Basic information Safety Supplier Related
ChemicalBook >  Product Catalog >  Flavors and fragrances >  Synthetic fragrances >  Oxygen-containing heterocyclic compounds >  Thiazole, thiophene, and pyridine >  2,5-Dimethylthiophene

2,5-Dimethylthiophene

Basic information Safety Supplier Related

2,5-Dimethylthiophene Basic information

Product Name:
2,5-Dimethylthiophene
Synonyms:
  • 2,5-DIMETHYLTHIOPHENE
  • 2,5-DIMETHYLTHIOPHENE, 98.5%
  • 2 5-DIMETHYLTHIOPHENE 98+%
  • 2,5-DIMETHYTHIOPHENE
  • 2,5-Dimethylthiophene, 98.50%
  • Thiophene, 2,5-dimethyl-
  • 2,5-Thioxene
  • 2,5-DiMethylthiophene, 98.5% 25ML
CAS:
638-02-8
MF:
C6H8S
MW:
112.19
EINECS:
211-313-9
Product Categories:
  • thiophene Flavor
  • Building Blocks
  • Alphabetical Listings
  • C-D
  • Heterocyclic Building Blocks
  • Thiophenes
  • Thiophene&Benzothiophene
  • Heterocyclic Compounds
  • Thiophens
  • Flavors and Fragrances
Mol File:
638-02-8.mol
More
Less

2,5-Dimethylthiophene Chemical Properties

Melting point:
-63°C
Boiling point:
134 °C/740 mmHg (lit.)
Density 
0.985 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.512(lit.)
Flash point:
75 °F
storage temp. 
Keep in dark place,Inert atmosphere,Room temperature
form 
Liquid
Specific Gravity
0.985
color 
Clear colorless to slightly yellow
Odor
at 0.10 % in propylene glycol. nutty sulfury
Odor Type
sulfurous
Water Solubility 
Insoluble in water. Soluble in alcohol, ether and benzene.
BRN 
106450
InChIKey
GWQOOADXMVQEFT-UHFFFAOYSA-N
LogP
2.523 (est)
CAS DataBase Reference
638-02-8(CAS DataBase Reference)
NIST Chemistry Reference
Thiophene, 2,5-dimethyl-(638-02-8)
EPA Substance Registry System
2,5-Dimethylthiophene (638-02-8)
More
Less

Safety Information

Hazard Codes 
Xn,F,Xi
Risk Statements 
10-37-20/22
Safety Statements 
23-24/25-16-36-33-29-7/9-3/7/9
RIDADR 
UN 1993 3/PG 3
WGK Germany 
3
HazardClass 
3
PackingGroup 
II
HS Code 
29349990

MSDS

More
Less

2,5-Dimethylthiophene Usage And Synthesis

Chemical Properties

clear colorless to slightly yellow liquid

Uses

2,5-Dimethylthiophene is used as an intermediate in organic synthesis.

Definition

ChEBI: 2,5-Dimethylthiophene is a member of thiophenes.

Synthesis Reference(s)

The Journal of Organic Chemistry, 20, p. 1363, 1955 DOI: 10.1021/jo01127a012

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.

2,5-Dimethylthiophene Preparation Products And Raw materials

Raw materials

2,5-DimethylthiopheneSupplier

Zhengzhou AnMusi Chemical Products Co., Ltd. Gold
Tel
0371-55289822 18737195735
Email
2370407954@qq.com
Wuhan zhijingcheng Pharmaceutical Technology Co.,Ltd Gold
Tel
13986215120
Email
chemistry888@126.com
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Email
jkinfo@jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Email
market03@meryer.com
Alfa Aesar
Tel
400-6106006
Email
saleschina@alfa-asia.com