(E)-3-Methyl-1,3-pentadiene

Also known as: (3E)-3-Methyl-1,3-pentadiene, (3E)-3-Methylpenta-1,3-diene, 1,2,5-Thiadiazole,3,4-dimethyl, 1,2-dimethyl-butadiene, 1,3-Pentadiene, 3-methyl-, 1,3-Pentadiene, 3-methyl-, (3E)-, 1,3-Pentadiene, 3-methyl-, (E)-, 3,4-Dimethyl-1,2,5-thiadiazol, 3,4-Dimethyl-1,2,5-thiazole, 3,4-dimethyl-1,3-butadiene, 3-METHYL-1,3-PENTADIENE, 3-METHYL-1,3-PENTADIENE (CIS- AND TRANS- MIXTURE) 99+%, 3-METHYL-1,3-PENTADIENE, 98%, MIXTURE OF CIS AND TRANS, 3-Me-1,3-pentadiene, 3-Methyl-1,3-pentadiene, 3-Methyl-1,3-pentadiene (cis- and trans- mixture), 3-Methyl-1,3-pentadiene,mixture of cis and trans, 3-methyl-1,3-pentadiene, 3-methyl-1,3-pentadiene,mixtureofcisand, 3-methyl-penta-1,3-diene

(E)-3-Methyl-1,3-pentadiene (CAS 4549-74-0) 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 82.144 g/mol. Key properties include a boiling point of 77.0±0.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of -28.9±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4549-74-0
Jingsj CID: J-13322-2
Molecular Formula: C₆H₁₀
Molecular Weight: 82.144 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	77.0±0.0 °C at 760 mmHg
Density	0.7±0.1 g/cm3
Flash Point	-28.9±0.0 °C
Exact Mass	82.078247
LogP	2.94
Vapor Pressure	108.5±0.1 mmHg at 25°C
Refractive Index	1.422

Customs & Trade Information

HS Code	2901299090
Summary	2901299090 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 (E)-3-Methyl-1,3-pentadiene?

The CAS number of (E)-3-Methyl-1,3-pentadiene is 4549-74-0.

What are the molecular formula and molecular weight of (E)-3-Methyl-1,3-pentadiene?

(E)-3-Methyl-1,3-pentadiene has molecular formula C6H10 and molecular weight 82.144 g/mol.

What are the upstream and downstream products of (E)-3-Methyl-1,3-pentadiene?

For (E)-3-Methyl-1,3-pentadiene, Upstream Products: 3-Methyl-2,4-pentanediol, 3-methylpent-1-en-3-ol, 2-ETHYL-1,3-BUTADIENE.

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. "(E)-3-Methyl-1,3-pentadiene (CAS 4549-74-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13322-2 (accessed 2026-11-09).

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