8.21861 EMD Millipore


1-Octanethiol for synthesis. CAS 111-88-6, chemical formula CH₃(CH₂)₇SH., for synthesis

Synonym: n-Octyl mercaptan

  • CAS Number 111-88-6

  • Linear Formula C₈H₁₈S

  • Molecular Weight 146.29 g/mol

  •  EC Number 203-918-1



Related Categories Biochemicals and Reagents More...
packaging   100 ml in Glass bottle (8218610100)
bp   199 °C (1013 hPa)
vapor pressure   0.3 hPa (20 °C)
solubility   0.004 g/l
density   0.84 g/cm3 (20 °C)
flash point   70 °C
autoignition temp.   240 °C
mp   -49 °C
LD 50 oral   LD50 Rat 2000 - 2450 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 98.0 % (a/a)
  Density (d 20 °C/ 4 °C): 0.841 - 0.845
  Identity (IR): passes test

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Safety Information

HS Code 
2930 90 98
Hazard Statement(s) 
H317: May cause an allergic skin reaction.
H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s) 
P273: Avoid release to the environment.
P280: Wear protective gloves.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
Storage class 
10 - 13 Other liquids and solids
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) 
GHS07  GHS07
Hazard Pictogram(s) 
GHS09  GHS09
Hazard Symbols 
Dangerous for the environment  Dangerous for the environment
Hazard Symbols 
Irritant  Irritant
Declaration (railroad and road) ADR, RID 
UN 3082 , 9, III
Declaration (transport by air) IATA-DGR 
UN 3082 , 9, III
Declaration (transport by sea) IMDG-Code 
UN 3082 , 9, III, Marine Pollutant: P
Categories of danger 
sensitizing, dangerous for the environment
R Phrase 
R 43-50/53
May cause sensitisation by skin contact.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase 
S 24-37-61
Avoid contact with skin.Wear suitable gloves.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
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