Product Name

  • Name

    CPMC

  • EINECS
  • CAS No. 3942-54-9
  • Article Data12
  • CAS DataBase
  • Density 1.255g/cm3
  • Solubility
  • Melting Point
  • Formula C8H8 Cl N O2
  • Boiling Point 253.8°Cat760mmHg
  • Molecular Weight 185.61
  • Flash Point 107.3°C
  • Transport Information
  • Appearance
  • Safety A poison by ingestion and possibly other routes. An insecticide. See also CARBAMATES. When heated to decomposition it emits very toxic fumes of Cl− and NOx.
  • Risk Codes
  • Molecular Structure Molecular Structure of 3942-54-9 (CPMC)
  • Hazard Symbols
  • Synonyms Carbamicacid, methyl-, 2-chlorophenyl ester (9CI); Carbamic acid, methyl-,o-chlorophenyl ester (7CI,8CI); 2-Chlorophenyl N-methylcarbamate;2-Chlorophenyl methylcarbamate; CPMC; Etrofol; Hopcide; Ro 7-4780;o-Chlorophenyl N-methylcarbamate; o-Chlorophenyl methylcarbamate
  • PSA 38.33000
  • LogP 2.44910

o-Chlorophenyl methylcarbamate Chemical Properties

IUPAC Name: (2-Chlorophenyl) N-methylcarbamate 
Synonyms of o-Chlorophenyl methylcarbamate (CAS NO.3942-54-9): 2-Chlorophenyl methylcarbamate ; 2-Chlorophenyl-N-methylcarbamate ; Etrofol ; Hopcide ; o-Chlorophenyl N-methylcarbamate ; Carbamic acid, N-methyl-, 2-chlorophenyl ester ; Carbamic acid, methyl-, 2-chlorophenyl ester ; Carbamic acid, methyl-, o-chlorophenyl ester  
InChI: InChI=1/C8H8ClNO2/c1-10-8(11)12-7-5-3-2-4-6(7)9/h2-5H,1H3,(H,10,11)
InChIKey: ZAGNMMRDHSEOPE-UHFFFAOYAX            
CAS NO:  3942-54-9                                       
Molecular Formula:  C8H8ClNO2                                  
Molecular Weight: 185.6076                                               
Molecular Structure :
EINECS: 223-524-3
H bond acceptors:  3 
H bond donors:  1 
Freely Rotating Bonds:  2 
Polar Surface Area:  29.54Å2 
Index of Refraction:  1.535 
Molar Refractivity:  46.08 cm3 
Molar Volume:  147.8 cm3  
Surface Tension:  40.3 dyne/cm 
Density:  1.255 g/cm3 
Flash Point:  107.3 °C 
Enthalpy of Vaporization:  49.12 kJ/mol 
Boiling Point:  253.8 °C at 760 mmHg 
Vapour Pressure:  0.0179 mmHg at 25°C 

o-Chlorophenyl methylcarbamate Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 150mg/kg (150mg/kg)   Guide to the Chemicals Used in Crop Protection. Vol. 6, Pg. 115, 1973.
rat LD50 oral 648mg/kg (648mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C131, 1991.
rat LD50 skin > 500mg/kg (500mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C131, 1991.
rat LD50 unreported 150mg/kg (150mg/kg)   "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971Vol. -, Pg. 190, 1971.

o-Chlorophenyl methylcarbamate Consensus Reports

EPA Genetic Toxicology Program. Reported in EPA TSCA Inventory.

o-Chlorophenyl methylcarbamate Safety Profile

A poison by ingestion and possibly other routes. An insecticide. See also CARBAMATES. When o-Chlorophenyl methylcarbamate (CAS NO.3942-54-9) is heated to decomposition, it emits very toxic fumes of Cl− and NOx.

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