mcpb

Names

[ CAS No. ]:
94-81-5

[ Name ]:
mcpb

[Synonym ]:
Thitrol
4-(4-chloro-o-tolyloxy)butyric acid
EINECS 202-365-3
4-(4-chloro-2-methylphenoxy)butanoic acid
Bexone
2M-4CM
MFCD00002820
Legumex
MCPB
Trifolex
Trotox
MCP-butyric

Chemical & Physical Properties

[ Density]:
1.23g/cm3

[ Boiling Point ]:
393.1ºC at 760mmHg

[ Melting Point ]:
99-100ºC

[ Molecular Formula ]:
C₁₁H₁₃ClO₃

[ Molecular Weight ]:
228.67200

[ Flash Point ]:
191.5ºC

[ Exact Mass ]:
228.05500

[ PSA ]:
46.53000

[ LogP ]:
2.89200

[ Index of Refraction ]:
1.536

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: ES8575000

CHEMICAL NAME :: Butyric acid, 4-((4-chloro-o-tolyl)oxy)-

CAS REGISTRY NUMBER :: 94-81-5

BEILSTEIN REFERENCE NO. :: 2215202

LAST UPDATED :: 199709

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C11-H13-Cl-O3

MOLECULAR WEIGHT :: 228.69

WISWESSER LINE NOTATION :: QV3OR DG B1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 680 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 800 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :: Gene conversion and mitotic recombination

TEST SYSTEM :: Yeast - Saccharomyces cerevisiae

DOSE/DURATION :: 13500 umol/L

REFERENCE :: IARCCD IARC Scientific Publications. (Geneva, Switzerland) No.1-26, 1971-78. For publisher information, see IAPUDO. Volume(issue)/page/year: 10,161,1974 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989

Safety Information

[ Symbol ]:

GHS09

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H410

[ Precautionary Statements ]:
P273-P501

[ Personal Protective Equipment ]:
Eyeshields;Gloves

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R50/53

[ Safety Phrases ]:
60-61

[ RIDADR ]:
UN3077 9/PG 3

[ WGK Germany ]:
3

[ RTECS ]:
ES8575000

[ HS Code ]:
2918990023

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2918990023

[ Summary ]:
2918990023 4-(4-chloro-2-methylphenoxy)butanoic acid。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:30.0%

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In the present study, the preparation of methyl esters of chlorophenoxy acids with trimethylsilyldiazomethane (TMSD) is reported. TMSD is a mild and safe alternative to the highly toxic, thermally lab...

Extraction and derivatization of polar herbicides for GC-MS analyses.

J. Sep. Sci. 31(16-17) , 3021-9, (2008)

A sample preparation procedure including a simultaneous microwave-assisted (MA) extraction and derivatization for the determination of chlorophenoxy acids in soil samples is presented. For a selective...

Phenoxy herbicides and soft-tissue sarcomas in female rice weeders. A population-based case-referent study.

Scand. J. Work. Environ. Health 13(1) , 9-17, (1987)

A population-based case-referent study was conducted in an area of northern Italy where rice growing is the predominant agricultural activity and phenoxy herbicides have been used since 1950. Manual r...