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2-acetylthiophene

CAS Number
88-15-3
EC Number
201-804-6
Chemical Formula
C6H6OS
Molecular Weight
126.18 g/mol

Description

2-Acetylthiophene (CAS 88-15-3 ), also known as methyl 2-thienyl ketone, is a sulfur-containing heterocyclic compound used as a flavoring and fragrance ingredient. It delivers a roasted, nutty, and slightly meaty character that food and fragrance formulators rely on to build complex aroma profiles in various industrial applications. In flavor creation, it contributes roasted and savory notes to snack seasonings, meat analogs, and processed food products where depth and warmth are required for the consumer. Fragrance houses incorporate it into compositions targeting smoky, woody, or gourmand accords, particularly in fine fragrance and personal care applications for high-end markets. It is also used in coffee and cocoa flavor systems, where its roasted sulfurous character reinforces natural aroma authenticity and enhances the overall sensory experience. Tobacco flavor formulations represent another established end use, where it supports the characteristic warm and earthy profile required for traditional and modern products. This product is supplied as a liquid at standard commercial purity levels, typically 98% and above, ensuring consistent performance across different manufacturing batches. It is available in flavor-grade quality suitable for food and cosmetic applications, with documentation to support regulatory compliance in all major global markets. Contact us for supply of 2-acetylthiophene Request Quote

Other Names (Synonyms)

1-(2-Thienyl)-ethanone | methyl 2-thienyl ketone | 1-thiophen-2-yl-ethanone | 2-Acetothienone | 2-Acetothiophene | Ethanone, 1-(2-thienyl)- | 2-Thienyl methyl ketone | Ketone, methyl 2-thienyl

Key Technical Features

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

Physical Properties

Melting Point10.5 °C
Boiling Point214.0 °C
Density1.16711 g/cm³ (liquid) @ Temp: 65 °C
Press4.88 x 10⁵ Torr
Flash Point196 °F
Appearanceclear colorless to slightly yellow liquid
ColorClear pale yellow to light brown
Odorat 100.00 %. sulfurous nutty hazelnut walnut
FormLiquid
Water SolubilityInsoluble in water.
Vapor Pressure2.7 hPa (50 °C)
Refractive Indexn 20/D 1.565(lit.)
Log P1.250

Safety & Handling

Danger
GHS06· ToxicGHS07· Irritant

Hazard Statements

H302
H302
H311
H311
H312
H312
H332H332

Precautionary Statements

P261
P261
P262
P262
P264
P264
P270
P270
P271
P271
P280
P280
P316
P316
P317
P317
P321
P321
P330
P330
P405
P405
P501
P501
P317
P317
P352
P352
P340
P340
P364
P364
P364

Trade & Regulatory

HS Code29349990
UN Number2810
ADR Class6.1
Packing GroupII
Storage Class6.1A - Combustible acute toxic Cat. 1 and 2 very toxic hazardous materials
WGK (Germany)3