4,5-dimethylthiophene-2-carboxaldehyde

Modify Date: 2025-08-25 17:24:09

4,5-dimethylthiophene-2-carboxaldehyde Structure
4,5-dimethylthiophene-2-carboxaldehyde structure
 Common Name 4,5-dimethylthiophene-2-carboxaldehyde
CAS Number 5928-48-3 Molecular Weight 140.20300
Density 1.179 Boiling Point 80ºC
Molecular Formula C7H8OS Melting Point N/A
MSDS Chinese USA Flash Point 82-85ºC
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name 4,5-dimethylthiophene-2-carboxaldehyde
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.179
Boiling Point 80ºC
Molecular Formula C7H8OS
Molecular Weight 140.20300
Flash Point 82-85ºC
Exact Mass 140.03000
PSA 45.31000
LogP 2.17740
Index of Refraction 1.579
InChIKey QSBBXKVGLJSGAJ-UHFFFAOYSA-N
SMILES Cc1cc(C=O)sc1C

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xn
Risk Phrases R22
RIDADR NONH for all modes of transport
HS Code 2934999090

 Synthetic Route

3-Methylthiophene-2-aldehyde structure

3-Methylthiophe...

CAS#:5834-16-2

~%

4,5-dimethylthiophene-2-carboxaldehyde Structure

4,5-dimethylthi...

CAS#:5928-48-3

Literature: Journal of Organic Chemistry, , vol. 14, p. 638,639
2,3-Dimethylthiophene structure

2,3-Dimethylthi...

CAS#:632-16-6

N-Methylformanilide structure

N-Methylformanilide

CAS#:93-61-8

~%

4,5-dimethylthiophene-2-carboxaldehyde Structure

4,5-dimethylthi...

CAS#:5928-48-3

Literature: Journal of Organic Chemistry, , vol. 14, p. 638,639

 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

4,5-dimethylthiophene-2-carbaldehyde
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