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HomeProduct name list5-Acetylthiophene-2-carboxylic acid

5-Acetylthiophene-2-carboxylic acid

  • CAS NO.:4066-41-5
  • Empirical Formula: C7H6O3S
  • Molecular Weight: 170.19
  • MDL number: MFCD00055512
  • EINECS: 609-857-0
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-07-30 17:04:37
5-Acetylthiophene-2-carboxylic acid Structural

What is 5-Acetylthiophene-2-carboxylic acid?

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

The Uses of 5-Acetylthiophene-2-carboxylic acid

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

Properties of 5-Acetylthiophene-2-carboxylic acid

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)
CAS DataBase Reference 4066-41-5(CAS DataBase Reference)

Safety information for 5-Acetylthiophene-2-carboxylic acid

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.

Computed Descriptors for 5-Acetylthiophene-2-carboxylic acid

InChIKey LIKIMWYKJUFVJP-UHFFFAOYSA-N
SMILES C1(C(O)=O)SC(C(C)=O)=CC=1

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