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LC2581 Thiophene

for synthesis


Order number Packaging Quantity Price €
AC29581 Glass bottle 5 ml


AC29581 Glass bottle 250 ml 21.15
AC29581 Glass bottle 1 l 73.35


Product information
Hill Formula C4H4S
HS Code 2934 99 90
EC number 203-729-4
Molar mass 84.13 g/mol
CAS number 110-02-1


Chemical and physical data
Ignition temperature 395 °C

(20 °C) insoluble

Saturation concentration (air) 276 g/m3 (20 °C) Air
Melting point -38 °C
Molar mass 84.13 g/mol
Density 1.06 g/cm3 (20 °C)
Boiling point 83 – 84 °C (1013 mbar)
Vapor pressure 80 hPa (20 °C)
Explosion limit 1.5 – 12.5 %(V)
Flash point -10 °C
Refractive index 1.5289 (20 °C, 589 nm)


Safety information according to GHS
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.
Signal Word Danger
Hazard Pictogram(s)
Storage class 3 Flammable Liquids
WGK WGK 3 highly water endangering
Disposal 3
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.


Safety information
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.
Categories of danger highly flammable, harmful, irritant, dangerous for the environment
Hazard Symbol




Transport information
Declaration (transport by sea) IMDG-Code UN 2414 THIOPHENE, 3, II
Declaration (transport by air) IATA-DGR N 2414 THIOPHENE, 3, II


Toxicological data
LD 50 oral LD50 rat 1400 mg/kg


Assay (GC, area%) ≥ 99 %
Density (d 20 °C/ 4 °C) 1.062 – 1.065
Identity (IR) passes test


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