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Appearance:solid
Throughput:100|Metric Ton|Day
pd_productuse:intermediate
Delivery Time:instock
Purity:99%
Product Name: 2,5-Thiophenedicarboxylic acid
Synonyms: 2,5-Thiophenedicarbo;Thiophene -2,5- twocarboxylic acid;2,5-Thiophenedicarboxylic Acid, 97+%;2,5-Thiophenedicarboxylic acid 99%;2,5-Thiophenedicarboxylic acid,96%;TH-2COOH;2,5-DICARBOXYTHIOPHENE;2,5-THIOPHENEDICARBOXYLIC ACID
CAS: 4282-31-9
MF: C6H4O4S
MW: 172.16
EINECS: 224-284-2
Product Categories: Functional Materials;Reagents for Conducting Polymer Research;Thiophene Derivatives (for Conduting Polymer Research);Thiophen;Building Blocks;Heterocyclic Building Blocks;Thiophenes;FINE Chemical & INTERMEDIATES;Heterocycles;Thiophene&Benzothiophene;Organic acids;Heterocyclic Compounds;Thiophens
Mol File: 4282-31-9.mol
2,5-Thiophenedicarboxylic acid Structure
2,5-Thiophenedicarboxylic acid Chemical Properties
Melting point >300 °C (lit.)
Boiling point 272.46°C (rough estimate)
density 1.473 (estimate)
refractive index 1.5500 (estimate)
storage temp. Keep in dark place,Sealed in dry,Room Temperature
pka 2.76±0.10(Predicted)
form solid
Water Solubility Very soluble in water.
BRN 136781
CAS DataBase Reference 4282-31-9(CAS DataBase Reference)
EPA Substance Registry System 2,5-Thiophenedicarboxylic acid (4282-31-9)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36-37/39
WGK Germany 3
Hazard Note Irritant
TSCA Yes
HazardClass IRRITANT
HS Code 29349990
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