2,5-Thiophenedicarboxylic acid

Superiority:

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