2,4-Dichlorobenzaldehyde
- CAS No.
- 874-42-0
- Chemical Name:
- 2,4-Dichlorobenzaldehyde
- Synonyms
- DICHLOROBENZALDEHYDE;2,4-DCAD;AKOS BBS-00003196;2,4-Dichlorobenzalde;Miconazole Impurity 19;2,4-DICHLOROBENZALDEHYDE;2,4-dichloro-benzaldehyd;4-Dichlorobenzenaldehyde;DICHLOROBENZALDEHYDE(2,4-);2,4-Dichlorobenzenaldehyde
- CBNumber:
- CB9316111
- Molecular Formula:
- C7H4Cl2O
- Molecular Weight:
- 175.01
- MDL Number:
- MFCD00003305
- MOL File:
- 874-42-0.mol
- MSDS File:
- SDS
| Melting point | 64-69 °C (lit.) |
|---|---|
| Boiling point | 233 °C (lit.) |
| bulk density | 700kg/m3 |
| Density | 1.3456 (rough estimate) |
| refractive index | 1.5756 (estimate) |
| Flash point | 135 °C |
| storage temp. | Store below +30°C. |
| form | Crystalline Powder, Crystals and/or Chunks |
| color | Light yellow to beige |
| Water Solubility | <0.1 g/100 mL at 24 ºC |
| Sensitive | Air Sensitive |
| BRN | 471601 |
| InChI | 1S/C7H4Cl2O/c8-6-2-1-5(4-10)7(9)3-6/h1-4H |
| InChIKey | YSFBEAASFUWWHU-UHFFFAOYSA-N |
| SMILES | [H]C(=O)c1ccc(Cl)cc1Cl |
| CAS DataBase Reference | 874-42-0(CAS DataBase Reference) |
| FDA UNII | Z08QL2124R |
| NIST Chemistry Reference | Benzaldehyde, 2,4-dichloro-(874-42-0) |
| EPA Substance Registry System | Benzaldehyde, 2,4-dichloro- (874-42-0) |
| UNSPSC Code | 12352114 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() ![]() GHS05,GHS09 |
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|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H314-H411 | |||||||||
| Precautionary statements | P260-P273-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338 | |||||||||
| PPE | Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges | |||||||||
| Hazard Codes | C,N,Xi | |||||||||
| Risk Statements | 34-51/53-36/37/38 | |||||||||
| Safety Statements | 26-36/37/39-45-61-37/39 | |||||||||
| RIDADR | UN 3261 8/PG 2 | |||||||||
| WGK Germany | 2 | |||||||||
| Autoignition Temperature | 440 °C | |||||||||
| Hazard Note | Corrosive | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 8 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29130000 | |||||||||
| Storage Class | 8A - Combustible corrosive hazardous materials | |||||||||
| Hazard Classifications | Aquatic Chronic 2 Eye Dam. 1 Skin Corr. 1B |
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| Toxicity | LD50 orally in Rabbit: 3470 mg/kg | |||||||||
| Limited Quantities | 1 Kg (2.2 lbs) (solid) | |||||||||
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) | |||||||||
| NFPA 704 |
|
2,4-Dichlorobenzaldehyde price More Price(62)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 8.20433 | 2,4-Dichlorobenzaldehyde for synthesis | 874-42-0 | 100g | $49.6 | 2026-04-30 | Buy |
| Sigma-Aldrich | 8.20433 | 2,4-Dichlorobenzaldehyde for synthesis | 874-42-0 | 500g | $173 | 2026-04-30 | Buy |
| Sigma-Aldrich | 8.20433 | 2,4-Dichlorobenzaldehyde for synthesis | 874-42-0 | 25kg | $3010 | 2026-04-30 | Buy |
| Sigma-Aldrich | 146757 | 2,4-Dichlorobenzaldehyde 99% | 874-42-0 | 5g | $35.7 | 2026-04-30 | Buy |
| Sigma-Aldrich | 146757 | 2,4-Dichlorobenzaldehyde 99% | 874-42-0 | 100g | $67.7 | 2026-04-30 | Buy |
2,4-Dichlorobenzaldehyde Chemical Properties, Uses, Production
Chemical Properties
light yellow to beige crystalline powder, crystals
Uses
2,4-Dichlorobenzaldehyde is used in the synthesis of platelet aggregation inhibitors. Also used in the preparation of novel Schiff bases containing quinazolinone rings.
Uses
2,4-Dichlorobenzaldehyde was used in the solid-phase synthesis of a series of indole-based peptoids.
Synthesis Reference(s)
Tetrahedron Letters, 30, p. 3677, 1989 DOI: 10.1016/S0040-4039(01)80481-0
General Description
White crystalline solid or off-white chunky solid with black specks and a pungent odor. Average shelf life 1 year in a closed container.
Air & Water Reactions
Sensitive to light. May also be sensitive to prolonged exposure to air and moisture. Insoluble in water.
Reactivity Profile
2,4-Dichlorobenzaldehyde is incompatible with iron, oxygen and oxygen-containing materials. 2,4-Dichlorobenzaldehyde is also incompatible with strong oxidizers and strong bases.
Fire Hazard
2,4-Dichlorobenzaldehyde is combustible.
Purification Methods
Crystallise the aldehyde from EtOH or ligroin. [Beilstein 7 IV 575.]
2,4-Dichlorobenzaldehyde Preparation Products And Raw materials
Raw materials
1of4
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Changzhou Xuanming Chemical | 85525329 15961429598 | 2476433557@qq.com | China | 499 | 58 |
| Beijing Ouhe Technology Co., Ltd | 13552068683 13522913783 | 2355560935@qq.com | China | 11775 | 60 |
| Wuhan hongde yuexin pharmaceutical technology co. LTD | 027-83855395 13995685043 | wuhanfudechem23@163.com | China | 1000 | 58 |
| Hubei Zhuosheng New Material Technology Co., Ltd | 18971238634 | 2189484023@qq.com | China | 497 | 58 |
| Changzhou Gangtong Chemical Co., Ltd | 13506120961; 13506120961 | sales@gangtongchem.com | China | 48 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Energy Chemical | 400-0056266 18918157536; | sales8178@energy-chemical.com | China | 45000 | 61 |
View Latest Price from 2,4-Dichlorobenzaldehyde manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-09-02 | 2,4-Dichlorobenzaldehyde
874-42-0
|
$5.00 | 1KG | 99% | Henan Fengda Chemical Co., Ltd | ||
![]() |
2026-05-28 | 2,4-Dichlorobenzaldehyde
874-42-0
|
$10.00 | 1kg | 99% | 10000kg | Hebei Chuanghai Biotechnology Co,.LTD | |
![]() |
2026-03-20 | 2,4-Dichlorobenzaldehyde
874-42-0
|
$10.00 | 1KG | 99% | 10 mt | Hebei Chuanghai Biotechnology Co., Ltd |
-

- 2,4-Dichlorobenzaldehyde
874-42-0
- $5.00
- 99%
- Henan Fengda Chemical Co., Ltd
-

- 2,4-Dichlorobenzaldehyde
874-42-0
- $10.00
- 99%
- Hebei Chuanghai Biotechnology Co,.LTD
-

- 2,4-Dichlorobenzaldehyde
874-42-0
- $10.00
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd






