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1,1-Dichloro-4-methyl-1,3-pentadiene

Also known as: 1,1-Dichloro-4-methylpenta-1,3-diene, 1,3-Pentadiene, 1,1-dichloro-4-methyl-, EINECS 259-745-7

1,1-Dichloro-4-methyl-1,3-pentadiene (CAS 55667-43-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H8Cl2 and a molecular weight of 151.034 g/mol. Key properties include a boiling point of 168.5±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 62.4±13.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
55667-43-1
Jingsj CID
J-1472438-0
Molecular Formula
C6H8Cl2
Molecular Weight
151.034 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point168.5±13.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point62.4±13.8 °C
Exact Mass150.000305
LogP3.39
Vapor Pressure2.1±0.3 mmHg at 25°C
Refractive Index1.485

Frequently Asked Questions

What is the CAS number of 1,1-Dichloro-4-methyl-1,3-pentadiene?

The CAS number of 1,1-Dichloro-4-methyl-1,3-pentadiene is 55667-43-1.

What are the molecular formula and molecular weight of 1,1-Dichloro-4-methyl-1,3-pentadiene?

1,1-Dichloro-4-methyl-1,3-pentadiene has molecular formula C6H8Cl2 and molecular weight 151.034 g/mol.

What are the upstream and downstream products of 1,1-Dichloro-4-methyl-1,3-pentadiene?

For 1,1-Dichloro-4-methyl-1,3-pentadiene, Upstream Products: 1,1,1,3-Tetrachloro-4-methylpentane; Downstream Products: dimethyl maleate, Dimethyl fumarate, 1,2,3,4,5,6-Benzenehexacarboxylicacid, 1,2,3,4,5,6-hexamethyl ester.

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

Last updated:

How to cite: Jingsj. "1,1-Dichloro-4-methyl-1,3-pentadiene (CAS 55667-43-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1472438-0 (accessed 2026-11-09).

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