1-Pentene,2,3-dimethyl-

Also known as: 1-Pentene, 2,3-dimethyl-, 1-Pentene,2,3-dimethyl, 1-sec-butyl-1-methyl-ethylene, 2,3-DIMETHYL-1-PENTENE, 2,3-Dimethyl-1-penten, 2,3-Dimethyl-1-pentene, 2,3-Dimethyl-pent-1-en, 2,3-dimethyl-pent-1-ene, 2,3-dimethylpent-1-ene, 3-ETHYL-2-METHYL-1-BUTENE, 3-ETHYL-2-METHYL-1-BUTENE 99%, EINECS 222-285-2, MFCD00027075, Nsc74134

1-Pentene,2,3-dimethyl- (CAS 3404-72-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H14 and a molecular weight of 98.18610 g/mol. Key properties include a boiling point of 85 °C(lit.), a density of 0.707 g/mL at 20 °C and a flash point of -10 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3404-72-6
Jingsj CID: J-1993592-3
Molecular Formula: C₇H₁₄
Molecular Weight: 98.18610 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	85 °C(lit.)
Density	0.707 g/mL at 20 °C
Flash Point	-10 °C
Exact Mass	98.10960
LogP	2.60860
Refractive Index	n20/D 1.403

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 1-Pentene,2,3-dimethyl-?

The CAS number of 1-Pentene,2,3-dimethyl- is 3404-72-6.

What are the molecular formula and molecular weight of 1-Pentene,2,3-dimethyl-?

1-Pentene,2,3-dimethyl- has molecular formula C7H14 and molecular weight 98.18610 g/mol.

What are the upstream and downstream products of 1-Pentene,2,3-dimethyl-?

For 1-Pentene,2,3-dimethyl-, Upstream Products: 2-Bromopropene, sec-Butylmagnesium chloride, 2,3-Dimethylpentane; Downstream Products: 2,3-Dimethylpentane.

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. "1-Pentene,2,3-dimethyl- (CAS 3404-72-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993592-3 (accessed 2026-11-09).

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