2-Ethylthiophene

Basic Information

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CAS Number

872-55-9

Molecular Formula

C6H8S

Molecular Weight

112.2 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Melting Point

-66.9°C (estimate)

Boiling Point

132-134 °C

Density

0.99 g/mL at 25 °C

Water Solubility

Not miscible or difficult to mix with water.

Solubility

0.29g/l

Refractive Index

n20/D 1.512-1.514<br />n20/D 1.513(lit.)

SMILES

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CCc1cccs1

InChI

InChI=1S/C6H8S/c1-2-6-4-3-5-7-6/h3-5H,2H2,1H3

InChIKey

JCCCMAAJYSNBPR-UHFFFAOYSA-N

LogP

2.3105

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

52.1

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

Sensitiveness

Sensitive to light and air

Synonyms & References

English

2-Ethylthiophene
Thiophene, 2-ethyl-
2-Aethyl-thiophen
2-ETHYL-THIOPHENE
2-ETHYLTHIOPHENE FOR SYNTHESIS
ethyl thiophene
Thiophene,2-ethyl
2-Ethylthiophene (ACI)

MDL Number

MFCD00005461

Customs Code

29349990

FAQ

What regulatory guidelines apply to 2-Ethylthiophene (CAS: 872-55-9)?

2-Ethylthiophene (CAS: 872-55-9) is regulated under the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), REACH regulations in the EU, and FDA and EPA requirements in the USA. It is classified as a flammable liquid and requires appropriate safety data sheets (SDS) and labels. Compliance with local and national regulations is essential for handling and storage.

Are there alternatives to 2-Ethylthiophene (CAS: 872-55-9) in synthesis?

While 2-Ethylthiophene is a versatile intermediate in organic synthesis, alternatives such as 3-Ethylthiophene or other thiophenes can be used. In some cases, thioanisole or other thiols might serve as substitutes. The choice depends on the specific reaction conditions and desired product characteristics.

What is the market or research trend for 2-Ethylthiophene (CAS: 872-55-9)?

2-Ethylthiophene (CAS: 872-55-9) is in increasing demand for its use in the production of antioxidants, dyes, and pharmaceuticals. Research trends include developing more sustainable synthesis methods and exploring its use in new applications such as electronic materials and polymers. Market trends show steady growth due to its diverse applications and chemical properties.

How should waste containing 2-Ethylthiophene (CAS: 872-55-9) be handled?

Waste containing 2-Ethylthiophene (CAS: 872-55-9) should be collected in appropriate containers and stored in a well-ventilated area. It should be disposed of through professional waste disposal services that comply with local regulations. Incineration is an effective method if approved, but precautions must be taken to prevent environmental contamination. Always follow local environmental protection guidelines and safety protocols.