4-Chloro-1-butene

Basic Information

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CAS Number

927-73-1

Molecular Formula

C4H7Cl

Molecular Weight

90.55 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

-96°C (estimate)

Boiling Point

75°C

Density

0.896

Flash Point

-12 ºC

Refractive Index

1.4192

SMILES

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C=CCCCl

InChI

InChI=1S/C4H7Cl/c1-2-3-4-5/h2H,1,3-4H2

InChIKey

WKEVRZCQFQDCIR-UHFFFAOYSA-N

LogP

1.8013

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

24.8

Safety Information

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Hazard Statement

H225 Highly Flammable liquid and vapor
Flammable liquids

H302 Harmful if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Synonyms & References

English

1-Butene, 4-chloro-
4-Chloro-1-Butene
4-chlorobut-1-ene
1-Chloro-3-butene
3-Buten-1-yl chloride
3-Butenyl chloride
Allylcarbinyl chloride
Q63395605
1-but-3-enyl chloride
KSC487M9B
WKEVRZCQFQDCIR-UHFFFAOYSA-N
4-Chloro-1-butene (ACI)
NS00039486
EN300-262194
927-73-1
4-Chlorobut-1-ene
4-CHLORO-1-BUTENE
4-chloro-1-buten
4Chlorobut1ene
DB-057330
EINECS 213-160-3
LERCANIDIPINE IMPURITY 17
1Butene, 4chloro
C3611
DTXSID0061298
AKOS006274038
DTXCID8048812
MFCD00039386

MDL Number

MFCD00039386

Customs Code

2903299090

FAQ

What are the physical and chemical properties of 4-Chloro-1-butene (CAS: 927-73-1)?

4-Chloro-1-butene (CAS: 927-73-1) is a colorless to light yellow liquid with a slight odor. It has a molecular weight of 114.57 g/mol and a boiling point of 81.8°C. The compound is soluble in water and organic solvents. It reacts readily with nucleophiles and can undergo addition reactions. It is less reactive with bases and acids compared to alkenes.

How is 4-Chloro-1-butene (CAS: 927-73-1) typically synthesized?

4-Chloro-1-butene (CAS: 927-73-1) is usually synthesized via the hydrogenation of 4-chloro-1-butyne. Common methods include the addition of hydrogen gas over a nickel catalyst at elevated temperatures. This process provides good yield and selectivity. The reaction can also be carried out using palladium or platinum catalysts for better reactivity control.

What industries use 4-Chloro-1-butene (CAS: 927-73-1)?

4-Chloro-1-butene (CAS: 927-73-1) is used in various industries including pharmaceuticals for synthesis of drug intermediates, polymers for manufacturing resins, and as a precursor in the production of chemical sensors and semiconductors. It is also utilized in organic synthesis for preparing a range of functionalized compounds.

What precautions should be taken when handling 4-Chloro-1-butene (CAS: 927-73-1)?

When handling 4-Chloro-1-butene (CAS: 927-73-1), it is essential to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and protective clothing. Work should be conducted in a fume hood to minimize exposure. Spills should be managed carefully, and proper disposal methods should be followed. Always consult the Safety Data Sheet (SDS) for detailed information on handling and storage.