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3-Methylheptane

Also known as: 4Y2&1, EINECS 209-660-6, Heptane, 3-methyl-, MFCD00027244

3-Methylheptane (CAS 589-81-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H18 and a molecular weight of 114.229 g/mol. Key properties include a melting point of -121--120°C, a boiling point of 118.8±7.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of 11.1±11.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
589-81-1
Jingsj CID
J-1334811-3
Molecular Formula
C8H18
Molecular Weight
114.229 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-121--120°C
Boiling Point118.8±7.0 °C at 760 mmHg
Density0.7±0.1 g/cm3
Flash Point11.1±11.4 °C
Exact Mass114.140854
LogP4.82
Vapor Pressure19.6±0.1 mmHg at 25°C
Refractive Index1.401

Frequently Asked Questions

What is the CAS number of 3-Methylheptane?

The CAS number of 3-Methylheptane is 589-81-1.

What are the molecular formula and molecular weight of 3-Methylheptane?

3-Methylheptane has molecular formula C8H18 and molecular weight 114.229 g/mol.

What are the upstream and downstream products of 3-Methylheptane?

For 3-Methylheptane, Upstream Products: Dehydroacetic acid, 3-Methyl-3-heptanol, 1-Butene; Downstream Products: o-xylene, p-Xylene, ether.

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-Methylheptane (CAS 589-81-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1334811-3 (accessed 2026-11-09).

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