Product Name

  • Name

    2-(4-Chloro-2-methylphenoxy)propanoic acid

  • EINECS 202-264-4
  • CAS No. 93-65-2
  • Article Data19
  • CAS DataBase
  • Density 1.265g/cm3
  • Solubility 734 mg l-1
  • Melting Point 88-90°C
  • Formula C10H11 Cl O3
  • Boiling Point 331.9°C at 760 mmHg
  • Molecular Weight 214.649
  • Flash Point 154.5°C
  • Transport Information
  • Appearance Colorless crystals.
  • Safety Suspected carcinogen. Poison by ingestion. Moderately toxic by skin contact and intraperitoneal routes. Experimental teratogenic and reproductive effects. Mutation data reported. An herbicide. When heated to decomposition it emits toxic fumes of Cl−.
  • Risk Codes R22;R38;R41;
  • Molecular Structure Molecular Structure of 93-65-2 (2-(4-Chloro-2-methylphenoxy)propanoic acid)
  • Hazard Symbols Toxic by ingestion and inhalation, irritant to skin and eyes.
  • Synonyms Propionicacid, 2-[(4-chloro-o-tolyl)oxy]- (6CI,8CI); (?à)-2-(4-Chloro-2-methylphenoxy)propanoic acid; (?à)-2-(4-Chloro-2-methylphenoxy)propionicacid; (?à)-Mecoprop;2-(2-Methyl-4-chlorophenoxy)propanoic acid;2-(2-Methyl-4-chlorophenoxy)propionic acid;2-(4-Chloro-2-methylphenoxy)propionic acid; 2-(4-Chloro-o-tolyloxy)propionicacid; 2-(p-Chloro-o-tolyloxy)propionic acid; 2M4KhP; Anicon B; Anicon P; CMPP;Celatox CMPP; Compitox; Isocarnox; MCPP; Mechlorprop; Mecoprop; Morogal; NSC60282; Okultin MP; Rankotex; SYS 67 Mecmin; U 46 KV Fluid; a-(2-Methyl-4-chlorophenoxy)propionicacid
  • PSA 46.53000
  • LogP 2.50030

2-(4-Chloro-2-methylphenoxy)propanoic acid Chemical Properties

Product Name: 2-(4-Chloro-2-methylphenoxy)propanoic acid (CAS NO.93-65-2)


Molecular Formula: C10H11ClO3
Molecular Weight: 214.65g/mol
Mol File: 93-65-2.mol
Einecs: 202-264-4
Appearance: Colorless crystals
Melting Point: 88-90°C
Boiling point: 331.9 °C at 760 mmHg
Storage Temperature: APPROX 4°C 
Flash Point: 154.5 °C
Density: 1.265 g/cm3
Water Solubility: Soluble in water
Surface Tension: 43.6 dyne/cm
Enthalpy of Vaporization: 60.65 kJ/mol
Vapour Pressure: 6.04E-05 mmHg at 25°C
XLogP3: 3.1
H-Bond Donor: 1
H-Bond Acceptor: 3
Product Categories: Organics

2-(4-Chloro-2-methylphenoxy)propanoic acid Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 369mg/kg (369mg/kg)   Roczniki Panstwowego Zakladu Higieny. Vol. 31, Pg. 373, 1980.
mouse LD50 unreported 650mg/kg (650mg/kg)   "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971Vol. -, Pg. 173, 1971.
quail LD50 unreported > 500mg/kg (500mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C193, 1991.
rabbit LD50 skin 900mg/kg (900mg/kg)   Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc., 1966. Vol. -, Pg. 683, 1966.
rat LD50 intraperitoneal 402mg/kg (402mg/kg)   Toxicology. Vol. 3, Pg. 349, 1975.
rat LD50 oral 650mg/kg (650mg/kg)   World Review of Pest Control. Vol. 9, Pg. 119, 1970.

2-(4-Chloro-2-methylphenoxy)propanoic 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) ; 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) . EPA Genetic Toxicology Program. Reported in EPA TSCA Inventory.

2-(4-Chloro-2-methylphenoxy)propanoic acid Safety Profile

Suspected carcinogen. Poison by ingestion. Moderately toxic by skin contact and intraperitoneal routes. Experimental teratogenic and reproductive effects. Mutation data reported. An herbicide. When heated to decomposition it emits toxic fumes of Cl−.
Safety Information of 2-(4-Chloro-2-methylphenoxy)propanoic acid (CAS NO.93-65-2):
Risk Statements: 22-38-41 
22:  Harmful if swallowed
38:  Irritating to the skin 
41:  Risk of serious damage to eyes 
Safety Statements: 26-37/39
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 

2-(4-Chloro-2-methylphenoxy)propanoic acid Specification

 2-(4-Chloro-2-methylphenoxy)propanoic acid ,its CAS NO. is 93-65-2,the synonyms is (+)-alpha-(4-Chloro-2-methylphenoxy) propionic acid ; (+-)-2-((4-Chloro-o-tolyl)oxy)propionic acid (8CI) ; 2-(2-Methyl-4-chlorophenoxy)propionic acid ; 2-(2-Methyl-4-chlorphenoxy)-propionsaeure ; 2-(4-Chloor-2-methyl-fenoxy)-propionzuur ;   2-(4-Chloro-2-methylphenoxy)propanoic acid ; 2-(4-Chloro-2-tolyloxy)propionic acid ; 2-(4-Chloro-o-tolyl)oxylpropionic acid ; 2-(4-Chlorophenoxy-2-methyl)propionic acid ; 2-(p-Chloro-o-tolyloxy)propionic acid ; 2-Mcpp ; 2M4KhP ; 4-Chloro-2-methylphenoxy-alpha-propionic acid ; Acide 2-(4-chloro-2-methyl-phenoxy)propionique ; Acido 2-(4-cloro-2-metil-fenossi)-propionico ; Chipco turf herbicide mcpp ; Compitox ; Kwas 4-chloro-2-metylofenoksypropionowy ; Kyselina 2-(4-chlor-2-methylfenoxy)propionova ; Liranox ; MCPP ; Mechlorprop ; Methoxone ; N.b. mecoprop ; NSC 60282 ; Okultin MP ; Propionic acid, 2-(2-methyl-4-chlorophenoxy)- ; Propionic acid, 2-(4-chloro-2-methylphenoxy) ; Proponex-plus ; Rankotex ; alpha-(2-Methyl-4-chlorophenoxy)propionic acid  2-(4-Chloro-2-methylphenoxy)propionic acid ; Propanoic acid, 2-(4-chloro-2-methylphenoxy)- ; Propionic acid, 2-((4-chloro-o-tolyl)oxy)- .

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