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Thiophene CAS 110-02-1

Thiacyclopentadiene;Thiaphene;Thiofen;thio-fura;Thiofuram;Thiofurfuran;Thiophen;USAF ek-1860

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  • 110-02-1

  • bosschem

  • 110-02-1

Thiophene Basic information
Heterocyclic compound Benzol Refining Products Maximal allowed amount and maximal allowed residue Chemical Properties Uses Production methods
Product Name: Thiophene
Synonyms: Thiacyclopentadiene;Thiaphene;Thiofen;thio-fura;Thiofuram;Thiofurfuran;Thiophen;USAF ek-1860
CAS: 110-02-1
MW: 84.14
EINECS: 203-729-4
Product Categories: Building Blocks;Thiophene;Thiophenes;C4 to C6;Chemical Synthesis;Heterocyclic Building Blocks;Organoborons;Halogenated;Organohalides;Boronic ester;Carboxy;Pharmaceutical
Mol File: 110-02-1.mol
Thiophene Chemical Properties
Melting point -38 °C (lit.)
Boiling point 84 °C (lit.)
density 1.051 g/mL at 25 °C (lit.)
vapor density 2.9 (vs air)
vapor pressure 40 mm Hg ( 12.5 °C)
refractive index n20/D 1.529(lit.)
Fp -9 °C
storage temp. Store below +30°C.
solubility Miscible with carbon tetrachloride, heptane, pyrimidine, dioxane, toluene, and many organic solvents (quoted, Keith and Walters, 1992)
form powder
color Clear
Specific Gravity 1.06
Odor Threshold 0.00056ppm
explosive limit 1.5-12.5%(V)
Water Solubility INSOLUBLE
Merck 149,353
BRN 103222
Henry's Law Constant 2.33 and 2.70 in distilled water and seawater, respectively (Przyjazny et al., 1983)
Stability: Stable. Highly flammable. Incompatible with strong oxidizing agents, nitrates.
LogP 1.81-1.86 at pH10
CAS DataBase Reference 110-02-1(CAS DataBase Reference)
NIST Chemistry Reference Thiophene(110-02-1)
EPA Substance Registry System Thiophene (110-02-1)
Exposure limits TLV-TWA 200 ppm (590 mg/m3) (ACGIH, MSHA, and OSHA); STEL 250 ppm (ACGIH); IDLH 20,000 ppm (NIOSH).
Stability: Stable. Incompatible with halogens, strong oxidizing agents, strong reducing agents, strong bases, oxygen. May generate explosive peroxides in storage if in contact with air. Highly flammable. Store at room temperature under nitrogen. Hazardous polymerisation may occur. Light sensitive. May contain 2,6-di-tertbutyl-4-methylphenol (BHT) as a s
LogP 0.45 at 25℃
CAS DataBase Reference 109-99-9(CAS DataBase Reference)
NIST Chemistry Reference Furan, tetrahydro-(109-99-9)
IARC 2B (Vol. 119) 2019
EPA Substance Registry System Tetrahydrofuran (109-99-9)



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