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3-ETHYL-2-METHYL-2-PENTENE

Also known as: 1.1-Dimethyl-2.2-diaethyl-aethylen, 2-METHYL-3-ETHYL-2-PENTENE, 2-Methyl-3-ethyl-2-pentene, 2-Pentene, 3-ethyl-2-methyl-, 2-Pentene,3-ethyl-2-methyl, 3-Aethyl-2-methyl-pent-2-en, 3-Isopropyliden-pentan, 3-ethyl-2-methyl-pent-2-ene, 3-ethyl-2-methylpent-2-ene

3-ETHYL-2-METHYL-2-PENTENE (CAS 19780-67-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H16 and a molecular weight of 112.21300 g/mol. Key properties include a boiling point of 117ºC at 760mmHg, a density of 0.729g/cm3 and a flash point of 15.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
19780-67-7
Jingsj CID
J-1415252-4
Molecular Formula
C8H16
Molecular Weight
112.21300 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point117ºC at 760mmHg
Density0.729g/cm3
Flash Point15.6ºC
Exact Mass112.12500
LogP3.14280
Vapor Pressure21.2mmHg at 25°C
Refractive Index1.419

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 3-ETHYL-2-METHYL-2-PENTENE?

The CAS number of 3-ETHYL-2-METHYL-2-PENTENE is 19780-67-7.

What are the molecular formula and molecular weight of 3-ETHYL-2-METHYL-2-PENTENE?

3-ETHYL-2-METHYL-2-PENTENE has molecular formula C8H16 and molecular weight 112.21300 g/mol.

What are the upstream and downstream products of 3-ETHYL-2-METHYL-2-PENTENE?

For 3-ETHYL-2-METHYL-2-PENTENE, Upstream Products: 3-Pentanone, 3-Ethyl-2-methyl-3-pentanol; Downstream Products: 2-methyl-2-pentene.

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

Last updated:

How to cite: Jingsj. "3-ETHYL-2-METHYL-2-PENTENE (CAS 19780-67-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1415252-4 (accessed 2026-11-09).

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