1,5-Dimethylnaphthalene

1,5-二甲基萘

Also known as: 1,5-DIMETHYLNAPHTHALENE, 1,5-Dimethylnaphthalene >1,5-Dimethylnaphthalene@50 μg/mL in Toluene, 1,5-Dimethylnaphthalene in Acetonitrile, 1,5-Dimethylnaphthalene in Cyclohexane, 1,5-Dimethylnaphthalene,99%, 1,5-dimethylnaphthalene, 1.5-Dimethylnaphthalene 10mg [571-61-9], EINECS 209-338-5, MFCD00004038, Naphthalene, 1,5-dimethyl-

1,5-Dimethylnaphthalene (CAS 571-61-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H12 and a molecular weight of 156.224 g/mol. It is also known as 1,5-DIMETHYLNAPHTHALENE, 1,5-Dimethylnaphthalene >1,5-Dimethylnaphthalene@50 μg/mL in Toluene and 1,5-Dimethylnaphthalene in Acetonitrile. Key properties include a melting point of 77-82 °C(lit.), a boiling point of 265.6±10.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 111.4±9.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
571-61-9
Jingsj CID
J-36033-5
Molecular Formula
C12H12
Chinese Name
1,5-二甲基萘
Molecular Weight
156.224 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point77-82 °C(lit.)
Boiling Point265.6±10.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point111.4±9.7 °C

Frequently Asked Questions

What is the CAS number of 1,5-Dimethylnaphthalene?

The CAS number of 1,5-Dimethylnaphthalene is 571-61-9.

What are the molecular formula and molecular weight of 1,5-Dimethylnaphthalene?

1,5-Dimethylnaphthalene has molecular formula C12H12 and molecular weight 156.224 g/mol.

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

Last updated:

How to cite: Jingsj. "1,5-Dimethylnaphthalene (CAS 571-61-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36033-5 (accessed 2026-10-23).

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