Thiophene

CAS Number
110-02-1
EC Number
203-729-4
Chemical Formula
C4H4S
Molecular Weight
84.14 g/mol
Industries: Food & Nutrition

Description

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. It provides a characteristic sulfurous, meat-like aromatic profile that underpins a range of synthetic flavor systems. In food flavoring, thiophene derivatives are used to recreate roasted, cooked meat, and savory notes.

These compounds are essential in processed food products, seasonings, and flavor blends. It also functions as a key building block in the synthesis of more complex heterocyclic flavor compounds for the industry. The ring structure is modified to produce targeted aroma profiles for various applications. Fragrance formulators use thiophene-based intermediates in specialty compositions requiring sulfurous or roasted character.

Beyond flavor and fragrance, it serves as a synthetic intermediate in fine chemical and pharmaceutical manufacturing. The thiophene ring is frequently incorporated into active compound structures for medicine. Thiophene is supplied as a liquid in standard commercial packaging, with drum and bulk quantities available for industrial buyers. It is offered in technical and high-purity grades for diverse needs.

Purity levels are typically at 99% or above for flavor and fine chemical applications. Buyers should confirm grade specifications against their formulation or synthesis requirements prior to sourcing materials.

Other Names (Synonyms)

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

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

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

Documentation

Safety & Handling 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

Trade & Regulatory

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