1,5-Dichloropentane

Also known as: 1,5-Dichloropentane, 1,5-dichloro-n-pentane, 1,5-dichloro-pentane, 1,5-Dichlorpentan, Amylene chloride, Pentamethylene dichloride, Pentamethylene chloride, Pentamethylendichlorid, Pentandiyldichlorid, Pentane, 1,5-dichloro-, Pentane,1,5-dichloro, pentarmethylene dichloride, MFCD00001017, EINECS 211-053-6

1,5-Dichloropentane (CAS 628-76-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H10Cl2 and a molecular weight of 141.039 g/mol. Key properties include a melting point of −72 °C(lit.), a boiling point of 180.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 26.7±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H301 — Toxic if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 628-76-2
Jingsj CID: J-33107-7
Molecular Formula: C₅H₁₀Cl₂
Molecular Weight: 141.039 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	−72 °C(lit.)
Boiling Point	180.0±0.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	26.7±0.0 °C
Exact Mass	140.015961
LogP	2.78
Vapor Pressure	1.2±0.3 mmHg at 25°C
Refractive Index	1.435
Additional Property	insoluble

GHS Safety & Compliance

Flammable / Acute ToxicitySignal word: Danger

H226 — Flammable liquid and vapour
H301 — Toxic if swallowed
H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 1,5-Dichloropentane?

The CAS number of 1,5-Dichloropentane is 628-76-2.

What are the molecular formula and molecular weight of 1,5-Dichloropentane?

1,5-Dichloropentane has molecular formula C5H10Cl2 and molecular weight 141.039 g/mol.

Is 1,5-Dichloropentane hazardous?

1,5-Dichloropentane has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H301 — Toxic if swallowed; H315 — Causes skin irritation.

What are the upstream and downstream products of 1,5-Dichloropentane?

For 1,5-Dichloropentane, Upstream Products: 1,5-Pentanediol, Dichloromethane, 1,1,1,5-tetrachloropentane; Downstream Products: 1-Phenylpiperidine, 5-Chloropentyl benzoate, 6-Chlorohexanoic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1,5-Dichloropentane (CAS 628-76-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33107-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.