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1-Ethyl-3-methylcyclohexane

Also known as: 1-Aethyl-3-methyl-cyclohexan, 1-ETHYL-3-METHYLCYCLOHEXANE, 1-ETHYL-3-METHYLCYCLOHEXANE 98+%, 1-Ethyl-3-methyl-cyclohexan, 1-Ethyl-3-methylcyclohexane (c,t), 1-Ethyl-3-methylcyclohexane (cis- and trans- mixture), 1-Methyl-3-aethyl-cyclohexan, 1-Methyl-3-aethyl-cylohexan, 1-Methyl-3-ethylbenzene, 1-Methyl-3-ethylcyclohexane, 1-ethyl-3-methyl-benzene, 1-ethyl-3-methyl-cyclohexane, 1-ethyl-3-methylcyclohexane, 3-Ethyltoluene, 3-Methylethylbenzene, 3-methyl benzene, Benzene,1-ethyl-3-methyl, Cyclohexane, 1-ethyl-3-methyl-, M-ETHYLTOLUENE, TRANS-1-ETHYL-3-METHYLCYCLOHEXANE

1-Ethyl-3-methylcyclohexane (CAS 3728-55-0) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C9H18 and a molecular weight of 126.239 g/mol. Key properties include a boiling point of 150.8±7.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 31.9±11.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3728-55-0
Jingsj CID
J-25723-8
Molecular Formula
C9H18
Molecular Weight
126.239 g/mol
Category
Solvents
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point150.8±7.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point31.9±11.7 °C
Exact Mass126.140854
LogP4.90
Vapor Pressure4.8±0.1 mmHg at 25°C
Refractive Index1.422

Customs & Trade Information

HS Code2902199090
Summary2902199090 other cyclanes, cyclenes and cyclotherpenes。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-Ethyl-3-methylcyclohexane?

The CAS number of 1-Ethyl-3-methylcyclohexane is 3728-55-0.

What are the molecular formula and molecular weight of 1-Ethyl-3-methylcyclohexane?

1-Ethyl-3-methylcyclohexane has molecular formula C9H18 and molecular weight 126.239 g/mol.

What are the upstream and downstream products of 1-Ethyl-3-methylcyclohexane?

For 1-Ethyl-3-methylcyclohexane, Upstream Products: 1-chloro-1-methylcyclohexane, Tetraethylsilane.

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

Last updated:

How to cite: Jingsj. "1-Ethyl-3-methylcyclohexane (CAS 3728-55-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25723-8 (accessed 2026-11-09).

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