2-Ethynylthiophene

Basic Information

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CAS Number

4298-52-6

Molecular Formula

C6H4S

Molecular Weight

16.04 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Nitriles

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Boiling Point

46°C/15mmHg

Refractive Index

n20/D 1.580

SMILES

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C#CC1=CC=CS1

InChI

InChI=1S/C6H4S/c1-2-6-4-3-5-7-6/h1,3-5H

InChIKey

LWISLHRIEATKTM-UHFFFAOYSA-N

LogP

0.6361

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

Safety Information

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GHS Hazard Pictograms

H226

Hazard Statement

H226 Flammable liquid and vapor
Flammable liquids

Hazard Class

Class 3 Class 3

Synonyms & References

English

AKOS010651593
A826100
(2-Thienyl)acetylene
LWISLHRIEATKTM-UHFFFAOYSA-N
2-ethynylthiophene, AldrichCPR
AMY15557
PS-9283
2-ethynyl-thiophene
4298-52-6
SCHEMBL168703
SY021631
CHEBI:167071
2-thienylethine
FT-0645320
SB66967
EN300-199717
CS-W011286
DTXSID40412961
J-509349
2-ethynylthiophene, 90%
E0915
2-Ethynylthiophene
2-thiophenylacetylene
2-Acetylenylthiophene
MFCD03425129
(thiophen-2-yl)acetylene
ethynylthiophene
thienylacetylene
Thiophene,2-ethynyl
2-Acetylenethiophene
2-Thienylacetylene

MDL Number

MFCD03425129

Customs Code

2934999090

FAQ

What is 2-Ethynylthiophene (CAS: 4298-52-6)?

2-Ethynylthiophene (CAS: 4298-52-6) is an organic compound with the molecular formula C4H4S. It is a thiophene derivative with an ethynyl substituent. This compound has a distinctive odor and is used in various industrial applications, including organic synthesis and as a precursor in the production of other chemicals.

What are the main uses of 2-Ethynylthiophene (CAS: 4298-52-6)?

2-Ethynylthiophene (CAS: 4298-52-6) is primarily used in the pharmaceutical and chemical industries as a precursor for the synthesis of other organic compounds. It is also utilized in the production of dyes and other materials that require specific chemical functionalities.

Is 2-Ethynylthiophene (CAS: 4298-52-6) safe?

2-Ethynylthiophene (CAS: 4298-52-6) can be safe to handle with appropriate precautions. It is important to avoid contact with skin and eyes, and to handle it in a well-ventilated area. Protective gloves and safety goggles should be worn during handling. Exposure to high temperatures may lead to decomposition, so it should be stored away from heat sources.

How should 2-Ethynylthiophene (CAS: 4298-52-6) be stored?

2-Ethynylthiophene (CAS: 4298-52-6) should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in a tightly sealed container to prevent exposure to air and moisture. Storage should be at room temperature (15-25°C) and below 30°C. Avoid storing in a humid environment to prevent degradation.