Product Name

  • Name

    MCPB-ETHYL ESTER

  • EINECS
  • CAS No. 10443-70-6
  • Article Data6
  • CAS DataBase
  • Density 1.127g/cm3
  • Solubility 10.01mg/L(temperature not stated)
  • Melting Point -0.9°C
  • Formula C13H17 Cl O3
  • Boiling Point 355°Cat760mmHg
  • Molecular Weight 256.729
  • Flash Point 137.4°C
  • Transport Information
  • Appearance
  • Safety Moderately toxic by ingestion and skin contact. An herbicide. When heated to decomposition it emits toxic fumes of Cl. See also ESTERS.
  • Risk Codes
  • Molecular Structure Molecular Structure of 10443-70-6 (MCPB-ETHYL ESTER)
  • Hazard Symbols
  • Synonyms Butyricacid, 4-[(4-chloro-o-tolyl)oxy]-, ethyl ester (6CI,8CI); Ethyl(2-methyl-4-chlorophenoxy)butyrate; Ethyl 4-(4-chloro-2-methylphenoxy)butyrate;Ethyl 4-[(4-chloro-o-tolyl)oxy]butyrate; Ethyl g-(2-methyl-4-chlorophenoxy)butyrate; MCPB ethyl; MCPBethyl ester; MCPBE
  • PSA 35.53000
  • LogP 3.37050

Ethyl-4-(4-chloro-2-methyl-phenoxy)-butyrate Chemical Properties

IUPAC Name:  ethyl 4-(4-chloro-2-methylphenoxy)butanoate
Synonyms of Ethyl-4-(4-chloro-2-methyl-phenoxy)-butyrate (CAS NO.10443-70-6): MCPB-ethyl [ISO] ;  Butyric acid, 4-((4-chloro-o-tolyl)oxy)-, ethyl ester ; Ethyl 4-(2-methyl-4-chlorophenoxy)butylate ; MCPB ethyl ; MCPB ethyl ester ; MCPB-ethyl ; MCPBE ; Butanoic acid, 4-(4-chloro-2-methylphenoxy)-, ethyl ester .
Molecular Formula: C13H17ClO3              
Molecular Weight: 256.75                       
Index of Refraction: 1.461
Surface Tension: 29.2 dyne/cm
Density: 0.886 g/cm3
Flash Point: 153.8 °C
Enthalpy of Vaporization: 58.26 kJ/mol
Boiling Point: 339.2 °C at 760 mmHg
Vapour Pressure: 9.36E-05 mmHg at 25°C
Molecular Structure:

Ethyl-4-(4-chloro-2-methyl-phenoxy)-butyrate Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 525mg/kg (525mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 17, Pg. S39, 1992.
mouse LD50 oral 1160mg/kg (1160mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 17, Pg. S39, 1992.
mouse LD50 subcutaneous 3110mg/kg (3110mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 17, Pg. S39, 1992.
rat LC50 inhalation 3000mg/m3 (3000mg/m3)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 17, Pg. S39, 1992.
rat LD50 intraperitoneal 870mg/kg (870mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 17, Pg. S39, 1992.
rat LD50 oral 1420mg/kg (1420mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 17, Pg. S39, 1992.
rat LD50 skin > 4gm/kg (4000mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 17, Pg. S39, 1992.
rat LD50 subcutaneous 3910mg/kg (3910mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 17, Pg. S39, 1992.

Ethyl-4-(4-chloro-2-methyl-phenoxy)-butyrate Safety Profile

Moderately toxic by ingestion and skin contact. An herbicide. When heated to decomposition it emits toxic fumes of Cl. See also ESTERS.

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