Synonyms

Density	1.651 g/mL at 25 °C(lit.)
Boiling Point	200 °C
Melting Point	73 °C
Molecular Formula	H₃O₃P
Molecular Weight	81.996
Flash Point	200°C
Exact Mass	81.981979
PSA	81.00000
LogP	-2.47
Stability	Stable. Incompatible with strong bases. Hygroscopic.
Water Solubility	SOLUBLE

Phosphorous acid MSDS(Chinese)

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 56(4),24,1991

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TOVEFN Toksikologicheskii Vestnik. (18-20 Vadkovskii per. Moscow, 101479, Russia) History Unknown Volume(issue)/page/year: (6),38,1995 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TOXIC EFFECTS :: Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - monoamine oxidase

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 56(4),24,1991 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - T0822 No. of Facilities: 361 (estimated) No. of Industries: 5 No. of Occupations: 6 No. of Employees: 650 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T0822 No. of Facilities: 228 (estimated) No. of Industries: 3 No. of Occupations: 7 No. of Employees: 2710 (estimated) No. of Female Employees: 14 (estimated)

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