THIOPHENE-3,4-DICARBOXYLIC ACID

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1 Gram	Negotiable

1 Gram

Negotiable

Min.Order :1 Gram
Purity: 95% purity
Payment Terms : T/T,Other

Keywords

THIOPHENE-3,4-DICARBOXYLIC ACID 4282-29-5 95% purity

Quick Details

Appearance:Crystalline Powder
Application:intermediate
PackAge:According to the need of packing
ProductionCapacity:100|Kilogram|Month
Storage:Keep in dark place,Sealed in dry,Room Temperature
Transportation:air,sea,courier

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

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