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THIOPHENE-3,4-DICARBOXYLIC ACID CAS NO.4282-29-5
- Min.Order: 1 Gram
- Payment Terms: T/T,MoneyGram,Other
- Product Details
Keywords
- THIOPHENE-3,4-DICARBOXYLIC ACID
- 4282-29-5
- 95% purity
Quick Details
- ProName: THIOPHENE-3,4-DICARBOXYLIC ACID
- CasNo: 4282-29-5
- Molecular Formula: C6H4O4S
- Appearance: Crystalline Powder
- Application: intermediate
- DeliveryTime: in stock
- PackAge: According to the need of packing
- Port: Shanghai
- ProductionCapacity: 100 Kilogram/Month
- Purity: 95% purity
- Storage: Keep in dark place,Sealed in dry,Room ...
- Transportation: air,sea,courier
- LimitNum: 1 Gram
- Grade: Industrial Grade,Pharma Grade,Electron...
Superiority
Product Name: THIOPHENE-3,4-DICARBOXYLIC ACID
Synonyms: 3,4-THIOPHENEDICARBOXYLIC ACID;THIOPHENE-3,4-DICARBOXYLIC ACID;3,4-Thiophenedicarboxylic acid,97%;3,4-Dicarboxythiophene;3,4-Thiophenedicarboxylic acid ,98%;THIOPHENE-3,4-DICARBOXYLATE;100G,500G,1KG,10KG;THIOPHENE-3,4-DICARBOXY
CAS: 4282-29-5
MF: C6H4O4S
MW: 172.16
EINECS:
Product Categories: Building Blocks;Carboxy;Acids and Derivatives;Heterocycles;API intermediates;Thiophene
Mol File: 4282-29-5.mol
Details
Melting point 227-231 °C
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 3.36±0.20(Predicted)
form Crystalline Powder
color Yellow to beige-pinkish or light brown
λmax 240nm(H2O)(lit.)
InChIKey ZWWLLYJRPKYTDF-UHFFFAOYSA-N
Raw materials N,N-Dimethylformamide-->Ferric chloride-->Copper(I) Cyanide-->3,4-Dibromothiophene-->2-Butenedioic acid, 2,3-dimethyl-, dimethyl ester, (2Z)--->diethyl 2-(diethoxymethyl)butanedioate-->2-(Diethoxymethyl)-3-formylbutanedioic acid diethyl ester-->3,4-Diiodothiophene-->3,4-Thiophenedicarboxylic acid, diMethyl ester-->DIETHYL FORMYLSUCCINATE-->2,3-Dimethylmaleic anhydride-->3,4-DICYANOTHIOPHENE,-->3,4-Thiophenedicarboxylic acid, diethyl ester-->3,4-Thiophenedicarboxylic acid, 2,5-dihydro-, dimethyl ester-->CARBON DIOXIDE
Preparation Products 1,3-Dibromo-5-octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione-->4-BROMOTHIOPHENE-3-CARBOXYLIC ACID