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4-methyl-1,3-pentadiene

Also known as: (CH3)2C=CHCH=CH2, 1,1-Dimethyl-1,3-butadiene, 1,3-Pentadiene, 4-methyl-, 1,3-pentadiene,4-methyl, 1,3-pentadiene,4-methyl-, 2-methyl-2,4-pentadiene, 2-methylpenta-2,4-diene, 4-METHYL-1,3-PENTADIENE, 4-METHYL-1,3-PENTADIENE 98%, 4-Methylpenta-1,3-diene, 4-methyl-3-pentadiene, 4-methyl-penta-1,3-diene, EINECS 213-137-8, MFCD00042861, dimethyl-butadiene

4-methyl-1,3-pentadiene (CAS 926-56-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H10 and a molecular weight of 82.14360 g/mol. Key properties include a boiling point of 75-77 °C, a density of 0.718 g/mL at 20 °C(lit.) and a flash point of -18 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
926-56-7
Jingsj CID
J-1027880-5
Molecular Formula
C6H10
Molecular Weight
82.14360 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point75-77 °C
Density0.718 g/mL at 20 °C(lit.)
Flash Point-18 °C
Exact Mass82.07830
LogP2.13860
Refractive Indexn20/D 1.452

Customs & Trade Information

HS Code2901299090
Summary2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

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

The CAS number of 4-methyl-1,3-pentadiene is 926-56-7.

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

4-methyl-1,3-pentadiene has molecular formula C6H10 and molecular weight 82.14360 g/mol.

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

Last updated:

How to cite: Jingsj. "4-methyl-1,3-pentadiene (CAS 926-56-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1027880-5 (accessed 2026-11-09).

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