2,4-Dichlorobenzaldehyde
Also known as: Benzaldehyde, 2,4-dichloro-, 1,3-Dichloro-4-formylbenzene, 2,4-Dichlorobenzenecarbaldehyde, 2,4-Dichlorobenzaldehyd, 2,4-Dichlorobenzaldehyde (2,4-DCBA), 2,4-Dichlorbenzaldehyd, 2,4-Cl2C6H3CHO, 2,4-Cl2C6H4CHO, 2,4-Cl2PhCHO, 2,4-DCAD, AKOS BBS-00003196, DICHLOROBENZALDEHYDE(2,4-)
2,4-Dichlorobenzaldehyde (CAS 874-42-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H4Cl2O and a molecular weight of 175.012 g/mol. Key properties include a melting point of 64-69 °C(lit.), a boiling point of 233.0±0.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 100.2±22.3 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 874-42-0
- Jingsj CID
- J-33602-7
- Molecular Formula
- C7H4Cl2O
- Molecular Weight
- 175.012 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 64-69 °C(lit.) |
|---|---|
| Boiling Point | 233.0±0.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 100.2±22.3 °C |
| Exact Mass | 173.963913 |
| PSA | 17.07000 |
| LogP | 2.91 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.601 |
| Additional Property | <0.1 g/100 mL at 24 ºC |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
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-Dichlorobenzaldehyde?
The CAS number of 2,4-Dichlorobenzaldehyde is 874-42-0.
What are the molecular formula and molecular weight of 2,4-Dichlorobenzaldehyde?
2,4-Dichlorobenzaldehyde has molecular formula C7H4Cl2O and molecular weight 175.012 g/mol.
Is 2,4-Dichlorobenzaldehyde hazardous?
2,4-Dichlorobenzaldehyde has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 2,4-Dichlorobenzaldehyde?
For 2,4-Dichlorobenzaldehyde, Upstream Products: 2,4-Dichlorobenzoyl chloride, 2,4-Dichlorobenzyl alcohol, 2,4-Dichlorobenzaldehyde oxime; Downstream Products: 2,4-Dichlorobenzyl alcohol, 2,4-Dichlorobenzoic acid, Methyl 2,4-dichlorobenzoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4-Dichlorobenzaldehyde (CAS 874-42-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33602-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.