3-Chlorosalicylaldehyde CAS Number: 576-20-1
Pharmaceutical Materials 2025-03-02
Molecular Formula: C7H5ClO2
Molecular Weight: 156.57 g/mol
Appearance: Yellowish to white crystalline solid
Melting Point: 48-50°C
Boiling Point: 235°C
Density: 1.37 g/cm³
Usage: Used as an intermediate in the synthesis of pharmaceuticals, dyes, and other organic compounds.
3-Chlorosalicylaldehyde, also known as 3-Chloro-2-hydroxybenzaldehyde, with CAS number 576-20-1, is an organic compound belonging to the benzaldehyde derivatives. It is a yellow solid with a distinct aroma and a molecular weight of 156.57 g/mol. This compound is primarily used as an intermediate in the synthesis of dyes, perfumes, and pharmaceuticals. The introduction of the chloro group at the 3-position and the hydroxy and aldehyde groups at the 2-position provide it with unique reactivity and selectivity, making it a valuable building block in organic synthesis.
| Property | Information |
|---|---|
| CAS Number | 576-20-1 |
| Physical Properties | |
| Appearance | Yellow solid |
| Density | 1.4±0.1 g/cm³ |
| Melting Point | 42-44°C (alternative: 52-56°C) |
| Boiling Point | 204.1±20.0°C at 760 mmHg |
| Flash Point | 77.2±21.8°C |
| Refractive Index | 1.632 |
| Chemical Properties | |
| Molecular Formula | C7H5ClO2 |
| Molecular Weight | 156.57 g/mol |
| Functional Groups | Aldehyde (-CHO), Hydroxy (-OH), Chlorine (-Cl) |
| LogP | 2.18 |
| PSA | 37.30000 Ų |
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