2,5-Dimethylthiophene

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Names

[ CAS No. ]:
638-02-8

[ Name ]:
2,5-Dimethylthiophene

[Synonym ]:
EINECS 211-313-9
MFCD00005452
T5SJ B1 E1
Thiophene,2,5-dimethyl
3,5-methylthiophene
2,5-SC4H2Me2
2,5-dimethyl-thiophene
Thiophene,5-dimethyl
2,4-DINITROBENZENESULFONYL CHLORIDE
Thiophene, 2,5-dimethyl-
2,5-Dimethylthiophen
2,5-Dimethylthiophene

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
136.8±9.0 °C at 760 mmHg

[ Melting Point ]:
-63°C

[ Molecular Formula ]:
C₆H₈S

[ Molecular Weight ]:
112.193

[ Flash Point ]:
23.9±0.0 °C

[ Exact Mass ]:
112.034668

[ PSA ]:
28.24000

[ LogP ]:
2.82

[ Vapour Pressure ]:
9.0±0.2 mmHg at 25°C

[ Index of Refraction ]:
1.527

[ Storage condition ]:
Flammables area

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS02

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H226

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
Xn: Harmful;

[ Risk Phrases ]:
R10

[ Safety Phrases ]:
S23-S24/25-S16

[ RIDADR ]:
UN 1993 3/PG 3

[ WGK Germany ]:
3

[ Packaging Group ]:
II

[ Hazard Class ]:
3

[ HS Code ]:
29349990

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Acetonylacetone
2,5-Dimethylfuran
5-Methyl-2-thiophenecarboxaldehyde
2,4-Hexadiene
trans-2-hexene
methylthiol
3-(1,1-dimethylethyl)-2,5-dimethylthiophene
Hydrochloric acid
[(η5-C5Me5)IrCl]2(μ-H)(μ-S-2-hexyl)

DownStream

Thiophene-2,5-dicarboxylic acid
3,4-bis(chloromethyl)-2,5-dimethylthiophene
3-Chloromethyl-2,5-dimethyl-thiophene
3,3'-methylenebis-(2,5-dimethyl-4-chloromethylthiophen)
2-chloro-1-(2,5-dimethylthiophen-3-yl)ethanone
2-Ethyl-5-methylthiophene
3-ethyl-2,5-dimethylthiophene
4,6,12,14-tetramethyl-9-oxa-5,13-dithiatricyclo<9.3.0.03,7>tetradeca-1(14),3,6,11-tetraene
6,8-dimethyl-1,5-dihydrothieno[3,4-e][1,3]dioxepine
2,3-DIMETHYL-1,3-BUTADIENE

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles

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