4,5-Dimethylthiophene-2-carboxylicacid

Modify Date: 2024-01-10 12:14:57

4,5-Dimethylthiophene-2-carboxylicacid Structure
4,5-Dimethylthiophene-2-carboxylicacid structure
Common Name 4,5-Dimethylthiophene-2-carboxylicacid
CAS Number 40808-24-0 Molecular Weight 156.20200
Density 1.259 g/cm3 Boiling Point 290.6ºC at 760 mmHg
Molecular Formula C7H8O2S Melting Point 206-211°C
MSDS N/A Flash Point 129.5ºC

 Names

Name 4,5-Dimethylthiophene-2-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.259 g/cm3
Boiling Point 290.6ºC at 760 mmHg
Melting Point 206-211°C
Molecular Formula C7H8O2S
Molecular Weight 156.20200
Flash Point 129.5ºC
Exact Mass 156.02500
PSA 65.54000
LogP 2.06310
Storage condition 2-8°C

 Safety Information

Hazard Codes Xi: Irritant;
Risk Phrases R36
Safety Phrases S26
HS Code 2934999090

 Synthetic Route

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4,5-Dimethylthiophene-2-carboxylicacid Structure

4,5-Dimethylthi...

CAS#:40808-24-0

Literature: Sice Journal of Organic Chemistry, 1954 , vol. 19, p. 70,72

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4,5-Dimethylthiophene-2-carboxylicacid Structure

4,5-Dimethylthi...

CAS#:40808-24-0

Literature: Lozac'h; Mollier Bulletin de la Societe Chimique de France, 1959 , p. 1389

 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%

 Synonyms

MFCD00512748
4,5-dimethylthiophene-2-carboxylic acid