8.07529 EMD Millipore


1-Propanethiol for synthesis. CAS 107-03-9, chemical formula CH₃CH₂CH₂SH., for synthesis

Synonym: Propyl mercaptan

  • CAS Number 107-03-9

  • Linear Formula C₃H₈S

  • Molecular Weight 76.16 g/mol

  •  EC Number 203-455-5



Related Categories Biochemicals and Reagents More...
packaging   5 ml in Glass bottle (8075290005)
bp   67 - 68 °C (1013 hPa)
vapor pressure   165 hPa (20 °C)
solubility   1.9 g/l
density   0.84 g/cm3 (20 °C)
flash point   -34 °C
mp   -113 °C
LD 50 oral   LD50 Rat 1790 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 96.0 % (a/a)
  Density (d 20 °C/ 4 °C): 0.840 - 0.845
  Identity (IR): passes test

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Safety Information

HS Code 
2930 90 98
Hazard Statement(s) 
H225: Highly flammable liquid and vapour.
H302: Harmful if swallowed.
H319: Causes serious eye irritation.
H400: Very toxic to aquatic life.
Precautionary Statement(s) 
P210: Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P260: Do not breathe vapour.
P273: Avoid release to the environment.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P403 + P235: Store in a well-ventilated place. Keep cool.
Storage class 
3 Flammable liquids
WGK 3 highly water endangering
Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E.
Hazard Pictogram(s) 
GHS02  GHS02
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Pictogram(s) 
GHS09  GHS09
Hazard Symbols 
Flammable  Flammable
Hazard Symbols 
Dangerous for the environment  Dangerous for the environment
Hazard Symbols 
Harmful  Harmful
Declaration (railroad and road) ADR, RID 
UN 2402 , 3, II
Declaration (transport by air) IATA-DGR 
UN 2402 , 3, II
Declaration (transport by sea) IMDG-Code 
UN 2402 , 3, II
Categories of danger 
highly flammable, harmful, irritant, dangerous for the environment
R Phrase 
R 11-22-36-50
Highly flammable.Harmful if swallowed.Irritating to eyes.Very toxic to aquatic organisms.
S Phrase 
S 16-23-26-61
Keep away from sources of ignition - No smoking.Do not breathe vapour.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
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