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8.21837 EMD Millipore

2-Methyl-2-propanethiol

2-Methyl-2-propanethiol for synthesis. CAS 75-66-1, chemical formula (CH₃)₃CSH., for synthesis

Synonym: tert-Butyl mercaptan

  • CAS Number 75-66-1

  • Linear Formula C₄H₁₀S

  • Molecular Weight 90.19 g/mol

  •  EC Number 200-890-2

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Properties

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packaging   100 ml in Glass bottle (8218370100)
vapor pressure   190 hPa (20 °C)
solubility   1.47 g/l slightly soluble
density   0.80 g/cm3 (20 °C)
flash point   <-25 °C
LD 50 oral   LD50 Rat 4729 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): 0.799 - 0.800
  Identity (IR): passes test

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Safety Information

HS Code 
2930 90 98
Hazard Statement(s) 
H225: Highly flammable liquid and vapour.
H317: May cause an allergic skin reaction.
H411: Toxic to aquatic life with long lasting effects.
Precautionary Statement(s) 
P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P240: Ground/bond container and receiving equipment.
P273: Avoid release to the environment.
P280: Wear protective gloves.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
Storage class 
3 Flammable liquids
WGK 
WGK 3 highly water endangering
Disposal 
6
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
Declaration (railroad and road) ADR, RID 
UN 2347 , 3, II
Declaration (transport by air) IATA-DGR 
UN 2347 , 3, II
Declaration (transport by sea) IMDG-Code 
UN 2347 , 3, II
Categories of danger 
highly flammable, irritant
R Phrase 
R 11-43-51/53
Highly flammable.May cause sensitisation by skin contact.Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase 
S 9-16-24-45-61
Keep container in a well-ventilated place.Keep away from sources of ignition - No smoking.Avoid contact with skin.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).Avoid release to the environment. Refer to special instructions/ Safety data sheets.
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