5-Chloro-2-pentanone

Name: 5-Chloro-2-pentanone
Brand: Vaqora Chemicals
SKU: VQ-008061

About 5-Chloro-2-pentanone

Listed under CAS 5891-21-4, 5-Chloro-2-pentanone is a carbonyl building block available from Vaqora Chemicals. Formula C5H9ClO, molecular weight 120.58 g/mol. The IUPAC name is 5-chloropentan-2-one. Common synonyms include 1-Chloro-4-pentanone and 3-Chloropropyl methyl ketone.

Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include organic synthesis, condensation and reductive amination and API intermediates. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. SDS and detailed specification sheets can be requested with your quotation. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

Organic synthesis
Condensation & reductive amination
API intermediates

Industries

Specifications & identifiers

Chemical identifiers
Product name	5-Chloro-2-pentanone
Catalogue No.	VQ-008061
CAS Number	5891-21-4
IUPAC name	5-chloropentan-2-one
Molecular formula	C₅H₉ClO
Molecular weight	120.58 g/mol
Exact mass	120.0342
Grade	Reference Standard
InChIKey	XVRIEWDDMODMGA-UHFFFAOYSA-N
SMILES	CC(=O)CCCCl
PubChem CID	79993

Physical properties
Physical form	Other
LogP (XLogP3)	0.8
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²
Synonyms	1-Chloro-4-pentanone, 3-Chloropropyl methyl ketone, 2-Pentanone, 5-chloro-, 2-Pentanone 5-chloro-, 5-chloro-pentan-2-one, 1-Chloro-4-oxopentane, 3-Acetylpropyl chloride, Methyl 3-chloropropyl ketone, 97% (stabilized with K2CO3), 5-Chloro-2-pentanone (>90%), 5-Chloro-2-pentanone, technical grade, 85%, 5-Chloropentan-2-one (stabilized with K2CO3)

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Warning

Hazard statements

H226Flammable liquid and vapor
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P210, P233, P240, P241, P242, P243, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P370 + P378

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 5-Chloro-2-pentanone?

The CAS Registry Number of 5-Chloro-2-pentanone is 5891-21-4. It is also known as 1-Chloro-4-pentanone, 3-Chloropropyl methyl ketone, 2-Pentanone, 5-chloro-.

What is the molecular formula and molecular weight of 5-Chloro-2-pentanone?

5-Chloro-2-pentanone has the molecular formula C5H9ClO and a molecular weight of 120.58 g/mol. Its IUPAC name is 5-chloropentan-2-one.

Which grade and pack sizes of 5-Chloro-2-pentanone can I order?

We supply 5-Chloro-2-pentanone in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 5-Chloro-2-pentanone?

Yes. Every lot of 5-Chloro-2-pentanone is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 5-Chloro-2-pentanone be shipped internationally?

Yes. 5-Chloro-2-pentanone is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.