1,8-dichloronaphthalene

Also known as: 1,8-dichloronaphthalene, PCN-9, Butenafine Impurity 77, naphthalene,1,8-dichloro-, 1,8-dichloro-naphthalene, 1,8-dichlororonaphtalene, 1,8-Dichlornaphtahalin

1,8-dichloronaphthalene (CAS 2050-74-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H6Cl2 and a molecular weight of 197.06100 g/mol. Key properties include a boiling point of 296.8ºC at 760 mmHg, a density of 1.336g/cm3 and a flash point of 140.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2050-74-0
Jingsj CID: J-1524690-9
Molecular Formula: C₁₀H₆Cl₂
Molecular Weight: 197.06100 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	296.8ºC at 760 mmHg
Density	1.336g/cm3
Flash Point	140.5ºC
Exact Mass	195.98500
LogP	4.14660
Vapor Pressure	0.00248mmHg at 25°C
Refractive Index	1.651

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 1,8-dichloronaphthalene?

The CAS number of 1,8-dichloronaphthalene is 2050-74-0.

What are the molecular formula and molecular weight of 1,8-dichloronaphthalene?

1,8-dichloronaphthalene has molecular formula C10H6Cl2 and molecular weight 197.06100 g/mol.

What are the upstream and downstream products of 1,8-dichloronaphthalene?

For 1,8-dichloronaphthalene, Upstream Products: perylene, 1,8-Diaminonaphthalene, Naphthalene-2-sulfonic acid; Downstream Products: 1,8-Naphthalenedithiol, 1,5-Dichloronaphthalene.

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. "1,8-dichloronaphthalene (CAS 2050-74-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524690-9 (accessed 2026-11-09).

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