3-[2-(2-Propyn-1-yloxy)ethoxy]-1-propyne

Basic Information

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CAS Number

40842-04-4

Molecular Formula

C8H10O2

Molecular Weight

16.04 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Chemical Raw Materials Organic Chemicals Nitriles

Basic Physical Properties

Physical State

No data available

Melting Point

Not available

Boiling Point

88°C/15mmHg

Density

1.0±0.1 g/cm3

Flash Point

58.3±21.3 °C

Refractive Index

1.4550 to 1.4590

Vapor Pressure

1.0±0.3 mmHg at 25°C

SMILES

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C#CCOCCOCC#C

InChI

InChI=1S/C8H10O2/c1-3-5-9-7-8-10-6-4-2/h1-2H,5-8H2

InChIKey

RNHWCSPBGKGOLM-UHFFFAOYSA-N

LogP

0.6361

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

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

Ethylene Glycol 1,2-Bis(2-propynyl) Ether
1,2-Bis(2-propynyloxy)ethane
4,7-Dioxa-1,9-decadiyne
Bis-propargyl-PEG1

MDL Number

MFCD03640302

FAQ

What are the physical and chemical properties of 3-[2-(2-Propyn-1-yloxy)ethoxy]-1-propyne (CAS: 40842-04-4)?

3-[2-(2-Propyn-1-yloxy)ethoxy]-1-propyne (CAS: 40842-04-4) is a colorless liquid at room temperature. The molecular weight is approximately 216.24 g/mol. It has low water solubility but is soluble in organic solvents like ethanol and acetone. It is moderately reactive, showing亲电性和亲核性，但在大气条件下稳定性良好。

How is 3-[2-(2-Propyn-1-yloxy)ethoxy]-1-propyne (CAS: 40842-04-4) typically synthesized?

3-[2-(2-Propyn-1-yloxy)ethoxy]-1-propyne (CAS: 40842-04-4) can be synthesized via a multi-step process involving acetylenic reactions and substitution chemistry. Commonly, it is prepared from propyne and 2-(2-propyn-1-yloxy)ethanol using a palladium catalyst in a Suzuki coupling reaction. The yield is typically around 70-80%, with good selectivity towards the desired product.

What industries use 3-[2-(2-Propyn-1-yloxy)ethoxy]-1-propyne (CAS: 40842-04-4)?

3-[2-(2-Propyn-1-yloxy)ethoxy]-1-propyne (CAS: 40842-04-4) is used in the pharmaceutical industry for the synthesis of certain drug compounds. It also finds applications in polymer chemistry for the preparation of functional polymers and in sensor technology for the development of chemical sensors. Additionally, it is used in semiconductor manufacturing processes for specific etching and deposition steps.

What precautions should be taken when handling 3-[2-(2-Propyn-1-yloxy)ethoxy]-1-propyne (CAS: 40842-04-4)?

When handling 3-[2-(2-Propyn-1-yloxy)ethoxy]-1-propyne (CAS: 40842-04-4), it is essential to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. Work should be conducted in a well-ventilated area or a fume hood to minimize exposure. Spills should be cleaned up immediately using appropriate absorbent materials, and the area should be flushed with water. Always refer to the Safety Data Sheet (SDS) for detailed safety information and emergency procedures.