2,4-Dichlorobenzaldehyde
Synonym(s):2,4-Dichlorobenzaldehyde
- CAS NO.：874-42-0
- Empirical Formula: C7H4Cl2O
- Molecular Weight: 175.01
- MDL number: MFCD00003305
- EINECS: 212-861-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:27:13
What is 2,4-Dichlorobenzaldehyde?
Chemical properties
light yellow to beige crystalline powder, crystals
The Uses of 2,4-Dichlorobenzaldehyde
2,4-Dichlorobenzaldehyde is used in the synthesis of platelet aggregation inhibitors. Also used in the preparation of novel Schiff bases containing quinazolinone rings.
The Uses of 2,4-Dichlorobenzaldehyde
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.]
Properties of 2,4-Dichlorobenzaldehyde
| Melting point: | 64-69 °C (lit.) |
| Boiling point: | 233 °C (lit.) |
| 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 |
| CAS DataBase Reference | 874-42-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzaldehyde, 2,4-dichloro-(874-42-0) |
| EPA Substance Registry System | Benzaldehyde, 2,4-dichloro- (874-42-0) |
Safety information for 2,4-Dichlorobenzaldehyde
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Environment GHS09 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2,4-Dichlorobenzaldehyde
2,4-Dichlorobenzaldehyde manufacturer
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product: 2,4-Dichlorobenzaldehyde 874-42-0 >98%
ASM Organics
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Whatsapp: 91-9866122393
product: 2,4-Dichlorobenzaldehyde
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