116170-84-4

116170-84-4 - Names and Identifiers

Name	ETHYL 4-CYANO-5-(METHYLTHIO)THIOPHENE-2-CARBOXYLATE
Synonyms	Ethyl 4-cyano-5-(methylthio) ETHYL 4-CYANO-5-(METHYLTHIO)THIOPHENE-2-CARBOXYLATE Ethyl 4-cyano-5-(methylsulfanyl)thiophene-2-carboxylate Ethyl 3-cyano-2-(methylsulfanyl)thiophene-5-carboxylate 4-Cyano-5-methylsulfanylthiophene-2-carboxylic acid ethyl ester 2-Thiophenecarboxylic acid, 4-cyano-5-(methylthio)-, ethyl ester
CAS	116170-84-4
InChI	InChI=1/C9H9NO2S2/c1-3-12-8(11)7-4-6(5-10)9(13-2)14-7/h4H,3H2,1-2H3

116170-84-4 - Physico-chemical Properties

Molecular Formula	C9H9NO2S2
Molar Mass	227.3
Density	1.31
Melting Point	98-100°C
Boling Point	370.2°C at 760 mmHg
Flash Point	177.7°C
Vapor Presure	1.13E-05mmHg at 25°C
Storage Condition	2-8°C
Refractive Index	1.584
MDL	MFCD01859680

116170-84-4 - Risk and Safety

UN IDs	UN3439
Hazard Class	6.1
Packing Group	III

116170-84-4 - Introduction

Ethyl 4-cyano-5-methylthiophene-2-carboxylate is an organic compound with the chemical formula C10H7NO2S2. The following is a detailed description of its nature, use, formulation and safety information:

Nature:
-Appearance: Colorless to light yellow liquid
-Melting point:-29 ℃
-Boiling point: 257 ℃
-Density: 1.326g/cm³
-Solubility: Good solubility in common organic solvents

Use:
4-cyano-5-methylthiophene-2-carboxylic acid ethyl ester is commonly used as an organic synthesis intermediate. It can be used to synthesize biologically active compounds and functional materials. In addition, it can also be used to prepare organic photoelectric devices, organic solar cells, etc.

Method:
The preparation of 4-cyano-5-methylthiophene-2-carboxylic acid ethyl ester is generally carried out by the following steps:
1. In the presence of potassium carbonate, 4-cyano-5-methylthiophene-2-carboxylic acid reacts with ethyl bromoacetate to produce the corresponding esterification product.
2. Further hydrolysis reaction with ethyl acetate to obtain ethyl 4-cyano-5-methylthio-thiophene-2-carboxylate.

Safety Information:
-4-cyano-5-methylthiophene-2-carboxylic acid ethyl ester is an organic compound with certain toxicity.
-Appropriate protective measures should be taken during operation, including wearing protective glasses and gloves.
-Avoid contact with skin and eyes. In case of contact, rinse immediately with plenty of water and seek medical help.
-When stored, it should be kept sealed, away from fire and oxidizing agents, and avoid heat, fire or high temperature conditions.
-Please handle and dispose in accordance with relevant regulations.

Last Update：2024-04-10 22:29:15