2 3-Dichlorobenzoyl chloride（CAS# 2905-60-4)
| Risk Codes | R34 – Causes burns R22 – Harmful if swallowed |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | 3261 |
| WGK Germany | 1 |
| TSCA | Yes |
| HS Code | 29163990 |
| Hazard Note | Corrosive |
| Hazard Class | 8 |
| Packing Group | II |
Introduction
2,3-Dichlorobenzoyl chloride. The following is an introduction to its properties, uses, manufacturing methods and safety information:
Quality:
- Appearance: 2,3-Dichlorobenzoyl chloride is a colorless to light yellow liquid.
- Solubility: 2,3-Dichlorobenzoyl chloride is soluble in organic solvents such as ethers and alcohols, but insoluble in water.
Use:
- 2,3-Dichlorobenzoyl chloride is an important intermediate compound and is often used in organic synthesis reactions.
- 2,3-Dichlorobenzoyl chloride can also be used as an acylation reagent for converting hydroxyl groups to acyl groups.
- It is also used in the preparation of rubber processing aids and polymer materials, among other fields.
Method:
- 2,3-Dichlorobenzoyl chloride can be obtained by reacting 2,3-dichlorobenzoic acid with thionyl chloride. The reaction conditions are heated in an inert atmosphere until the reactants are melted, and thionyl chloride is slowly added.
- The reaction equation is as follows:
C6H4(Cl)COOH + SO2Cl2 → C6H4(Cl)C(O)Cl + H2SO4
Safety Information:
- 2,3-Dichlorobenzoyl chloride is an organic compound with certain toxicity. Exposure to or inhalation of the compound can cause irritation and even damage to the skin, eyes, and respiratory tract.
- When using 2,3-dichlorobenzoyl chloride, good ventilation should be practiced and appropriate personal protective equipment such as gloves, safety glasses, and protective masks should be used.
- During storage and handling, chemical safety procedures should be strictly adhered to, and fire sources and flammable materials should be kept away.
- If 2,3-dichlorobenzoyl chloride is swallowed or exposed by mistake, seek medical attention immediately and bring information about the compound.
