3 5-Dichloro-4-hydroxybenzoic acid（CAS# 3336-41-2)
| 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. S37/39 – Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| RTECS | DG7502000 |
| HS Code | 29182900 |
Introduction
3,5-Dichloro-4-hydroxybenzoic acid is an organic compound. The following is an introduction to its properties, uses, manufacturing methods and safety information:
Quality:
- Appearance: 3,5-Dichloro-4-hydroxybenzoic acid is a colorless to white crystalline powder.
- Solubility: It is soluble in some organic solvents such as alcohols and ethers, but it is less soluble in water.
Use:
Method:
- 3,5-Dichloro-4-hydroxybenzoic acid can be obtained by chlorination of parahydroxybenzoic acid. The specific method is to react hydroxybenzoic acid with thionyl chloride to replace the hydrogen atom on the hydroxyl group with chlorine atoms under acidic conditions through the substitution of chloride ions.
Safety Information:
- Effects on human health: 3,5-dichloro-4-hydroxybenzoic acid has no obvious harm to human health under general conditions of use.
- Avoid contact: When handling this compound, avoid direct contact between skin and eyes and make sure to operate in a well-ventilated area.
- Storage precautions: It should be stored in a dry, cool, and ventilated place, away from fire and combustibles.
