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White 5 Chlorosalicylaldehyde C7H5ClO2 CAS No 635-93-8
Product Details
Mat no.10009003 5-Chlorosalicylaldehyde C7H5ClO2 CAS No.635-93-8 White Powder Purity≥99.5%
| Melting point | 100-102 °C(lit.) |
| Boiling point | 217.69°C (rough estimate) |
| density | 1.2683 (rough estimate) |
| Refractive index | 1.5812 (estimate) |
| Storage conditions | Keep in dark place,Sealed in dry,Room Temperature |
| Acidity coefficient (pKa) | 7.73±0.18(Predicted) |
| form | powder |
| color | White to very slightly yellow |
| Sensitivity | Air Sensitive |
| BRN | 636632 |
| CAS database | 635-93-8(CAS DataBase Reference) |
| NIST chemical substance information | 5-Chloro-2-hydroxy benzaldehyde(635-93-8) |
| EPA chemical substance information | Benzaldehyde, 5-chloro-2-hydroxy- (635-93-8) |
| Chemical nature |
White crystals. The melting point is 99-100°C. Soluble in alcohol, slightly soluble in water.
|
| use |
This product forms a stable yellow Schiff base with amines, which acts as a protective group in peptide synthesis. Mainly used as intermediates in organic synthesis such as medicines, spices and dyes.
|
| production method |
The salicylaldehyde is heated and chlorine gas is introduced, and the reaction liquid is bright yellow. Add ethanol to dissolve the product. After cooling, crystals are precipitated, filtered, and dried to obtain 5-chlorosalicylic aldehyde. |
| Dangerous Goods Sign | Xi,Xn |
| Hazard category code | 36/37/38-20/21/22 |
| safety instructions | 26-36-24/25-36/37/39 |
| Dangerous goods transport number | UN2811/6.1/PG III |
| WGK Germany | 3 |
| RTECS number | VN5450000 |
| TSCA | Yes |
| HS CODE | 29130000 |
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