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

2,5-Hexanedione Phosphorus pentasulfide Carbon tetrachloride

Preparation Products

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2,5-Dimethylthiophene Suppliers

Americas 1 Belgium 1 Canada 1 China 181 Europe 1 France 1 Germany 3 India 13 Japan 3 Norway 1 Poland 1 Singapore 1 Slovakia 1 Switzerland 2 The Netherlands 1 Ukraine 1 United Kingdom 20 United States 46 USA 1 Global 280

Clearsynth Labs Limited

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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:

Thifensulfuron Tetrahydrothiophene Cephalothin sodium 2,2'-BITHIOPHENE-5-CARBOXALDEHYDE 5-Methyl-2-thiophenecarboxylic acid 2,2':5',2''-TERTHIOPHENE Tetraphenylthiophene 3-Acetyl-2,5-dimethylthiophene 5-(2-PYRIDYL)THIOPHENE-2-CARBOXYLIC ACID 5-Methylthiophene-2-carboxaldehyde 2-ACETYL-5-CYANOTHIOPHENE 3,4-DIMETHYLTHIOPHENE-2,5-DICARBONITRILE BBOT 2-[1-METHYL-3-(TRIFLUOROMETHYL)PYRAZOL-5-YL]-THIOPHENE-5-CARBOXALDEHYDE 1-(5-Methyl-2-thienyl)ethan-1-one 2,5-Thiophenedicarboxylic acid Methyl 3-amino-5-(4-chlorophenyl)thiophene-2-carboxylate 3,4-DIMETHYLTHIENO[2,3-B]THIOPHENE-2-CARBALDEHYDE

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

2,5-Dimethylthiophene &gt

2,5-Dimethylthiophene USP/EP/BP

638-02-8

630-02-8

638-02-9

638028

C6H8S

Building Blocks

Thiophenes

Heterocyclic Building Blocks

thiophene Flavor

Building Blocks

Heterocyclic Building Blocks

Thiophenes

Alphabetical Listings

C-D

Flavors and Fragrances

Thiophene&Benzothiophene

Heterocyclic Compounds

Thiophens