3,4-Dibromobenzaldehyde
Also known as: 1,2-Dibromo-4-formylbenzene, 3,4-Dibromobenzaldehyde, 3,4-Dibrom-benzaldehyd, 3,4-dibromo-benzaldehyde, 3,4-dibromophenylaldehyde, Benzaldehyde, 3,4-dibromo-, MFCD00236033
3,4-Dibromobenzaldehyde (CAS 74003-55-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H4Br2O and a molecular weight of 263.914 g/mol. Key properties include a melting point of 67-69°C, a boiling point of 303.6±27.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 123.0±10.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 74003-55-7
- Jingsj CID
- J-26307-0
- Molecular Formula
- C7H4Br2O
- Molecular Weight
- 263.914 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 67-69°C |
|---|---|
| Boiling Point | 303.6±27.0 °C at 760 mmHg |
| Density | 2.0±0.1 g/cm3 |
| Flash Point | 123.0±10.3 °C |
| Exact Mass | 261.862885 |
| PSA | 17.07000 |
| LogP | 3.31 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.645 |
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 3,4-Dibromobenzaldehyde?
The CAS number of 3,4-Dibromobenzaldehyde is 74003-55-7.
What are the molecular formula and molecular weight of 3,4-Dibromobenzaldehyde?
3,4-Dibromobenzaldehyde has molecular formula C7H4Br2O and molecular weight 263.914 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4-Dibromobenzaldehyde (CAS 74003-55-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26307-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.