Butanoic acid,4-(4-chloro-2-methylphenoxy)- cas no:94-81-5

NameButanoic acid,4-(4-chloro-2-methylphenoxy)-
CAS94-81-5
SynonymsButyricacid, 4-[(4-chloro-o-tolyl)oxy]- (8CI); (4-Chloro-o-tolyloxy)butyric acid;2,4-MCPB; 2-Methyl-4-chlorophenoxy-g-butyrate; 2-Methyl-4-chlorophenoxy-g-butyric acid; 2-Methyl-4-chlorophenoxybutyric acid;2M4KhM; 4-(2-Methyl-4-chlorophenoxy)butyric acid;4-(4-Chloro-2-methylphenoxy)butanoic acid; 4-(4-Chloro-2-methylphenoxy)butyricacid; 4-Chloro-2-methylphenoxybutyric acid; 4MCPB; Bexone; CMPB; MCPB; NSC102796; Thitrol; Trifolex; U46 MCPB; g-MCPB
EINECS(EC#)202-365-3
Molecular FormulaC11H13 Cl O3
Molecular Weight228.69

refractive index1.536
storage temp0-6°C

Hazard Toxic by ingestion.
Risk R50/53
Safety

Moderately toxic by ingestion. Mutation data reported. An herbicide. When heated to decomposition it emits toxic fumes of Cl⁻.
Hazard Codes: N
Risk Statements: 50/53
R50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements: 60-61 
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
RIDADR: UN3077 9/PG 3
RTECS: ES8575000

1.		sln-dmg-orl 4400 µmol/L		EXPEAM    Experientia. 30 (1974),621.
2.		mrc-smc 13,500 µmol/L		IARCCD    IARC Scientific Publications. 10 (1974),161.
3.		orl-rat LD50:680 mg/kg		WRPCA2    World Review of Pest Control. 4 (1965),36.
4.		orl-mus LD50:800 mg/kg		FMCHA2    Farm Chemicals Handbook .(Meister Publishing,Willoughy, OH.: ),1983,C43.