1-(Chloromethyl)-2-methylnaphthalene

1-氯甲基-2-甲基萘

Also known as: 1-chloromethyl-2-methylnaphthalene, 2-methyl-1-chloromethylnaphthalene, NSC 59830, 1-(Chloromethyl)-2-methylnaphthalene

1-(Chloromethyl)-2-methylnaphthalene (CAS 6626-23-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H11Cl and a molecular weight of 190.66900 g/mol. It is also known as 1-chloromethyl-2-methylnaphthalene, 2-methyl-1-chloromethylnaphthalene and NSC 59830. Key properties include a melting point of 59-62 °C(lit.), a boiling point of 317ºC at 760 mmHg, a density of 1.138 g/cm3 and a flash point of 140.3ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6626-23-9
Jingsj CID: J-15542-7
Molecular Formula: C₁₂H₁₁Cl
Chinese Name: 1-氯甲基-2-甲基萘
Molecular Weight: 190.66900 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	59-62 °C(lit.)
Boiling Point	317ºC at 760 mmHg
Density	1.138 g/cm3
Flash Point	140.3ºC

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 1-(Chloromethyl)-2-methylnaphthalene?

The CAS number of 1-(Chloromethyl)-2-methylnaphthalene is 6626-23-9.

What are the molecular formula and molecular weight of 1-(Chloromethyl)-2-methylnaphthalene?

1-(Chloromethyl)-2-methylnaphthalene has molecular formula C12H11Cl and molecular weight 190.66900 g/mol.

Is 1-(Chloromethyl)-2-methylnaphthalene hazardous?

1-(Chloromethyl)-2-methylnaphthalene has GHS signal word Danger.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-(Chloromethyl)-2-methylnaphthalene (CAS 6626-23-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15542-7 (accessed 2026-10-22).

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