*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : KI9625000
CHEMICAL NAME : Ethanethiol
CAS REGISTRY NUMBER : 75-08-1
LAST UPDATED : 199712
DATA ITEMS CITED : 36
MOLECULAR FORMULA : C2-H6-S
MOLECULAR WEIGHT : 62.14
WISWESSER LINE NOTATION : SH2
COMPOUND DESCRIPTOR : Primary Irritant
SYNONYMS/TRADE NAMES :
* Aethanethiol
* Aethylmercaptan
* Etantiolo
* Ethaanthiol
* Ethanethiol
* Ethyl hydrosulfide
* Ethylmercaptaan
* Ethyl mercaptan
* Ethylmerkaptan
* Ethyl sulfhydrate
* Ethyl thioalcohol
* Etilmercaptano
* LPG ethyl mercaptan 1010
* Thioethanol
* Thioethyl alcohol
*** HEALTH HAZARD DATA ***
** SKIN/EYE IRRITATION DATA **
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 500 mg/24H
REACTION SEVERITY : Mild
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,982,1986
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration into the eye
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 84 mg
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf
Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year:
19,171,1958
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration into the eye
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 100 mg/24H
REACTION SEVERITY : Moderate
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,982,1986
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 682 mg/kg
TOXIC EFFECTS :
Behavioral - muscle weakness
Behavioral - ataxia
Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf
Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year:
19,171,1958
TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 4420 ppm/4H
TOXIC EFFECTS :
Peripheral Nerve and Sensation - spastic paralysis with or without sensory
change
Behavioral - excitement
Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf
Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year:
19,171,1958
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 226 mg/kg
TOXIC EFFECTS :
Behavioral - muscle weakness
Behavioral - ataxia
Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf
Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year:
19,171,1958
TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 2770 ppm/4H
TOXIC EFFECTS :
Behavioral - excitement
Behavioral - changes in motor activity (specific assay)
Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf
Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year:
19,171,1958
*** REVIEWS ***
ACGIH TLV-TWA 1.3 mg/m3 (0.5 ppm)
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
(BEIs) booklet issues by American Conference of Governmental Industrial
Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year:
TLV/BEI,1997
*** U.S. STANDARDS AND REGULATIONS ***
MSHA STANDARD-air:TWA 0.5 ppm (1 mg/m3)
DTLWS* "Documentation of the Threshold Limit Values for Substances in
Workroom Air," Supplements. For publisher information, see 85INA8.
Volume(issue)/page/year: 3,18,1973
OSHA PEL (Gen Indu):CL 10 ppm (25 mg/m3)
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1910.1000,1994
OSHA PEL (Construc):8H TWA 0.5 ppm (1 mg/m3)
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1926.55,1994
OSHA PEL (Shipyard):CL 0.5 ppm (1 mg/m3)
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1915.1000,1993
OSHA PEL (Fed Cont):CL 10 ppm (25 mg/m3)
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
41,50-204.50,1994
*** OCCUPATIONAL EXPOSURE LIMITS ***
OEL-AUSTRALIA:TWA 0.5 ppm (1 mg/m3) JAN 1993
OEL-BELGIUM:TWA 0.5 ppm (1.3 mg/m3) JAN 1993
OEL-DENMARK:TWA 0.5 ppm (1 mg/m3) JAN 1993
OEL-FINLAND:STEL 0.5 ppm (1.3 mg/m3) JAN 1993
OEL-FRANCE:TWA 0.5 ppm (1 mg/m3) JAN 1993
OEL-GERMANY:TWA 0.5 ppm (1 mg/m3) JAN 1993
OEL-HUNGARY:STEL 1 mg/m3 JAN 1993
OEL-THE NETHERLANDS:TWA 0.5 ppm (1 mg/m3) JAN 1993
OEL-THE PHILIPPINES:TWA 10 ppm (25 mg/m3) JAN 1993
OEL-RUSSIA:STEL 1 mg/m3;Skin JAN 1993
OEL-SWITZERLAND:TWA 0.5 ppm (1.3 mg/m3);STEL 1 ppm (2.6 mg/m3) JAN 1993
OEL-THAILAND:TWA 10 ppm (25 mg/m3) JAN 1993
OEL-TURKEY:TWA 10 ppm (25 mg/m3) JAN 1993
OEL-UNITED KINGDOM:TWA 0.5 ppm (1 mg/m3);STEL 2 ppm (3 mg/m3) JAN 1993
OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
NIOSH REL TO ETHANETHIOL-air:CL 0.5 ppm
REFERENCE :
NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
Health, Education, and Welfare, Reports and Memoranda.
Volume(issue)/page/year: DHHS #92-100,1992
NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOHS - National Occupational Hazard Survey (1974)
NOHS Hazard Code - 32760
No. of Facilities: 19 (estimated)
No. of Industries: 1
No. of Occupations: 15
No. of Employees: 1476 (estimated)
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - 32760
No. of Facilities: 110 (estimated)
No. of Industries: 2
No. of Occupations: 7
No. of Employees: 1793 (estimated)
No. of Female Employees: 14 (estimated)
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA Section 8(d) unpublished health/safety studies
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
NIOSH Analytical Method, 1994: Mercaptans, 2542
*** END OF RECORD ***