3,4-DIMETHYLHEPTANE

Also known as: 3,4-DIMETHYL HEPTANE 99%, 3,4-Dimethylheptane, 3,4-Dimethylheptane >, 3,4-dimethylheptane, MFCD00048736, NSC 158678, heptane,3,4-dimethyl-

3,4-DIMETHYLHEPTANE (CAS 922-28-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H20 and a molecular weight of 128.25500 g/mol. Key properties include a boiling point of 140.7ºC at 760mmHg, a density of 0.721g/cm3 and a flash point of 60ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 922-28-1
Jingsj CID: J-1149955-1
Molecular Formula: C₉H₂₀
Molecular Weight: 128.25500 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	140.7ºC at 760mmHg
Density	0.721g/cm3
Flash Point	60ºC
Exact Mass	128.15700
LogP	3.46870
Refractive Index	1.405

Customs & Trade Information

HS Code	2901100000
Summary	2901100000 saturated 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 3,4-DIMETHYLHEPTANE?

The CAS number of 3,4-DIMETHYLHEPTANE is 922-28-1.

What are the molecular formula and molecular weight of 3,4-DIMETHYLHEPTANE?

3,4-DIMETHYLHEPTANE has molecular formula C9H20 and molecular weight 128.25500 g/mol.

What are the upstream and downstream products of 3,4-DIMETHYLHEPTANE?

For 3,4-DIMETHYLHEPTANE, Upstream Products: 3-Methyl-4-heptanone.

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. "3,4-DIMETHYLHEPTANE (CAS 922-28-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1149955-1 (accessed 2026-11-09).

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