thiophene-2,3- dicarbonitrile

Base Information

• Chemical Name: thiophene-2,3- dicarbonitrile
• CAS No.: 18853-42-4
• Molecular Formula: C6H2N2S
• Molecular Weight: 134.16
• Hs Code.: 2934999090
• Mol file: 18853-42-4.mol

Synonyms:2,3-Thiophenedicarbonitrile;

Chemical Property of thiophene-2,3- dicarbonitrile

Chemical Property:

• Vapor Pressure: 0.000113mmHg at 25°C
• Melting Point: 115-122℃
• Refractive Index: 1.596
• Boiling Point: 336.3 °C at 760 mmHg
• Flash Point: 157.2 °C
• PSA: 75.82000
• Density: 1.34 g/cm³
• LogP: 1.49146
• Storage Temp.: 2-8°C

Purity/Quality:

98% ^*data from raw suppliers

Thiophene-2,3-dicarbonitrile 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of thiophene-2,3- dicarbonitrile

There total 3 articles about thiophene-2,3- dicarbonitrile which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

2,3-dibromothiophen (3140-93-0) + copper(l) cyanide → 2,3-Dicyanothiophene (18853-42-4)

Guidance literature:

2,3-dibromothiophen; copper(l) cyanide; In N,N-dimethyl-formamide; at 150 ℃; Inert atmosphere;

With iron(III) chloride hexahydrate; at 80 ℃;

DOI:10.1002/ejic.201001094

Reference yield:

thiophene-2,3-dicarboxylic acid diamide (41056-96-6) → 2,3-Dicyanothiophene (18853-42-4)

Guidance literature:

With phosphorus pentoxide; at 190 ℃; under 3 Torr;

Reference yield:

→ 2,3-Dicyanothiophene (18853-42-4)

Guidance literature:

2,3-Dibromthiophen, CuCN;

DOI:10.1021/jo00443a018

upstream raw materials:

thiophene-2,3-dicarboxylic acid diamide

2,3-dibromothiophen

Downstream raw materials:

Thiophene-2,3-dicarbonylchloride

thiophene-2,3-dicarboxylic acid

Refernces