Thiophene

CAS Number
110-02-1
EC Number
203-729-4
Industries: Food & Nutrition

What is Thiophene?

Thiophene (CAS 110-02-1), also known as thiofuran or thiole, is a sulfur-containing heterocyclic compound used as a chemical intermediate and flavoring agent in the food and fragrance industry.

Where is Thiophene used?

  • Food flavoring: recreating roasted, cooked meat and savory notes
  • Seasonings and flavor blends: sulfurous, meat-like aromatic profile
  • Fragrance: sulfurous or roasted character in specialty compositions
  • Fine chemical and pharmaceutical manufacturing: synthetic intermediate
  • The thiophene ring is incorporated into active compound structures for medicine.

Good to know: Buyers should confirm grade specifications against their formulation or synthesis requirements prior to sourcing materials.

Commercial specifications

  • Purity levels typically at 99% or above for flavor and fine chemical applications
  • Technical and high-purity grades
  • Liquid in drum and bulk quantities

Other Names (Synonyms)

Thiophen|Thiole|thiofuran|Thiofuram|Thiofen|Thiaphene|Divinylene sulfide|Tetrole

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What are the physical properties of Thiophene?

Melting Point -39.4 °C
Boiling Point 84.0 °C @ Press: 760 Torr
Density 1.06494 g/cm³ @ Temp: 20 °C
Flash Point -9 °C
Appearance colourless to pale yellow liquid
Color Clear
Odor at 0.10 % in propylene glycol. alliaceous garlic
Form powder
Water Solubility INSOLUBLE
Vapor Pressure 40 mm Hg ( 12.5 °C)
Refractive Index n 20/D 1.529(lit.)
Log P 1.81-1.86 at pH10

How is Thiophene classified and handled safely? Learn More

Danger
GHS02· Flammable GHS05· Corrosive GHS06· Toxic GHS07· Irritant GHS08· Health Hazard

Hazard Statements

H225 H225
H302 H302
H312 H312
H315 H315

Precautionary Statements

P210 P210
P233 P233
P240 P240
P241 P241

Which trade and regulatory codes apply to Thiophene?

HS Code 29349990
UN Number 2414
ADR Class 3
Packing Group II
Storage Class 3 - Flammable liquids
WGK (Germany) 3
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