Ethanethiol

Modify Date: 2026-07-23 16:10:53

Ethanethiol Structure
Ethanethiol structure
 Common Name Ethanethiol
CAS Number 75-08-1 Molecular Weight 62.134
Density 0.8±0.1 g/cm3 Boiling Point 34.7±3.0 °C at 760 mmHg
Molecular Formula C2H6S Melting Point -148 °C
MSDS Chinese USA Flash Point -17.2±0.0 °C
Symbol GHS02 GHS07 GHS09
GHS02, GHS07, GHS09		 Signal Word Danger

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Ethanethiol
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 0.8±0.1 g/cm3
Boiling Point 34.7±3.0 °C at 760 mmHg
Melting Point -148 °C
Molecular Formula C2H6S
Molecular Weight 62.134
Flash Point -17.2±0.0 °C
Exact Mass 62.019020
PSA 38.80000
LogP 1.25
Vapour density 2.1 (vs air)
Vapour Pressure 537.1±0.1 mmHg at 25°C
Index of Refraction 1.422
InChIKey DNJIEGIFACGWOD-UHFFFAOYSA-N
SMILES CCS
Stability Stable. Extremely flammable - note low flash point. Incompatible with oxidizing agents, strong acids. May form explosive mixtures with air.

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

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

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
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
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
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
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)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS02 GHS07 GHS09
GHS02, GHS07, GHS09
Signal Word Danger
Hazard Statements H224-H302 + H332-H410
Precautionary Statements P210-P273-P501
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)
Hazard Codes F:Flammable;Xn:Harmful;N:Dangerousfortheenvironment;
Risk Phrases R11;R20;R50/53
Safety Phrases S16-S25-S60-S61
RIDADR UN 2363 3/PG 1
WGK Germany 3
RTECS KI9625000
Packaging Group I
Hazard Class 3

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Articles37

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Comparison of Aroma-Active Volatiles in Oolong Tea Infusions Using GC-Olfactometry, GC-FPD, and GC-MS.

J. Agric. Food Chem. 63 , 7499-510, (2015)

The aroma profile of oolong tea infusions (Dongdingwulong, DDWL; Tieguanyin, TGY; Dahongpao, DHP) were investigated in this study. Gas chromatography-olfactometry (GC-O) with the method of aroma inten...

Metabolism of methylstenbolone studied with human liver microsomes and the uPA⁺/⁺-SCID chimeric mouse model.

Biomed. Chromatogr. 28(7) , 974-85, (2014)

Anti-doping laboratories need to be aware of evolutions on the steroid market and elucidate steroid metabolism to identify markers of misuse. Owing to ethical considerations, in vivo and in vitro mode...

Anabolic steroids detected in bodybuilding dietary supplements - a significant risk to public health.

Drug Test. Anal. 7 , 609-18, (2015)

Twenty-four products suspected of containing anabolic steroids and sold in fitness equipment shops in the United Kingdom (UK) were analyzed for their qualitative and semi-quantitative content using fu...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Ethanthiol
etantiolol
EINECS 200-837-3
Aethanethiol
mercaptoethanol
C2H5SH
mercaptoethane
Thioethanol
ethane thiol
ethyl mercaptan
Ethaanthiol
ethyl mercaptane
EM RT
1,3-ethanedithiol
MFCD00004887
Etantiolo
EM(TM) RT

 Ethanethiol | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the SMILES notation of Ethanethiol?
A: SMILES notation of Ethanethiol is CCS.
Q: What English synonyms does Ethanethiol have?
A: English synonyms of Ethanethiol: Ethanthiol, etantiolol, EINECS 200-837-3, Aethanethiol, mercaptoethanol, C2H5SH, mercaptoethane, Thioethanol, ethane thiol, ethyl mercaptan, Ethaanthiol, ethyl mercaptane, EM RT, 1,3-ethanedithiol, MFCD00004887, Etantiolo, EM(TM) RT.
Q: What is the melting point of Ethanethiol?
A: Melting point of Ethanethiol is -148 °C.
Q: What are the upstream materials of Ethanethiol?
A: Related upstream materials(CAS) of Ethanethiol: 352-93-2;74-93-1;54509-73-8;88890-93-1;110-81-6;513-81-5;145327-77-1.
Q: What is the LogP of Ethanethiol?
A: LogP of Ethanethiol is 1.25.
Q: What is the InChIKey of Ethanethiol?
A: InChIKey of Ethanethiol is DNJIEGIFACGWOD-UHFFFAOYSA-N.
Q: What is the English name of Ethanethiol?
A: The English name of Ethanethiol is Ethanethiol.
Q: What is the polar surface area (PSA) of Ethanethiol?
A: Polar surface area (PSA) of Ethanethiol is 38.80000.
Q: What are the downstream products of Ethanethiol?
A: Related downstream products(CAS) of Ethanethiol: 1118-64-5;104228-07-1;112260-70-5;89489-98-5;7326-63-8;10574-98-8;10574-85-3;109332-77-6;109332-76-5;10490-06-9.
Q: What is the CAS number of Ethanethiol?
A: CAS number of Ethanethiol is 75-08-1.

 Ethanethiolfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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Chemsrc provides Ethanethiol(CAS#:75-08-1) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Ethanethiol are included as well.>> amp version: Ethanethiol

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