3-Acetyl-2,5-dimethylthiophene Cas:2530-10-1

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Product Description:

Product Name: 3-Acetyl-2,5-dimethylthiophene CAS NO: 2530-10-1






Chemical & Physical Properties:

Appearance: Colorless liquid; burnt-roasted, nutty odor

Assay :≥99.0%

Density: 1.08

Boiling Point: 105-108℃ (15 torr)

Flash Point: 98℃

Refractive Index: 1.541-1.548

Vapor Pressure: 0.0982mmHg at 25℃

Water Solubility: Soluble in alcohol. Insoluble in water


Safety Information:

RTECS: OB2888000

Safety Statements: S24/25

HS Code: 2934999090

WGK Germany: 3

Risk Statements: R36/37/38


The synthetic flavoring 3-acetyl-2, 5-dimethylthiophene has a roasted, nutty smell and has been used as a food flavoring since 2002. However, in 2013, the European Food Safety Authority (EFSA) issued a reassessment opinion on the substance, which concluded that it showed mutagenic properties in both in vivo and in vitro tests, and posed safety problems for its use as a food flavor, and removed it from the list of flavors in food in Appendix I of the Flavors Regulation.


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