W515507

2,5-Dimethylthiophene

≥98%

• Synonym(s): NSC 60689
• Empirical Formula (Hill Notation): C₆H₈S
• CAS Number: 638-02-8
• Molecular Weight: 112.19
• Beilstein/REAXYS Number: 106450
• EC Number: 211-313-9
• MDL number: MFCD00005452
• UNSPSC Code: 12164502
• PubChem Substance ID: 24901914
• Flavis number: 15.064
• NACRES: NA.21

Properties

• biological source: synthetic
• grade: Halal; Kosher
• assay: ≥98%
• refractive index: n20/D 1.512 (lit.)
• bp: 134 °C/740 mmHg (lit.)
• density: 0.985 g/mL at 25 °C (lit.)
• application(s): flavors and fragrances
• documentation: see Safety & Documentation for available documents
• food allergen: no known allergens
• organoleptic: sulfurous
• SMILES string: Cc1ccc(C)s1
• InChI: 1S/C6H8S/c1-5-3-4-6(2)7-5/h3-4H,1-2H3
• InChI key: GWQOOADXMVQEFT-UHFFFAOYSA-N

Description

General description

2,5-Dimethylthiophene is a volatile flavoring compound that has been identified in the essential oil of onion. It is reported to be one of the sulfur-containing compounds formed via Maillard reaction/Strecker degradation of cysteine with furaneol.

Safety Information

• pictograms: GHS02
• signalword: Warning
• hcodes: H226
• Hazard Classifications: Flam. Liq. 3
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: 75.2 °F - closed cup
• flash_point_c: 24 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter