4-Chlorobutanoyl chloride

Basic Information

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CAS Number

4635-59-0

Molecular Formula

C4H6Cl2O

Molecular Weight

141 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

-47 ºC

Boiling Point

173-174 ºC

Water Solubility

soluble in diethyl ether, ethanol, slightly soluble in water.

Flash Point

85 ºC

Refractive Index

1.4605-1.4625

Vapor Pressure

3 mm Hg ( 20 °C)

SMILES

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C(CC(=O)Cl)CCl

InChI

InChI=1S/C4H6Cl2O/c5-3-1-2-4(6)7/h1-3H2

InChIKey

CDIIZULDSLKBKV-UHFFFAOYSA-N

LogP

1.7708

Topological Polar Surface Area

17.07 Å²

Hydrogen Bond Donor/Acceptor

0 / 1

Complexity

62.7

Safety Information

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GHS Hazard Pictograms

H302

H314

H330

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H314 Causes severe skin burns and eye damage
Skin corrosion/irritation

H330 Fatal if inhaled
Acute toxicity, inhalation

Hazard Class

Class 6.1 Class 6.1

Sensitiveness

Moisture Sensitive

Explosive Limit

5.5-11.7%(V)

Synonyms & References

English

Butanoyl chloride, 4-chloro-
?-Chlorobutyryl chloride
4-Chlorobutyryl chloride
4-Chlorobutanoyl chloride
gamma-chlorobutyric acid chloride
CDIIZULDSLKBKV-UHFFFAOYSA-
C4H6Cl2O
Butyryl chloride, 4-chloro-
4-Chlorobutyryl chloride, 99%
AKOS000119223
BP-30169
?-Chlorobutyroyl chloride
EINECS 225-059-1
AMY25684
.OMEGA.-CHLOROBUTYRYL CHLORIDE
.GAMMA.-CHLOROBUTYRYL CHLORIDE [HSDB]
4-chlorobutanoylchloride
.gamma.-Chloro-n-butyryl chloride
4-Chlorobutyl chloride
4-chlorobutyric chloride
EN300-18995
Q27256529
.OMEGA.-CHLOROBUTANOYL CHLORIDE
DTXSID6052114
?-Chlorobutanoyl chloride
4-chlorobutyrylchloride
NS00006702
.gamma.-Chlorobutyryl chloride
gamma-Chlorobutyroyl chloride
MFCD00000754
SCHEMBL72850

MDL Number

MFCD00000754

Customs Code

29159080

FAQ

What is 4-Chlorobutanoyl chloride (CAS: 4635-59-0)?

4-Chlorobutanoyl chloride (CAS: 4635-59-0) is an organic compound with the chemical formula C5H9ClO. It is a colorless liquid and a reactive acyl chloride derivative, commonly used as an intermediate in chemical synthesis. The molecule features a chloro group attached to the fourth carbon of the butanoyl chain, making it valuable in pharmaceutical and industrial applications.

What are the main uses of 4-Chlorobutanoyl chloride (CAS: 4635-59-0)?

4-Chlorobutanoyl chloride (CAS: 4635-59-0) is primarily used in pharmaceuticals for synthesizing drug molecules, in organic chemistry as an acylating agent, and in industrial processes for producing polymers and pesticides. Its reactivity makes it a key building block in research for creating complex chemical structures and functional groups.

Is 4-Chlorobutanoyl chloride (CAS: 4635-59-0) safe?

4-Chlorobutanoyl chloride (CAS: 4635-59-0) requires careful handling due to its corrosive nature and potential to cause skin, eye, and respiratory irritation. Safety standards emphasize using personal protective equipment (PPE), working in a well-ventilated area, and adhering to OSHA guidelines. It is classified as a hazardous chemical, necessitating proper training and storage to minimize risks.

How should 4-Chlorobutanoyl chloride (CAS: 4635-59-0) be stored?

4-Chlorobutanoyl chloride (CAS: 4635-59-0) should be stored in a cool (below 25°C), dry, and dark environment in a sealed, airtight container. It is sensitive to moisture and light, so maintaining low humidity and avoiding exposure to air is crucial. Store away from incompatible materials and ensure proper ventilation to preserve stability and safety.