2-Ethynylthiophene Chemical Properties

Boiling point:

70℃/20Torr

Density 

1.080

refractive index 

n20/D1.580

Flash point:

42℃

storage temp. 

Keep in dark place,Sealed in dry,Store in freezer, under -20°C

form 

clear liquid

color 

Light yellow to Brown

InChIKey

LWISLHRIEATKTM-UHFFFAOYSA-N

CAS DataBase Reference

4298-52-6

Safety Information

Hazard Codes 

Xi

Risk Statements 

10-36/37/38-36

Safety Statements 

16-23-26-36/37/39

RIDADR 

UN 1993C 3 / PGIII

WGK Germany 

3

Hazard Note 

Irritant

HazardClass 

3

PackingGroup 

III

HS Code 

29349990

2-Ethynylthiophene Usage And Synthesis

Chemical Properties

Clear yellow liquid

Uses

2-Ethynylthiophene is used in preparation of triazole derivative as Hsp90 inhibitors and anti-cancer metastasis drugs.

Definition

ChEBI: 2-Ethynylthiophene is a heteroarene.

Synthesis Reference(s)

The Journal of Organic Chemistry, 41, p. 1487, 1976 DOI: 10.1021/jo00871a001
Synthesis, p. 589, 1996 DOI: 10.1055/s-1996-4265

2-Ethynylthiophene(4298-52-6)Related Product Information

• Cephalothin sodium
• Trimethylsilylacetylene
• Thiophene
• Tetrahydrothiophene
• Thifensulfuron
• Acetylene
• ETHYNYLMAGNESIUM BROMIDE
• 1-BUTEN-3-YNE
• Dibenzothiophene
• 3-ETHYNYLTHIOPHENE 96
• 1-[5-(2-PHENYLETH-1-YNYL)-2-THIENYL]ETHAN-1-ONE
• ATRELEUTON
• 1-{5-[3-(DIMETHYLAMINO)PROP-1-YNYL]-2-THIENYL}ETHAN-1-ONE
• 5-(2-PHENYLETH-1-YNYL)THIOPHENE-2-CARBALDEHYDE
• 2-[(4-BROMOPHENYL)ETHYNYL] THIOPHENE
• 1-[5-(3-HYDROXYPROP-1-YNYL)-2-THIENYL]ETHAN-1-ONE
• 1-[5-(3-HYDROXY-3-METHYLBUT-1-YNYL)-2-THIENYL]ETHAN-1-ONE
• 2-Ethynylthiophene