152487-69-9

152487-69-9 - Names and Identifiers

Name	Diethyl 3,4-dimethylthieno(2,3-b)thiophene-2,5-dicarboxylate
Synonyms	Diethyl3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarb Diethyl 3,4-dimethylthieno(2,3-b)thiophene-2,5-dicarboxylate DIETHYL 3,4-DIMETHYLTHIENO[2,3-B]THIOPHENE-2,5-DICARBOXYLATE 2,5-diethyl 3,4-diMethylthieno[2,3-b]thiophene-2,5-dicarboxylate 3,4-dimethylthieno(2,3-b)thiophene-2,5-dicarboxylic acid diethyl ester Thieno[2,3-b]thiophene-2,5-dicarboxylic acid, 3,4-dimethyl-, 2,5-diethyl ester
CAS	152487-69-9
InChI	InChI=1/C14H16O4S2/c1-5-17-12(15)10-7(3)9-8(4)11(13(16)18-6-2)20-14(9)19-10/h5-6H2,1-4H3

152487-69-9 - Physico-chemical Properties

Molecular Formula	C14H16O4S2
Molar Mass	312.4
Density	1.281
Melting Point	134-136°C
Boling Point	422.2°C at 760 mmHg
Flash Point	209.2°C
Vapor Presure	2.45E-07mmHg at 25°C
Storage Condition	2-8°C
Refractive Index	1.599

152487-69-9 - Introduction

Diethylene 3,4-dimethylthieno(2,3-b)thiophene-2,5-dicarboxylate is an organic compound. The following is a description of its nature, use, preparation and safety information:

Nature:
diethylene 3,4-dimethylthieno(2,3-b)thiophene-2,5-dicarboxylate is a solid substance. Its chemical formula is C12H14O4S, and the relative molecular mass is 266.3g/mol. It has a strong corrosive and pungent odor. It has good solubility and can be dissolved in some organic solvents. This compound decomposes at high temperatures.

Use:
Diethyl 3,4-dimethylthieno(2,3-b)thiophene-2,5-dicarboxylate has certain applications in the chemical industry. It can be used as an intermediate for pigments and dyes, and can also be used as a catalyst in synthetic organic synthesis reactions.

Method:
Diethyl 3,4-dimethylthieno(2,3-b)thiophene-2, the synthesis of 5-dicarboxylate is usually obtained by chemical reaction. The specific preparation method varies depending on the reaction conditions and the ratio of raw materials, and the common preparation methods include thermal condensation polymerization or carboxylic acid esterification.

Safety Information:
Diethyl 3,4-dimethylthieno(2,3-b)thiophene-2,5-dicarboxylate is corrosive, please avoid contact with skin, eyes and respiratory system. Personal protective equipment, such as chemical glasses, gloves and protective masks, should be properly worn during use. At the same time, store it in a cool, dark, well-ventilated place, away from fire and flammable materials. This compound should be handled in compliance with relevant regulations, such as proper disposal of waste. If leakage or contact with skin, eyes and other unexpected conditions, should immediately rinse with plenty of water, and seek medical help.

Last Update：2024-04-10 22:29:15