C5H9ClO
120.58 g/mol
Industrial ChemicalWarning
5-Chloro-2-pentanone
CAS5891-21-4EC227-565-8
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
Chemical intermediate for synthesis
5-Chloro-2-pentanone is an industrial chemical used primarily as a chemical intermediate for synthesis. It is a halogenated ketone with a reactive chloroalkyl group, enabling its use in the preparation of other organic compounds.
Chemical intermediate for organic synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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Chemical intermediate
Safety Reference
Warning
H226Flammable liquid and vapour
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 5-Chloro-2-pentanone (CAS 5891-21-4) is 2914.79.
HS code (international, 6-digit)
2914.79
EU CN code (8-digit)
2914 79 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
5-chloropentan-2-one
InChIKey
XVRIEWDDMODMGA-UHFFFAOYSA-N
SMILES
CC(=O)CCCCl
Synonyms (15)
- 1-Chloro-4-oxopentane
- 1-Chloro-4-pentanone
- 2-Pentanone, 5-chloro-
- 3-Acetylpropyl chloride
- 3-Chloropropyl methyl ketone
- 5-Chloro-2-pentanone
- 5-Chloro-2-pentanone (>90%)
- 5-Chloropentan-2-one
- 97% (stabilized with K2CO3)
- Methyl 3-chloropropyl ketone
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