W515507
2,5-Dimethylthiophene
≥98%
Synonym(s):
NSC 60689
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About This Item
Empirical Formula (Hill Notation):
C6H8S
CAS Number:
Molecular Weight:
112.19
NACRES:
NA.21
Flavis number:
15.064
PubChem Substance ID:
UNSPSC Code:
12164502
EC Number:
211-313-9
MDL number:
Beilstein/REAXYS Number:
106450
Product Name
2,5-Dimethylthiophene, ≥98%
InChI key
GWQOOADXMVQEFT-UHFFFAOYSA-N
InChI
1S/C6H8S/c1-5-3-4-6(2)7-5/h3-4H,1-2H3
SMILES string
Cc1ccc(C)s1
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
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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.
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Formation of sulfur-containing flavor compounds from reactions of furaneol and cysteine, glutathione, hydrogen sulfide, and alanine/hydrogen sulfide.
Zheng Y, et al.
Journal of Agricultural and Food Chemistry, 45(3), 894-897 (1997)
Volatile flavor compounds from onion.
Boelens M, et al.
Journal of Agricultural and Food Chemistry, 19(5), 984-991 (1971)
Restituto Tocmo et al.
Journal of agricultural and food chemistry, 62(23), 5296-5304 (2014-05-21)
There is a growing account of the health benefits of H2S as an endogenous cell-signaling molecule. H2S from organic polysulfides, in particular, is increasingly gaining attention for their beneficial effects to cardiovascular health. Here, we studied shallot as a potential
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