Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Methyl-4-chlorophenoxyacetic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: (4-chloro-2-methylphenoxy)acetic acid
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

94-74-6

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: 2026-06-30 10:37:58
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	4-CHLORO-2-METHYLCHLOROPHENOXYACETICACID hedexm Chwastox Kilsem4k-2m banvelm chwastoxextra Kilsem MFCD00004306 b-selektononm (4-CHLORO-O-TOLYOXY)ACETICACID hedapurm52 Hornotuho Kwas 4-chloro-2-metylofenoksyoctowy 2M-4Kh Herbicide M ethanoicacid,(4-chloro-2-methylphenoxy) Legumex db banlenlus Chloro-(O-tolyloxy)acetic acid basaan-m Krezone 2-Methyl-4-chlorphenoxyessigsure EINECS 202-360-6 Fmon MA 50 Hedonal M 4-Chloro-o-tolyloxyacetic acid phenoxic acid legumexdb Hedapur Cornox-M Chwastox F Basagran-M Atlas MA Chwastox 30 metaxon Chiptox herbicidem Agroxon FLUID 4 B-Selektonon M Leuna M CMP acetate Chafer MA Dicotex Hedex M Zelan (4-Chloro-2-methylphenoxy)acetic acid cornox Dikotex BH MA 75 Dikotes Agroxone brominalm&plus kyselina4-chlor-2-methylfenoxyoctova Kyselina 4-chlor-2-methylfenoxyoctova Campbell's MA 25, 50 2M-4Ch Chloro-(O-cresoxy)acetic acid Weed-rhap chwastox30 BH MA Brominal M & plus Hormotuho bhma kwas4-chloro-2-metylofenoksyoctowy Emcan FBC MA Dow Mamine weed killer MCP 2-METHYL-4-CHLOROPHENOXYACETIC ACID Cekherbex Bordermaster hedonalm

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	Research Areas >> Others Signaling Pathways >> Others >> Others
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
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

Precursor 10
1878-49-5 104-94-9 625-36-5 1570-64-5
79-11-8 2698-38-6 7399-57-7 52106-86-2
105-36-2 7553-56-2
DownStream 9
95-71-6 553-97-9 95-48-7 488-17-5
2698-38-6 1878-49-5 1570-65-6 1570-64-5
57117-31-4

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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