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Substance Name: Ethylmercuric chloride
RN: 107-27-7
UNII: M04218TP6P


  • A highly toxic compound used as a fungicide for treating seeds.

Molecular Formula

  • C2-H5-Cl-Hg

Molecular Weight

  • 265.1045

Classification Codes

  • Agricultural Chemical
  • Fungicide, Bactericide, Wood Preservative
  • Fungicides, Industrial
  • Mutation Data
  • Organometallic
  • Out-Dated Pesticide
  • Pesticides
  • Reproductive Effect
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Names and Synonyms

Name of Substance

  • Ethylmercuric chloride

MeSH Heading

  • Ethylmercuric chloride


  • 4-04-00-04439 (Beilstein Handbook Reference)
  • AI3-60042
  • BRN 4123092
  • Caswell No. 448
  • Ceresan
  • Chloroethylmercury
  • Cryptodine
  • EINECS 203-478-0
  • EMC
  • Emcon D
  • EPA Pesticide Chemical Code 041503
  • Ethyl mercury chloride
  • Ethylmercuric chloride
  • Ethylmercury chloride
  • Ethylmerkurichlorid
  • Ethylmerkurichlorid [Czech]
  • Ganozan
  • Granosan
  • Granozan
  • NSC 1203
  • UNII-M04218TP6P

Systematic Names

  • Ethylmercury chloride
  • Mercury, chloroethyl-

Registry Numbers

CAS Registry Number

  • 107-27-7


  • M04218TP6P

System Generated Number

  • 0000107277

Structure Descriptors








Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mammal (species unspecified) LD50 unreported 18mg/kg (18mg/kg)   "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971Vol. -, Pg. 287, 1971.
mouse LC50 inhalation 5mg/m3 (5mg/m3)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1199, 1986.
mouse LD50 intraperitoneal 16mg/kg (16mg/kg)   Organometallic Chemistry Reviews, Section A: Subject Reviews. Vol. 3, Pg. 137, 1968.
mouse LD50 oral 56mg/kg (56mg/kg)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 68, 1982.
rat LC50 inhalation 689mg/m3/4H (689mg/m3)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 56(2), Pg. 80, 1991.
rat LD50 oral 40mg/kg (40mg/kg)   Trudy Azerbaidzhanskogo Nauchno-Issledovatel'skogo Instituta Gigieny Truda i Professional'nyk Zabolevanii. Transactions of the Azerbaidzhan Scientific Research Institute of Labor Hygiene and Occupational Diseases. Vol. 9, Pg. 25, 1974.
rat LD50 skin 200mg/kg (200mg/kg)   Pharmaceutical Journal. Vol. 185, Pg. 361, 1960.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 192 deg C   EXP
log P (octanol-water) 0.880 (none)   EST
Water Solubility 1.5 mg/L   EXP
Vapor Pressure 6.440 mm Hg 25 EST
Henry's Law Constant 7.87E-04 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 5.62E-11 cm3/molecule-sec 25 EST

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