1,4-Dimethyl-5-propylnaphthalene

1,4-二甲基-5-丙基萘

Also known as: 1,4-dimethyl-5-propylnaphthalene, Naphthalene, 1,4-dimethyl-5-propyl-, naphthalene,1,4-dimethyl-5-propyl-

1,4-Dimethyl-5-propylnaphthalene (CAS 204256-08-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H18 and a molecular weight of 198.303 g/mol. It is also known as 1,4-dimethyl-5-propylnaphthalene, Naphthalene, 1,4-dimethyl-5-propyl- and naphthalene,1,4-dimethyl-5-propyl-. Key properties include a boiling point of 314.2±22.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 149.0±13.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
204256-08-6
Jingsj CID
J-1510505-7
Molecular Formula
C15H18
Chinese Name
1,4-二甲基-5-丙基萘
Molecular Weight
198.303 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point314.2±22.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point149.0±13.1 °C

Frequently Asked Questions

What is the CAS number of 1,4-Dimethyl-5-propylnaphthalene?

The CAS number of 1,4-Dimethyl-5-propylnaphthalene is 204256-08-6.

What are the molecular formula and molecular weight of 1,4-Dimethyl-5-propylnaphthalene?

1,4-Dimethyl-5-propylnaphthalene has molecular formula C15H18 and molecular weight 198.303 g/mol.

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

Last updated:

How to cite: Jingsj. "1,4-Dimethyl-5-propylnaphthalene (CAS 204256-08-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510505-7 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.