1,8-Dibromonaphthalene

Also known as: 1,8-DIBROMONAPHTALENE, 1,8-DBN, 1,8-Dibromonaphthalene, 1,8-dibroMonaphthalene, 1,8-dibroMophthalene, Naphthalene, 1,8-dibromo-

1,8-Dibromonaphthalene (CAS 17135-74-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H6Br2 and a molecular weight of 285.963 g/mol. Key properties include a melting point of 106-108ºC, a boiling point of 339.1±15.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 184.7±19.6 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H411 — Toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 17135-74-9
Jingsj CID: J-1378680-6
Molecular Formula: C₁₀H₆Br₂
Molecular Weight: 285.963 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	106-108ºC
Boiling Point	339.1±15.0 °C at 760 mmHg
Density	1.8±0.1 g/cm3
Flash Point	184.7±19.6 °C
Exact Mass	283.883606
LogP	4.99
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.688
Storage Conditions	2~8℃

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning

H302 — Harmful if swallowed
H411 — Toxic to aquatic life with long lasting effects

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-Dibromonaphthalene?

The CAS number of 1,8-Dibromonaphthalene is 17135-74-9.

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

1,8-Dibromonaphthalene has molecular formula C10H6Br2 and molecular weight 285.963 g/mol.

Is 1,8-Dibromonaphthalene hazardous?

1,8-Dibromonaphthalene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H411 — Toxic to aquatic life with long lasting effects.

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

For 1,8-Dibromonaphthalene, Upstream Products: 1,8-Diaminonaphthalene, Cyanogen bromide, 1,8-Naphthalenedicarboxylic acid; Downstream Products: Naphthalene, 1,2,3,4-Tetrahydronaphthalene, Decahydronaphthalene.

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-Dibromonaphthalene (CAS 17135-74-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1378680-6 (accessed 2026-11-09).

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