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Related CAS#:
94-74-6 3653-48-3
5221-16-9 1713-12-8
2698-38-6 2039-46-5
2436-73-9 6365-62-4
19480-43-4 1713-11-7

94-74-6

94-74-6 structure
94-74-6 structure
  • Name: MCPA
  • Chemical Name: (4-chloro-2-methylphenoxy)acetic acid
  • CAS Number: 94-74-6
  • Molecular Formula: C9H9ClO3
  • Molecular Weight: 200.619
  • Catalog: Chemical pesticide herbicide Other herbicides
  • Create Date: 2018-02-07 08:00:00
  • Modify Date: 2024-01-02 18:42:06
  • MCPA is a phenoxy herbicide, and widely used to control annual and perennial broad leaved weeds, including poppy, thistles and docks, in crops such as cereals, rice, linseed, flax, grassland and turf[1][2].
Name (4-chloro-2-methylphenoxy)acetic acid
Synonyms Acetic acid, (4-chloro-2-methylphenoxy)-
2M-4Ch
MCPA
metaxon
Weed-rhap
Chiptox
Agroxon
Zelan
(4-Chloro-2-methylphenoxy)acetic acid
cornox
EINECS 202-360-6
4-Chloro-o-tolyloxyacetic acid
phenoxic acid
MFCD00004306
Agroxone
2M-4Kh
Acetic acid, 2-(4-chloro-2-methylphenoxy)-
MCP
2-METHYL-4-CHLOROPHENOXYACETIC ACID
Basagran-M
Bordermaster
Description MCPA is a phenoxy herbicide, and widely used to control annual and perennial broad leaved weeds, including poppy, thistles and docks, in crops such as cereals, rice, linseed, flax, grassland and turf[1][2].
Related Catalog
References

[1]. Munira S, et, al. Sorption and desorption of glyphosate, MCPA and tetracycline and their mixtures in soil as influenced by phosphate. J Environ Sci Health B. 2017 Dec 2;52(12):887-895.

[2]. Kwiecien I, et, al. Biodegradable PBAT/PLA Blend with Bioactive MCPA-PHBV Conjugate Suppresses Weed Growth. Biomacromolecules. 2018 Feb 12;19(2):511-520.
Density 1.3±0.1 g/cm3
Boiling Point 327.0±27.0 °C at 760 mmHg
Melting Point 114-118 °C(lit.)
Molecular Formula C9H9ClO3
Molecular Weight 200.619
Flash Point 151.6±23.7 °C
Exact Mass 200.024017
PSA 46.53000
LogP 2.49
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.552

CHEMICAL IDENTIFICATION

RTECS NUMBER :
AG1575000
CHEMICAL NAME :
Acetic acid, ((4-chloro-o-tolyl)oxy)-
CAS REGISTRY NUMBER :
94-74-6
BEILSTEIN REFERENCE NO. :
2051752
LAST UPDATED :
199710
DATA ITEMS CITED :
35
MOLECULAR FORMULA :
C9-H9-Cl-O3
MOLECULAR WEIGHT :
200.63
WISWESSER LINE NOTATION :
QV1OR DG B1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
814 mg/kg
TOXIC EFFECTS :
Behavioral - coma Vascular - BP lowering not characterized in autonomic section
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
700 mg/kg
TOXIC EFFECTS :
Gastrointestinal - gastritis Behavioral - somnolence (general depressed activity) Liver - fatty liver degeneration
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1370 mg/m3/4H
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - ataxia Lungs, Thorax, or Respiration - dyspnea
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>1 gm/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 :
439 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
28 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 :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
28 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 :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>2 gm/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 - guinea pig
DOSE/DURATION :
700 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 :
Unreported
SPECIES OBSERVED :
Bird - quail
DOSE/DURATION :
377 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
14400 mg/kg/90D-C
TOXIC EFFECTS :
Behavioral - food intake (animal) Blood - changes in erythrocyte (RBC) count Nutritional and Gross Metabolic - weight loss or decreased weight gain
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2129 mg/kg/78W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Blood - leukemia
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
2 gm/kg
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
3 gm/kg
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1 gm/kg
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
TYPE OF TEST :
Sex chromosome loss and nondisjunction
TYPE OF TEST :
DNA inhibition

MUTATION DATA

TEST SYSTEM :
Rodent - hamster
DOSE/DURATION :
900 mg/kg/9D (Intermittent)
REFERENCE :
CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 5,703,1984 *** REVIEWS *** IARC Cancer Review:Human Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 41,357,1986 IARC Cancer Review:Animal No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 30,255,1983 TOXICOLOGY REVIEW DTTIAF Deutsche Tieraerztliche Wochenschrift. (Hanover, Fed. Rep. Ger.) V.1-77, 1893-1970. Volume(issue)/page/year: 80,485,1973 *** 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
Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Danger
Hazard Statements H225-H302-H312-H319-H332
Precautionary Statements P210-P280-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xn:Harmful;
Risk Phrases R22;R38;R41
Safety Phrases S26-S37-S39-S36-S16
RIDADR UN 2765
WGK Germany 2
RTECS AG1575000
HS Code 2918990022
HS Code 2918990022
Summary 2918990022 2-(4-chloro-2-methylphenoxy)acetic 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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title: CAS No. 94-74-6 | Chemsrc address: https://m.chemsrc.com/en/baike/830190.html

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