Product Name

  • Name

    2-Methyl-4-chlorophenoxyacetic acid

  • EINECS 202-360-6
  • CAS No. 94-74-6
  • Article Data81
  • CAS DataBase
  • Density 1.313 g/cm3
  • Solubility Practically insoluble in water
  • Melting Point 114-118 °C(lit.)
  • Formula C9H9ClO3
  • Boiling Point 327 °C at 760 mmHg
  • Molecular Weight 200.622
  • Flash Point 151.6 °C
  • Transport Information UN 2765
  • Appearance white powder
  • Safety 26-37-39-36-16
  • Risk Codes 22-38-41-36-20/21/22-11
  • Molecular Structure Molecular Structure of 94-74-6 (2-Methyl-4-chlorophenoxyacetic acid)
  • Hazard Symbols HarmfulXn,FlammableF
  • Synonyms Aceticacid, (4-chloro-2-methylphenoxy)- (9CI);Acetic acid, (4-chloro-o-toloxy)-(4CI);Acetic acid, [(4-chloro-o-tolyl)oxy]- (8CI);(2-Methyl-4-chlorophenoxy)acetic acid;(4-Chloro-2-methylphenoxy)acetic acid;2-(4-Chloro-2-methylphenoxy)acetic acid;2M-4Ch;2M2Kh;2M4Kh;Agritox50;Agroxon;Agroxone;Anicon M;Anicon kombi;B-Selektonon M;Chwastox30;Chwastox Extra;Dicopur M;Emcepan;Hedapur M 52;Hedarex M;Hedonal M;Herbicide M;Hormoneste;Leuna M;MCP;MCP (herbicide);MCPA;MCPA (acid);Mecaphar;Mephanac;Metaxon;Methoxone;NSC 2351;Netazol;Okultin M;Rhonox;U46 M-fluid;[(4-Chloro-o-tolyl)oxy]acetic acid;
  • PSA 46.53000
  • LogP 2.11180

2-Methyl-4-chlorophenoxyacetic acid Chemical Properties

(4-Chloro-2-methylphenoxy)acetic acid（94-74-6）exits as  white crystalline solid. It is soluble in ether and ethanol, mostly insoluble in water.
Molecular Structure:
CAS Number: 94-74-6
Molecular Formula: C9H9ClO3
Molecular Weight: 200.63
EINECS: 202-360-6
Density: 1.313 g/cm3
Melting Point: 114-118 ℃
Boiling Point: 327 ℃ at 760 mmHg
Flash Point: 151.6 ℃
Other Name: 2-(4-chloro-2-methylphenoxy)acetic acid;4-chloro-o-cresoxyacetic acid;2-methyl-4-chlorophenoxyacetic acid

2-Methyl-4-chlorophenoxyacetic acid Uses

(4-Chloro-2-methylphenoxy)acetic acid（94-74-6）is available for the preparation of hormone-type herbicides. (4-Chloro-2-methylphenoxy)acetic acid（94-74-6）is used to control in broad-leaved grass and koe-leria cristata division.  

2-Methyl-4-chlorophenoxyacetic acid Toxicity Data With Reference

1.   

sln-dmg-orl 5 mmol/L

   EXPEAM    Experientia. 30 (1974),621.
2.   

mmo-smc 30 µmol/L/3H

   MUREAV    Mutation Research. 60 (1979),291.
3.   

dns-mus-orl 200 mg/kg

   MUREAV    Mutation Research. 55 (1978),197.
4.   

hma-mus/sat 200 mg/kg

   ECBUDQ    Ecological Bulletins. 27 (1978),182.
5.   

sce-ham:ovr 10 µmol/L/1H

   CRNGDP    Carcinogenesis. 5 (1984),703.
6.   

orl-mus TDLo:1 g/kg (6-15D preg):TER

   ARZNAD    Arzneimittel-Forschung. Drug Research. 33 (1983),1479.
7.   

orl-man LDLo:814 mg/kg:CNS,CVS

   BMJOAE    British Medical Journal. 2 (1965),629.
8.   

orl-rat LD50:700 mg/kg

   AJVRAH    American Journal of Veterinary Research. 15 (1954),622.
9.   

orl-mus LD50:439 mg/kg

   RPZHAW    Roczniki Panstwowego Zakladu Higieny. 31 (1980),373.
10.   

scu-mus LDLo:28 mg/kg

   PCOC**    Pesticide Chemicals Official Compendium ,Association of the American Pesticide Control Officials, Inc.Topeka, KS.: 1966,711.
 

2-Methyl-4-chlorophenoxyacetic acid Consensus Reports

IARC Cancer Review: Group 2B IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 , 1987,p. 156.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Inadequate Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 30 , 1983,p. 255.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human Inadequate Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 30 , 1983,p. 255.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human Limited Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 41 , 1986,p. 357.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

2-Methyl-4-chlorophenoxyacetic acid Safety Profile

Suspected carcinogen. Poison by subcutaneous and intravenous routes. Moderately toxic by ingestion. Human systemic effects by ingestion: blood pressure decrease and coma. Experimental teratogenic and reproductive effects. Mutation data reported. An herbicide. When heated to decomposition it emits toxic fumes of Cl−.
Hazard Codes: Xn,F
Risk Statements: 22-38-41-36-20/21/22-11
22: Harmful if swallowed
38: Irritating to the skin
41: Risk of serious damage to eyes
36: Irritating to the eyes
20/21/22: Harmful by inhalation, in contact with skin and if swallowed
11: Highly Flammable
Safety Statements: 26-37-39-36-16
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
37: Wear suitable gloves
39: Wear eye/face protection
36: Wear suitable protective clothing
16: Keep away from sources of ignition - No smoking
RIDADR  UN: 2765
WGK Germany: 2
RTECS  AG: 1575000

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