2-Ethynylthiophene

Modify Date: 2025-08-23 15:54:44

2-Ethynylthiophene Structure
2-Ethynylthiophene structure
 Common Name 2-Ethynylthiophene
CAS Number 4298-52-6 Molecular Weight 108.161
Density 1.1±0.1 g/cm3 Boiling Point 150.0±13.0 °C at 760 mmHg
Molecular Formula C6H4S Melting Point N/A
MSDS Chinese USA Flash Point 28.4±6.0 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name 2-Ethynylthiophene
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 150.0±13.0 °C at 760 mmHg
Molecular Formula C6H4S
Molecular Weight 108.161
Flash Point 28.4±6.0 °C
Exact Mass 108.003372
PSA 28.24000
LogP 2.08
Vapour Pressure 5.0±0.3 mmHg at 25°C
Index of Refraction 1.571
Storage condition Store Cold

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H319
Precautionary Statements P305 + P351 + P338
Hazard Codes Xi: Irritant;
Risk Phrases R10;R36/37/38
Safety Phrases S16-S23-S26-S36/37/39
RIDADR UN 1993C 3 / PGIII
Packaging Group III
HS Code 2934999090

 Synthetic Route

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

ethynylthiophene
2-Acetylenylthiophene
thienylacetylene
(2-Thienyl)acetylene
Thiophene, 2-ethynyl-
Thiophene,2-ethynyl
2-Ethynylthiophene
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Chemsrc provides 2-Ethynylthiophene(CAS#:4298-52-6) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 2-Ethynylthiophene are included as well.>> amp version: 2-Ethynylthiophene

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