2-Chloropyridine-5-carbaldehyde（CAS# 23100-12-1)
| Hazard Symbols | Xi – Irritant |
| Risk Codes | 36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. |
| WGK Germany | 3 |
| HS Code | 29333990 |
| Hazard Class | IRRITANT |
Introduction
6-Chloronicotinaldehyde (also known as 2,4,6-chlorobenzoic acid aldehyde) is an organic compound. The following is an introduction to the properties, uses, preparation methods and safety information of 6-chloronicotinaldehyde:
Properties: 6-Chloronicotinaldehyde is a colorless crystal or white crystalline powder with a pungent odor. It has moderate antagonism and can be dissolved in many organic solvents such as alcohols, ethers, and ketones. It is almost insoluble in water but can be dissolved in organic solvents.
Uses: 6-Chloronicotinaldehyde is often used as a reagent and intermediate in organic synthesis. It is used as a raw material for pesticides, herbicides, and fungicides in the agricultural sector.
Preparation method: 6-chloronicotinaldehyde can be obtained by the reaction of benzoyl chloride and aluminum chloride. Reaction conditions can be performed at room temperature. The specific synthesis method is as follows:
C6H5COCl + AlCl3 -> C6H4ClCOCl + HCl
C6H4ClCOCl + HCl -> C7H3Cl3O + CO2 + HCl
Safety information: 6-Chloronicotinaldehyde is irritating, avoid contact with skin and eyes. Appropriate personal protective measures should be taken when using, such as wearing gloves, protective eyewear, and protective masks. Avoid inhaling its vapors or dust during operation. When storing and handling 6-chloronicotinal, follow the relevant safe operating procedures and keep it safely in the designated container. When disposing of waste, it should be disposed of appropriately in accordance with local regulations.
