3,5-Dichlorosalicylaldehyde CAS Number: 90-60-8
Pharmaceutical Materials 2025-03-03
Molecular Formula: C7H4Cl2O2
Molecular Weight: 191.01 g/mol
Appearance: White or off-white crystalline powder
Melting Point: 94°C
Boiling Point: 236.7°C
Density: 1.547 g/cm³
Usage: Used as an intermediate in the synthesis of dyes, pharmaceuticals, and other organic compounds.
3,5-Dichlorosalicylaldehyde, with CAS number 90-60-8, is a chemical compound belonging to the benzaldehyde derivatives. It is a pale yellow or light brown crystalline powder with a distinct aroma. This compound is widely used as an intermediate in organic synthesis, particularly in the preparation of dyes, perfumes, and pharmaceuticals. The introduction of two chloro groups at the 3- and 5-positions enhances its reactivity and selectivity, making it a valuable building block in the chemical industry.
| Property | Information |
|---|---|
| CAS Number | 90-60-8 |
| Physical Properties | |
| Appearance | Pale yellow or light brown crystalline powder |
| Density | 1.5±0.1 g/cm³ or 1.547 g/cm³ |
| Melting Point | 95-97°C (lit.) or 91-94°C |
| Boiling Point | 236.7±35.0°C at 760 mmHg |
| Flash Point | 96.9±25.9°C |
| Refractive Index | 1.644 |
| Steam Pressure | 0.0±0.5 mmHg at 25°C |
| Solubility | Soluble in hot water and chloroform |
| Chemical Properties | |
| Molecular Formula | C7H4Cl2O2 |
| Molecular Weight | 191.01 g/mol |
| Functional Groups | Aldehyde (-CHO), Hydroxy (-OH), Chlorine (-Cl) |
| LogP | 3.16 |
| PSA | 37.30000 Ų |
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