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2-Thiophenecarboxylic Acid (527-72-0) C5H4O2S

  • Chemical Name: 2-Thiophenecarboxylic acid
  • CAS No.:527-72-0
  • MF: C5H4O2S
  • MW: 128.15
  • Purity: >98% or As customer requested
  • Product Categories: Intermediates & Fine Chemicals; Pharmaceuticals; Pharma Intermediates; Thiophene Compounds
  • Test method: HPLC
Basic information 
Product Name: 2-Thiophenecarboxylic acid
Synonyms: 2-Thenoic Acid; 2-Thiophenic Acid; Thiophene-2-carboxylic acid; ALPHA-THENOIC ACID; 2-THENOIC ACID; 2-THIOPHENIC ACID; 2-THIOPHENECARBOXYLIC ACID
CAS: 527-72-0
MW: 128.15
EINECS: 208-423-4
Product Categories: Intermediates & Fine Chemicals; Pharmaceuticals; Pharma Intermediates; Thiophene Compounds
Chemical Structure
2-Thiophenecarboxylic acid            
Chemical Properties  
Melting point  125-127 °C(lit.)
Boiling point  260 °C(lit.)
density  1.42
refractive index  1.5160 (estimate)
Fp  259-261°C
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
form  solid
pka 3.49(at 25℃)
Water Solubility  80 g/L (20 ºC)
Merck  14,9354
BRN  110150
Usage And Synthesis     
Chemical Properties white to light yellow crystal powder
Definition ChEBI: A thiophenecarboxylic acid in which the carboxy group is located at position 2.
Technical Support & Resources
Information provided in the product description is from published literature. Due to the nature of scientific experimentation, your results (e.g., selectivity and effective concentrations) or specific application for this product may differ. If you have questions about how this product fits your application, please contact our technical support staff.

MSDS: MSDS available.

COA: COA can be available if you send us inquiry.

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