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Phosphorous acid cas no:13598-36-2

Synonyms: Orthophosphorous acid; Phosphorousacidcrystalline; Phosphonic acid

Identification
NamePhosphorous acid
CAS13598-36-2
SynonymsOrthophosphorous acid; Phosphorousacidcrystalline; Phosphonic acid
EINECS(EC#)237-066-7
Molecular FormulaH3PO3
Molecular Weight82
Chemical Properties
Appearancewhite crystalline solid
storage temp0-6°C
Sensitive Air Sensitive & Hygroscopic
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass8
Safety Data

Hazard C:Corrosive
Risk R22;R35
Safety

Hazard Codes:?CorrosiveC
Risk Statements: 22-35?
R22: Harmful if swallowed
R35: Causes severe burns
Safety Statements: 26-36/37/39-45?
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 2834 8/PG 3
WGK Germany: 1
RTECS: SZ6400000
F: 3
HazardClass: 8
PackingGroup: III


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.

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