5-Acetylthiophene-2-carboxylic acid Chemical Properties

Melting point:

210-212°C

Boiling point:

385.2±27.0 °C(Predicted)

Density 

1.383

storage temp. 

Keep in dark place,Sealed in dry,Room Temperature

solubility 

soluble in Methanol

form 

powder to crystal

pka

2.95±0.10(Predicted)

color 

White to Yellow

BRN 

128897

InChI

InChI=1S/C7H6O3S/c1-4(8)5-2-3-6(11-5)7(9)10/h2-3H,1H3,(H,9,10)

InChIKey

LIKIMWYKJUFVJP-UHFFFAOYSA-N

SMILES

C1(C(O)=O)SC(C(C)=O)=CC=1

CAS DataBase Reference

4066-41-5(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xi,Xn

Risk Statements 

36/37/38-22

Safety Statements 

26-36/37/39-36

Hazard Note 

Irritant

HS Code 

2934999090

MSDS

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5-Acetylthiophene-2-carboxylic acid Usage And Synthesis

Description

5-Acetylthiophene-2-carboxylic acid is a light yellow crystal with good thermal and chemical stability. It can be dissolved in various organic solvents, such as ethanol, ether, and chloroform, making it easy to handle and process in chemical reactions. It can be used as a raw material to synthesize compounds such as 5-Ethylthiophene-2-carboxylic acid.

Chemical Properties

cream to pale brown solid

Uses

5-Acetylthiophene-2-carboxylic acid is a intermediate used in the preparation of various 2,5-disubstituted thiophenes.

Synthesis Reference(s)

Journal of Heterocyclic Chemistry, 3, p. 104, 1966 DOI: 10.1002/jhet.5570030127

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