Phosphorous acid,tris(2-methylphenyl) ester cas no:2622-08-4

NamePhosphorous acid,tris(2-methylphenyl) ester
CAS2622-08-4
SynonymsPhosphorousacid, tri-o-tolyl ester (8CI); o-Tolyl phosphite ((C7H7O)3P) (7CI); o-Tolylphosphite (6CI); Tri-o-cresyl phosphite; Tri-o-tolyl phosphite;Tris(2-methylphenyl) phosphite; Tris(o-methylphenyl) phosphite;Tris(o-tolyloxy)phosphine
EINECS(EC#)220-068-7
Molecular FormulaC21H21 O3 P
Molecular Weight352.3679

storage tempRefrigerator
Sensitive Moisture Sensitive

Risk 36/37/38
Safety

Poison by subcutaneous route. When heated to decomposition it emits toxic fumes of PO_x. See also ESTERS.
Risk Statements: 36/37/38 
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36: Wear suitable protective clothing.

1.		scu-rat LDLo:10 mg/kg		JPETAB    Journal of Pharmacology and Experimental Therapeutics. 49 (1933),78.
2.		scu-cat LD50:100 mg/kg		14CYAT    Industrial Hygiene and Toxicology. 2 (1963),1918.