Benzenepropanoic acid, a,4-dichloro-, methyl ester cas no:14437-17-3

NameBenzenepropanoic acid, a,4-dichloro-, methyl ester
CAS14437-17-3
SynonymsHydrocinnamicacid, p,a-dichloro-, methyl ester (8CI);2-Chloro-3-(4-chlorophenyl)propionic acid methyl ester; B 57-10; BAY 70533;Bayer 70533; Bidisin; Bidisin F; Bidisin Forte; Chlorfenprop-methyl;Chlorphenprop-methyl; Fatex; Methachlorphenprop; Methyl2-chloro-3-(4-chlorophenyl)propionate; Methyl2-chloro-3-(p-chlorophenyl)propionate; Methyl 3-(4-chlorophenyl)-2-chloropropionate;Methyl 3-(p-chlorophenyl)-2-chloropropionate; Methyl a-chloro-b-(p-chlorophenyl)propionate
EINECS(EC#)238-413-5
Molecular FormulaC10H10 Cl2 O2
Molecular Weight233.10

refractive index1.532

Hazard Xn: Harmful;N: Dangerous for the environment;
Risk 21/22-50/53
Safety

Moderately toxic by ingestion and skin contact. An herbicide. See also ESTERS. When heated to decomposition it emits toxic fumes of Cl⁻.
Hazard Codes of Chlorfenprop-methyl (CAS NO.14437-17-3): Xn,N
Risk Statements: 21/22-50/53 
R21/22:Harmful in contact with skin and if swallowed. 
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 36/37-60-61 
S36/37:Wear suitable protective clothing and gloves. 
S60:This material and its container must be disposed of as hazardous waste. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
cat	LD50	oral	1gm/kg (1000mg/kg)		"Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A085, Pg. 1983,
guinea pig	LD50	oral	500mg/kg (500mg/kg)		"Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969Vol. 5, Pg. 44, 1976.
mouse	LD50	oral	1gm/kg (1000mg/kg)		"Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976Vol. -, Pg. -, 1971/1976.
rabbit	LD50	oral	500mg/kg (500mg/kg)		"Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969Vol. 5, Pg. 44, 1976.
rabbit	LD50	skin	756mg/kg (756mg/kg)		World Review of Pest Control. Vol. 9, Pg. 119, 1970.
rat	LC50	inhalation	> 1300mg/m3/4H (1300mg/m3)		"Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A085, Pg. 1983,
rat	LD50	oral	1072mg/kg (1072mg/kg)		World Review of Pest Control. Vol. 9, Pg. 119, 1970.
rat	LD50	skin	> 1273mg/kg (1273mg/kg)		Farm Chemicals Handbook. Vol. -, Pg. C44, 1991.