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Safety Information

247766

Sigma-Aldrich

3-Thiophenecarboxylic acid

99%

Synonym(s):

β-Thiophenecarboxylic acid, β-Thiophenic acid, 3-Carboxythiophene, 3-Thenoic acid, 3-Thienylcarboxylic acid, Thiophene-3-carboxylic acid

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About This Item

Empirical Formula (Hill Notation):
C5H4O2S
CAS Number:
Molecular Weight:
128.15
Beilstein:
1994
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

99%

mp

136-141 °C (lit.)

solubility

water: soluble 0.2 g/10 mL, clear to almost clear, colorless to slightly brownish-yellow

functional group

carboxylic acid

SMILES string

OC(=O)c1ccsc1

InChI

1S/C5H4O2S/c6-5(7)4-1-2-8-3-4/h1-3H,(H,6,7)

InChI key

YNVOMSDITJMNET-UHFFFAOYSA-N

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General description

Mechanism of photopolymerization of 3-thiophenecarboxylic acid catalyzed by potassium dichromate has been reported.

Application

3-Thiophenecarboxylic acid has been used in the preparation of:
  • novel acetylene monomer, required for the synthesis of poly(2-methylbut-2-enyl thiophene-3-carboxylate)
  • oxazolines and oxazoles

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

247766-VAR:
247766-1G:
247766-BULK:
247766-250MG:
247766-5G:


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