ChemicalBook > CAS DataBase List > 2,5-Dimethylthiophene
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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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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View Lastest Price from 2,5-Dimethylthiophene manufacturers
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
Hebei Duling International Trade Co. LTD
- Product
- 2,5-Dimethylthiophene 638-02-8
- Price
- US $60.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 100 tons
- Release date
- 2023-02-21
Honest Joy Holdings Limited
- Product
- 2,5-Dimethylthiophene 638-02-8
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 97.0%
- Supply Ability
- 100 tons
- Release date
- 2022-02-21
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