1-Chloromethyl-4-methylnaphthalene

Also known as: 1-(chloromethyl)-4-methylnaphthalene, Naphthalene,1-(chloromethyl)-4-methyl-, NSC59831, 4-Chloromethyl-1-methylnaphthalene, 1-Methyl-4-(chloromethyl)naphthalene

1-Chloromethyl-4-methylnaphthalene (CAS 5261-50-7) 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. Key properties include a melting point of 58ºC, a boiling point of 314.4ºC at 760 mmHg, a density of 1.138 g/cm3 and a flash point of 138.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5261-50-7
Jingsj CID: J-42980-1
Molecular Formula: C₁₂H₁₁Cl
Molecular Weight: 190.66900 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	58ºC
Boiling Point	314.4ºC at 760 mmHg
Density	1.138 g/cm3
Flash Point	138.9ºC
Exact Mass	190.05500
LogP	3.88700
Refractive Index	1.577

Customs & Trade Information

HS Code	2903999090
Summary	2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-Chloromethyl-4-methylnaphthalene?

The CAS number of 1-Chloromethyl-4-methylnaphthalene is 5261-50-7.

What are the molecular formula and molecular weight of 1-Chloromethyl-4-methylnaphthalene?

1-Chloromethyl-4-methylnaphthalene has molecular formula C12H11Cl and molecular weight 190.66900 g/mol.

What are the upstream and downstream products of 1-Chloromethyl-4-methylnaphthalene?

For 1-Chloromethyl-4-methylnaphthalene, Upstream Products: Formaldehyde, 1-Methylnaphthalene, acetic acid; Downstream Products: 1,4-Naphthalenedicarboxylic acid, 4-Methyl-1-naphthoic acid, 1,4-Dimethylnaphthalene.

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-Chloromethyl-4-methylnaphthalene (CAS 5261-50-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42980-1 (accessed 2026-11-09).

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