1-BROMO-2-NAPHTHALDEHYDE

Also known as: 1-BROMONAPHTHALENE-2-CARBALDEHYDE, 1-Bromo-2-naphthalenecarbaldehyde, 1-Bromo-2-naphthalenecarboxaldehyde, 1-bromonaphthalene-2-carbaldehyde

1-BROMO-2-NAPHTHALDEHYDE (CAS 3378-82-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H7BrO and a molecular weight of 235.07700 g/mol. Key properties include a melting point of 118°C, a boiling point of 347.3ºC at 760mmHg, a density of 1.552g/cm3 and a flash point of 119.8ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3378-82-3
Jingsj CID: J-6872-4
Molecular Formula: C₁₁H₇BrO
Molecular Weight: 235.07700 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	118°C
Boiling Point	347.3ºC at 760mmHg
Density	1.552g/cm3
Flash Point	119.8ºC
Exact Mass	233.96800
PSA	17.07000
LogP	3.41480
Refractive Index	1.7

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2913000090
Summary	HS: 2913000090 halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 2912 Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:none Most favored nation tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-BROMO-2-NAPHTHALDEHYDE?

The CAS number of 1-BROMO-2-NAPHTHALDEHYDE is 3378-82-3.

What are the molecular formula and molecular weight of 1-BROMO-2-NAPHTHALDEHYDE?

1-BROMO-2-NAPHTHALDEHYDE has molecular formula C11H7BrO and molecular weight 235.07700 g/mol.

Is 1-BROMO-2-NAPHTHALDEHYDE hazardous?

1-BROMO-2-NAPHTHALDEHYDE has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 1-BROMO-2-NAPHTHALDEHYDE?

For 1-BROMO-2-NAPHTHALDEHYDE, Upstream Products: 1-Bromo-2-(bromomethyl)naphthalene, 1-Bromo-2-methylnaphthalene, 2-Methylnaphthalene; Downstream Products: 1-Chloronaphthalene-2-carbaldehyde, Benzo(c)phenanthrene, 1-bromo-2-naphthoic acid.

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-BROMO-2-NAPHTHALDEHYDE (CAS 3378-82-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6872-4 (accessed 2026-11-09).

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