4-Penten-1-ol

Basic Information

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CAS Number

821-09-0

Molecular Formula

C5H10O

Molecular Weight

86.13 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

14.19°C (estimate)

Boiling Point

138°C

Density

0.834 g/mL at 25 °C

Water Solubility

Solubility in water: 57 g/L (25°C)

Solubility

57g/l (experimental)

Refractive Index

n20/D 1.429(lit.)

SMILES

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OCCCC=C

InChI

InChI=1S/C5H10O/c1-2-3-4-5-6/h2,6H,1,3-5H2

InChIKey

LQAVWYMTUMSFBE-UHFFFAOYSA-N

LogP

0.9449

Topological Polar Surface Area

20.23 Å²

Hydrogen Bond Donor/Acceptor

1 / 1

Complexity

32.9

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

4-Penten-1-ol
Pentenol
2-ALLYLETHYL ALCOHOL
4-Pentene-1-ol
pent-4-en-1-ol
(E)-4-pentadien-1-ol
4-Pentenol
4-Pentenol-1
4-Pentenyl alcohol
n-pentenyl alcohol
penten-4-en-1-ol
1-Hydroxy-4-pentene
1-Penten-5-ol
5-Hydroxy-1-pentene
NSC 97503

MDL Number

MFCD00002975

Customs Code

29052990

FAQ

What are the physical and chemical properties of 4-Penten-1-ol (CAS: 821-09-0)?

4-Penten-1-ol (CAS: 821-09-0) is a colorless liquid with a mild fruity odor. It has a molecular weight of 102.13 g/mol and a boiling point of 134.5°C. This compound is slightly soluble in water but miscible with most organic solvents. It is reactive towards acids and bases and can undergo addition and elimination reactions.

How is 4-Penten-1-ol (CAS: 821-09-0) typically synthesized?

4-Penten-1-ol can be synthesized via hydrogenation of 4-pentenal or by reduction of 4-pentenoic acid. Commonly, this involves using a reducing agent like sodium borohydride or lithium aluminum hydride. The reaction is carried out in a solvent such as methanol, providing a yield of up to 90%.

What industries use 4-Penten-1-ol (CAS: 821-09-0)?

4-Penten-1-ol (CAS: 821-09-0) is widely used in the pharmaceutical industry as a precursor for various drugs. It also finds applications in the polymer industry for synthesizing resins and adhesives, in the sensor industry for gas detection, and in the semiconductor industry as a cleaning agent.

What precautions should be taken when handling 4-Penten-1-ol (CAS: 821-09-0)?

When handling 4-Penten-1-ol (CAS: 821-09-0), ensure to use appropriate personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat. Store in a cool, well-ventilated area away from heat and ignition sources. Use a fume hood during operations. In case of spill, use absorbent materials and dispose of according to local regulations. Refer to the safety data sheet (SDS) for detailed handling instructions.