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2,5-Dimethylthiophene

Product Name
2,5-Dimethylthiophene
CAS No.
638-02-8
Chemical Name
2,5-Dimethylthiophene
Synonyms
Thiophene, 2,5-dimethyl-;2,5-Thioxene;2,5-DIMETHYTHIOPHENE;2,5-DIMETHYLTHIOPHENE;2,5-Dimethylthiophene >2 5-DIMETHYLTHIOPHENE 98+%;2,5-DIMETHYLTHIOPHENE, 98.5%;2,5-Dimethylthiophene, 98.50%;2,5-Dimethylthiophene USP/EP/BP;2,5-DiMethylthiophene, 98.5% 25ML
CBNumber
CB6181350
Molecular Formula
C6H8S
Formula Weight
112.19
MOL File
638-02-8.mol
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2,5-Dimethylthiophene Property

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)
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Safety

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
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H226Flammable liquid and vapour

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P403+P235Store in a well-ventilated place. Keep cool.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
D188603
Product name
2,5-Dimethylthiophene
Purity
98.5%
Packaging
25g
Price
$103.8
Updated
2024/03/01
Sigma-Aldrich
Product number
W515507
Product name
2,5-Dimethylthiophene
Purity
≥98%
Packaging
25g
Price
$121
Updated
2022/05/15
Sigma-Aldrich
Product number
W515507
Product name
2,5-Dimethylthiophene
Purity
≥98%
Packaging
100g
Price
$249
Updated
2022/05/15
Sigma-Aldrich
Product number
74182
Product name
2,5-Dimethylthiophene
Purity
analytical standard
Packaging
1ml
Price
$69
Updated
2022/05/15
TCI Chemical
Product number
D1591
Product name
2,5-Dimethylthiophene
Purity
>98.0%(GC)
Packaging
5mL
Price
$26
Updated
2024/03/01
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2,5-Dimethylthiophene Chemical Properties,Usage,Production

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

Preparation Products

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2,5-Dimethylthiophene Suppliers

Zhengzhou AnMusi Chemical Products Co., Ltd.
Tel
0371-55289822 18737195735
Fax
QQ:2370407954
Email
2370407954@qq.com
Country
China
ProdList
1998
Advantage
55
Wuhan zhijingcheng Pharmaceutical Technology Co.,Ltd
Tel
027-13986215-120 13871097899
Fax
13986215120
Email
372928708@qq.com
Country
China
ProdList
39
Advantage
58
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
021-61259108 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40228
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30123
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24529
Advantage
81
Beijing HwrkChemical Technology Co., Ltd
Tel
010-89508211 18501085097
Fax
010-89508210
Email
sales.bj@hwrkchemical.com
Country
China
ProdList
8415
Advantage
55
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44689
Advantage
61
Wuhan Chemwish Technology Co., Ltd
Tel
86-027-67849912
Fax
86-027-87531808
Email
sales@chemwish.com
Country
China
ProdList
35896
Advantage
56
Capot Chemical Co., Ltd
Tel
+86 (0) 571 85 58 67 18
Fax
0086-571-85864795
Email
sales@capotchem.com
Country
China
ProdList
18207
Advantage
66
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View Lastest Price from 2,5-Dimethylthiophene manufacturers

Hebei Mojin Biotechnology Co.,Ltd
Product
2,5-Dimethylthiophene 638-02-8
Price
US $0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
50000KG/month
Release date
2024-08-07
JINING XINHE CHEMICAL CO., LTD
Product
2,5-Dimethylthiophene 638-02-8
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
10ton
Release date
2024-07-16
Henan Fengda Chemical Co., Ltd
Product
2,5-Dimethylthiophene 638-02-8
Price
US $9.00-0.90/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-01-23

638-02-8, 2,5-DimethylthiopheneRelated Search:


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