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Substance Name: Ethyl mercaptan
RN: 75-08-1
UNII: M439R54A1D
InChIKey: DNJIEGIFACGWOD-UHFFFAOYSA-N

Molecular Formula

  • C2-H6-S

Molecular Weight

  • 62.1354
 

Classification Codes

Classification Code

  • Skin / Eye Irritant

Superlist Classification Codes

  • Ceiling 10 ppm (25 mg/m3)
  • TWA (0.5 ppm)

Names and Synonyms

Name of Substance

  • Ethanethiol
  • Ethyl mercaptan

Synonyms

  • 1-Mercaptoethane
  • Aethanethiol
  • Aethanethiol [German]
  • Aethylmercaptan
  • Aethylmercaptan [German]
  • AI3-26618
  • EC 200-837-3
  • EINECS 200-837-3
  • Etantiolo
  • Etantiolo [Italian]
  • Ethaanthiol
  • Ethaanthiol [Dutch]
  • Ethanethiol
  • Ethyl hydrosulfide
  • Ethyl mercaptan
  • Ethyl sulfhydrate
  • Ethyl thioalcohol
  • Ethylmercaptaan
  • Ethylmercaptaan [Dutch]
  • Ethylmerkaptan
  • Ethylmerkaptan [Czech]
  • Etilmercaptano
  • Etilmercaptano [Italian]
  • HSDB 814
  • LPG ethyl mercaptan 1010
  • Mercaptoethane
  • NSC 93877
  • Thioethanol
  • Thioethyl alcohol
  • UNII-M439R54A1D

Systematic Name

  • Ethanethiol

Superlist Names

  • Ethanethiol
  • Ethyl mercaptan
  • Ethyl mercaptan [UN2363] [Flammable liquid]
  • UN2363

Registry Numbers

CAS Registry Number

  • 75-08-1

FDA UNII

  • M439R54A1D

Related Registry Numbers

  • 811-50-7 (mercury(+2) salt)
  • 811-51-8 (hydrochloride salt)

System Generated Number

  • 0000075081

Structure Descriptors

InChI

1S/C2H6S/c1-2-3/h3H,2H2,1H3

InChIKey

DNJIEGIFACGWOD-UHFFFAOYSA-N

Smiles

C(C)S

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LC50 inhalation 2770ppm/4H (2770ppm) BEHAVIORAL: EXCITEMENT

BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)

LUNGS, THORAX, OR RESPIRATION: CYANOSIS
American Industrial Hygiene Association Journal. Vol. 19, Pg. 171, 1958.
rat LC50 inhalation 4420ppm/4H (4420ppm) BEHAVIORAL: EXCITEMENT

PERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE

LUNGS, THORAX, OR RESPIRATION: CYANOSIS
American Industrial Hygiene Association Journal. Vol. 19, Pg. 171, 1958.
rat LD50 intraperitoneal 226mg/kg (226mg/kg) BEHAVIORAL: MUSCLE WEAKNESS

BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: CYANOSIS
American Industrial Hygiene Association Journal. Vol. 19, Pg. 171, 1958.
rat LD50 oral 682mg/kg (682mg/kg) BEHAVIORAL: ATAXIA

BEHAVIORAL: MUSCLE WEAKNESS

LUNGS, THORAX, OR RESPIRATION: CYANOSIS
American Industrial Hygiene Association Journal. Vol. 19, Pg. 171, 1958.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -1.48E+02 deg C   EXP
Boiling Point 35.1 deg C   EXP
pKa Dissociation Constant 10.61 (none) 25 EXP
log P (octanol-water) 1.270 (none)   EST
Water Solubility 1.56E+04 mg/L 25 EXP
Vapor Pressure 529 mm Hg 25 EXP
Henry's Law Constant 0.00453 atm-m3/mole 20 EXP
Atmospheric OH Rate Constant 4.68E-11 cm3/molecule-sec 25 EXP

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