ChemicalBook > Product Catalog > Catalyst and Auxiliary > Fluorescent brightener > 2,5-Thiophenedicarboxylic acid
2,5-Thiophenedicarboxylic acid
- Product Name:2,5-Thiophenedicarboxylic acid
- CAS:4282-31-9
- MF:C6H4O4S
- MW:172.16
- EINECS:224-284-2
- Mol File:4282-31-9.mol
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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)
- pka2.76±0.10(Predicted)
- form solid
- Water Solubility Very soluble in water.
- BRN 136781
- CAS DataBase Reference4282-31-9(CAS DataBase Reference)
- EPA Substance Registry System2,5-Thiophenedicarboxylic acid (4282-31-9)
- 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
- Language:EnglishProvider:Thiophene-2,5-dicarboxylic acid
- Language:EnglishProvider:ACROS
- Language:EnglishProvider:SigmaAldrich
- Language:EnglishProvider:ALFA
2,5-Thiophenedicarboxylic acid Usage And Synthesis
- Chemical Propertieswhite to light yellow crystal powder
- Synthesis Reference(s)Journal of the American Chemical Society, 72, p. 2109, 1950 DOI: 10.1021/ja01161a065
2,5-Thiophenedicarboxylic acid Preparation Products And Raw materials
- Raw materialsThionyl chlorideChlorobenzeneSodium sulfideAdipic acidSODIUM SULPHIDE HYDRATE
- Preparation ProductsFluorescent Brightener 184
- 3,4-Dihydroxy-2,5-thiophenedicarboxylic acid dipropyl ester 3 4-PROPYLENEDIOXYTHIOPHENE-2 5-DICARBO& RARECHEM AL BO 0453 2,5-Thiophenedicarboxylic acid disodium salt THIOPHENE-2,5-DICARBOXYLIC ACID MONOMETHYL ESTER TIMTEC-BB SBB000990 RARECHEM AL BI 0623 Thieno[3,4-b]-1,4-dioxin-5,7-dicarboxylic acid, 2,3-dihydro-, diethyl ester AKOS 93413 2,5-Thiophenedicarboxylic acid 2,5-PYRIDINEDICARBOXYLIC ACID EPA Cephalothin Tetrahydrothiophene Thifensulfuron Ascoric Acid Dicarboxylic Acid OXALIC ACID
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