2-ETHYL-1,3-BUTADIENE

Also known as: 1,3-BUTADIENE,2-ETHYL, 1-Pentene, 3-methylene-, 1-Pentene,3-methylene, 1-pentene,3-methylene-, 2-Ethylbuta-1,3-dien, 2-Ethylbuta-1,3-diene, 2-Ethylbutadiene, 2-Vinyl-1-butene, 2-ethyl-3-butadiene, 2-ethylbuta-1,3-diene, 2-ethylbutadiene, 3-methylene-1-penten, 3-methylidenepent-1-ene, C2H5C(=CH2)CH=CH2, ethyl-2 butadiene-1,3, ethylbutadiene

2-ETHYL-1,3-BUTADIENE (CAS 3404-63-5) 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 75ºC at 760mmHg and a density of 0.698g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3404-63-5
Jingsj CID: J-1360249-8
Molecular Formula: C₆H₁₀
Molecular Weight: 82.14360 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	75ºC at 760mmHg
Density	0.698g/cm3
Exact Mass	82.07830
LogP	2.13860
Refractive Index	1.41

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 2-ETHYL-1,3-BUTADIENE?

The CAS number of 2-ETHYL-1,3-BUTADIENE is 3404-63-5.

What are the molecular formula and molecular weight of 2-ETHYL-1,3-BUTADIENE?

2-ETHYL-1,3-BUTADIENE has molecular formula C6H10 and molecular weight 82.14360 g/mol.

What are the upstream and downstream products of 2-ETHYL-1,3-BUTADIENE?

For 2-ETHYL-1,3-BUTADIENE, Upstream Products: 2-Ethylacrolein, 3-methylpent-1-en-3-ol, Triisobutylaluminum; Downstream Products: (E)-3-Methyl-1,3-pentadiene, 2-Ethylacrolein, 1-Penten-3-one.

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. "2-ETHYL-1,3-BUTADIENE (CAS 3404-63-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360249-8 (accessed 2026-11-09).

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