8.08157 EMD Millipore


Thiophene for synthesis. CAS 110-02-1, molar mass 84.14 g/mol., for synthesis

  • CAS Number 110-02-1

  • Linear Formula C₄H₄S

  • Molecular Weight 84.14 g/mol

  •  EC Number 203-729-4



Related Categories Biochemicals and Reagents More...
packaging   5 ml in Glass bottle (8081570005)
bp   83 - 84 °C (1013 mbar)
expl. lim.     1.5 - 12.5 %(V)
vapor pressure   80 hPa (20 °C)
density   1.06 g/cm3 (20 °C)
flash point   -9 °C
autoignition temp.   395 °C
mp   -38 °C
LD 50 oral   LD50 Rat 1400 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 99.0 % (a/a)
  Density (d 20 °C/ 4 °C): 1.062 - 1.065
  Identity (IR): passes test

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Safety Information

HS Code 
2934 99 90
Hazard Statement(s) 
H225: Highly flammable liquid and vapour.
H302: Harmful if swallowed.
H319: Causes serious eye irritation.
H412: Harmful to aquatic life with long lasting effects.
Precautionary Statement(s) 
P210: Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P260: Do not breathe vapour.
P262: Do not get in eyes, on skin, or on clothing.
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
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS02  GHS02
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Flammable  Flammable
Hazard Symbols 
Harmful  Harmful
Declaration (railroad and road) ADR, RID 
UN 2414 , 3, II
Declaration (transport by air) IATA-DGR 
UN 2414 , 3, II
Declaration (transport by sea) IMDG-Code 
UN 2414 , 3, II
Categories of danger 
highly flammable, harmful, irritant, dangerous for the environment
R Phrase 
R 11-22-36-52/53
Highly flammable.Harmful if swallowed.Irritating to eyes.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase 
S 16-23-24-61
Keep away from sources of ignition - No smoking.Do not breathe vapour.Avoid contact with skin.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
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