2,4-Dichloro-6-hydroxybenzaldehyde
4,6-二氯水杨醛
Also known as: 4,6-Dichlorosalicylaldehyde, 4,6-Dichloro-2-hydroxybenzaldehyde, 2-Hydroxy-4,6-dichlorobenzaldehyde, Benzaldehyde, 2,4-dichloro-6-hydroxy-
2,4-Dichloro-6-hydroxybenzaldehyde (CAS 78443-72-8) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C7H4Cl2O2 and a molecular weight of 191.012 g/mol. It is also known as 4,6-Dichlorosalicylaldehyde, 4,6-Dichloro-2-hydroxybenzaldehyde and 2-Hydroxy-4,6-dichlorobenzaldehyde. Key properties include a melting point of 51 °C, a boiling point of 255.2±35.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 108.2±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 78443-72-8
- Jingsj CID
- J-42983-6
- Molecular Formula
- C7H4Cl2O2
- Chinese Name
- 4,6-二氯水杨醛
- Molecular Weight
- 191.012 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 51 °C |
|---|---|
| Boiling Point | 255.2±35.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 108.2±25.9 °C |
| Exact Mass | 189.958832 |
| PSA | 37.30000 |
| LogP | 3.52 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.644 |
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 2,4-Dichloro-6-hydroxybenzaldehyde?
The CAS number of 2,4-Dichloro-6-hydroxybenzaldehyde is 78443-72-8.
What are the molecular formula and molecular weight of 2,4-Dichloro-6-hydroxybenzaldehyde?
2,4-Dichloro-6-hydroxybenzaldehyde has molecular formula C7H4Cl2O2 and molecular weight 191.012 g/mol.
What are the upstream and downstream products of 2,4-Dichloro-6-hydroxybenzaldehyde?
For 2,4-Dichloro-6-hydroxybenzaldehyde, Upstream Products: 4-Chloro-2-hydroxybenzaldehyde.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4-Dichloro-6-hydroxybenzaldehyde (CAS 78443-72-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42983-6 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.