3-Butyn-1-Ol | CAS No. 927-74-2

3-Butyn-1-Ol

Basic Information

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CAS Number

927-74-2

Molecular Formula

C4H6O

Molecular Weight

60.1 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Nitriles

Basic Physical Properties

Physical State

Liquid

Melting Point

−63.6 °C

Boiling Point

128.9 °C

Density

0.926 g/mL at 25 °C

Solubility

Miscible with alcohols and organic solvents. Immiscible with aliphatic hydrocarbon solvents.

Refractive Index

n20/D 1.441(lit.)

SMILES

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C#CCCO

InChI

InChI=1S/C3H8O/c1-2-3-4/h4H,2-3H2,1H3

InChIKey

BDERNNFJNOPAEC-UHFFFAOYSA-N

LogP

0.3887

Topological Polar Surface Area

20.23 Å²

Hydrogen Bond Donor/Acceptor

1 / 1

Complexity

47.9

Safety Information

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GHS Hazard Pictograms

H226

H315

H319

H335

Hazard Statement

H226 Flammable liquid and vapor
Flammable liquids

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class 3 (6.1) Class 3 (6.1)

Stability

Stable. Substances to be avoided include oxidizing agents, acids and acid anhydrides, copper and copper alloys. Flammable.

Synonyms & References

English

3-Butyn-1-ol
Butynol
(2-HYDROXYETHYL)ACETYLENE
But-3-yn-1-ol
1-butyn-3-ol
1-Butyn-4-ol
2-Hydroxyethylacetylene
3-Butyne-1-ol
3-Butynol
3-Butynyl alcohol
3-Bytyn-1-ol
4-Hydroxy-1-butyne
4-hydroxy-butyne
ethynylmethyl carbinol
homopropargyl alcohol
homopropargylic alcohol
1-Hydroxy-3-butyne
NSC 9708
(2-Hydroxyethyl)acetylene
3-Butyn-1-yl alcohol
bmse000362
A844341
F0001-2231
But-3-yn-1-ol;3-Butynol
3-BUTYN-1-OL
But3yn1ol
3-but-yn-1-ol
MFCD00002955
927-74-2
NSC9708
B0799

MDL Number

MFCD00002955

Customs Code

29052990

FAQ

What is 3-Butyn-1-Ol (CAS: 927-74-2)?

3-Butyn-1-Ol, with the CAS number 927-74-2, is an organic compound belonging to the alkyne family. Its chemical formula is C4H6O, and it features a terminal hydroxyl group attached to a butynyl chain. This compound is known for its characteristic ketone-like odor and is commonly used in chemical synthesis due to its reactivity. It is a liquid at room temperature and has a low boiling point, making it suitable for certain industrial processes.

What are the main uses of 3-Butyn-1-Ol (CAS: 927-74-2)?

3-Butyn-1-Ol is primarily used as an intermediate in the synthesis of various pharmaceuticals and fine chemicals. It finds applications in the production of flavoring agents, specialty solvents, and chemical reagents. In research settings, it is utilized for developing new compounds and testing chemical reactions. Its unique structure also makes it valuable in polymer science and organic synthesis.

Is 3-Butyn-1-Ol (CAS: 927-74-2) safe?

3-Butyn-1-Ol is generally considered safe when handled properly, but it requires caution due to its flammable and reactive nature. It should be used in well-ventilated areas and with appropriate protective equipment. Safety data sheets (SDS) indicate that it may cause irritation to the skin and eyes, and inhalation can be harmful. Always follow established safety protocols and storage guidelines to minimize risks.

How should 3-Butyn-1-Ol (CAS: 927-74-2) be stored?

3-Butyn-1-Ol should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat. It is best kept in a sealed container made of inert material such as glass or stainless steel. Maintain storage conditions at temperatures below 25°C and ensure humidity levels are low to prevent degradation. Avoid contact with incompatible substances to ensure stability and safety.