1,2,3-trimethylcyclohexane

Also known as: 1,2,3,-Trimethylcyclohexan, 1,2,3-TRIMETHYLCYCLOHEXANE, 1,2,3-TRIMETHYLCYCLOHEXANE 95+%, 1,2,3-TRIMETHYLQUINOXALIN-1-IUM IODIDE, 1,2,3-Trimethyl-chinoxalinium,Jodid, 1,2,3-Trimethylcyclohexane, 1,2,3-Trimethylcyclohexane >Cyclohexane, 1,2,3-trimethyl-, 1,2,3-trimethyl-cyclohexane, 1,2,3-trimethyl-quinoxalinium,iodide, Hexahydrohemimellitene

1,2,3-trimethylcyclohexane (CAS 1678-97-3) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C9H18 and a molecular weight of 126.23900 g/mol. Key properties include a boiling point of 151ºC, a density of 0.8 and a flash point of 27.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1678-97-3
Jingsj CID: J-34849-2
Molecular Formula: C₉H₁₈
Molecular Weight: 126.23900 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	151ºC
Density	0.8
Flash Point	27.9ºC
Exact Mass	126.14100
LogP	3.07860
Vapor Pressure	6.69mmHg at 25°C
Refractive Index	1.416

Customs & Trade Information

HS Code	2902199090
Summary	2902199090 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 1,2,3-trimethylcyclohexane?

The CAS number of 1,2,3-trimethylcyclohexane is 1678-97-3.

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

1,2,3-trimethylcyclohexane has molecular formula C9H18 and molecular weight 126.23900 g/mol.

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

For 1,2,3-trimethylcyclohexane, Upstream Products: 1,2,3-Trimethylbenzene, acetic acid, 2,6-Dimethylcyclohexanone (mixture of isomers).

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. "1,2,3-trimethylcyclohexane (CAS 1678-97-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34849-2 (accessed 2026-11-09).

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