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Substance Name: Ethyl chloroformate
RN: 541-41-3
UNII: 09601EZP9R

Molecular Formula

  • C3-H5-Cl-O2

Molecular Weight

  • 108.523
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Names and Synonyms

Name of Substance

  • Ethyl chloroformate


  • 4-03-00-00023 (Beilstein Handbook Reference)
  • AI3-19852
  • BRN 0385653
  • Carbonochloridic acid, ethyl ester
  • Cathyl chloride
  • Chlorameisensaeureaethylester
  • Chlorameisensaeureaethylester [German]
  • Chlorocarbonate d'ethyle
  • Chlorocarbonate d'ethyle [French]
  • Chlorocarbonic acid ethyl ester
  • Chloroformic acid ethyl ester
  • Clhorameisensaeureaethylester
  • Clhorameisensaeureaethylester [German]
  • Cloroformiato de etilo
  • Cloroformiato de etilo [Spanish]
  • EC 208-778-5
  • ECF
  • EINECS 208-778-5
  • Ethoxycarbonyl chloride
  • Ethyl carbonochloridate
  • Ethyl chlorocarbonate
  • Ethyl chloroformate
  • Ethyl chloromethanoate
  • Ethylchloorformiaat
  • Ethylchloorformiaat [Dutch]
  • Ethyle, chloroformiat d'
  • Ethyle, chloroformiat d' [French]
  • Ethylester kyseliny chlormravenci
  • Ethylester kyseliny chlormravenci [Czech]
  • Etil clorocarbonato
  • Etil clorocarbonato [Italian]
  • Etil cloroformiato
  • Etil cloroformiato [Italian]
  • Formic acid, chloro-, ethyl ester
  • HSDB 409
  • TL 423
  • UNII-09601EZP9R

Systematic Names

  • Carbonochloridic acid, ethyl ester
  • Ethyl chloroformate
  • Formic acid, chloro-, ethyl ester

Superlist Names

  • Carbonochloridic acid, ethyl ester
  • Ethyl chloroformate
  • Ethyl chloroformate [UN1182] [Poison]
  • Formic acid, chloro-, ethyl ester
  • UN1182

Registry Numbers

CAS Registry Number

  • 541-41-3


  • 09601EZP9R

Other Registry Numbers

  • 503842-49-7
  • 52803-29-9

System Generated Number

  • 0000541413

Structure Descriptors








Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LCLo inhalation 2260mg/m3/10M (2260mg/m3)   National Defense Research Committee, Office of Scientific Research and Development, Progress Report.Vol. NDCrc-132, Pg. NOV1942,
mouse LDLo intraperitoneal 15mg/kg (15mg/kg)   "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 6, Pg. 220, 1954.
rabbit LD50 skin 7120mg/kg (7120mg/kg)   Toxicology and Applied Pharmacology. Vol. 42, Pg. 417, 1977.
rat LC50 inhalation 840mg/m3/1H (840mg/m3) LUNGS, THORAX, OR RESPIRATION: CHANGES IN LUNG WEIGHT National Technical Information Service. Vol. OTS0555045,
rat LD50 oral 270mg/kg (270mg/kg)   Toxicology and Applied Pharmacology. Vol. 42, Pg. 417, 1977.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -8.06E+01 deg C   EXP
Boiling Point 95 deg C   EXP
log P (octanol-water) 0.630 (none)   EST
Water Solubility 3.21E+04 mg/L 25 EST
Vapor Pressure 22.4 mm Hg 25 EXP
Henry's Law Constant 3.12E-03 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.66E-12 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.