Phosphonic acid,monobutyl ester cas no:16456-56-7

NamePhosphonic acid,monobutyl ester
CAS16456-56-7
SynonymsButylphosphonate ((BuO)(OH)HPO) (7CI); Butyl hydrogen phosphonate; Monobutylphosphite; Phosphorous acid, butyl ester
EINECS(EC#)240-508-1
Molecular FormulaC4H11 O3 P
Molecular Weight138.12

Safety

Moderately toxic by an unspecified route. When heated to decomposition it emits toxic fumes of PO_x.

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	oral	1640mg/kg (1640mg/kg)	Behavioral: Somnolence (General Depressed Activity)	AMA Archives of Industrial Health. Vol. 11, Pg. 487, 1955.
rat	LD	oral	> 250mg/kg (250mg/kg)		National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 38, 1953.