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2-Bromo-4-methylbenzaldehyde

Also known as: 2-Bromo-p-tolualdehyde, 2-bromo-4-methyl benzaldehyde, 2-Brom-4-methylbenzaldehyd, 4-methyl-2-bromobenzaldehyde, MFCD04039890

2-Bromo-4-methylbenzaldehyde (CAS 824-54-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H7BrO and a molecular weight of 199.045 g/mol. Key properties include a melting point of 30-35 °C(lit.), a boiling point of 254.1±20.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 90.2±9.1 °C. 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.
824-54-4
Jingsj CID
J-44168-9
Molecular Formula
C8H7BrO
Molecular Weight
199.045 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point30-35 °C(lit.)
Boiling Point254.1±20.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point90.2±9.1 °C
Exact Mass197.968018
PSA17.07000
LogP2.91
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.597

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2913000090
SummaryHS: 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 2-Bromo-4-methylbenzaldehyde?

The CAS number of 2-Bromo-4-methylbenzaldehyde is 824-54-4.

What are the molecular formula and molecular weight of 2-Bromo-4-methylbenzaldehyde?

2-Bromo-4-methylbenzaldehyde has molecular formula C8H7BrO and molecular weight 199.045 g/mol.

Is 2-Bromo-4-methylbenzaldehyde hazardous?

2-Bromo-4-methylbenzaldehyde has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

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

Last updated:

How to cite: Jingsj. "2-Bromo-4-methylbenzaldehyde (CAS 824-54-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44168-9 (accessed 2026-11-09).

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