38484-94-5
2,5-Dichlorobenzenesulfonic acid dihydrate
CAS: 38484-94-5
Molecular Formula: C6H4Cl2O3S2H2O
38484-94-5 - Names and Identifiers
| Name | 2,5-Dichlorobenzenesulfonic acid dihydrate |
| Synonyms | 2,5-Dichlorobenzenesulfonic acid dihydrate 2,5-DICHLOROBENZENESULFONIC ACID DIHYDRATE |
| CAS | 38484-94-5 |
| EINECS | 201-829-2 |
| InChI | InChI=1/C6H4Cl2O3S.2H2O/c7-4-1-2-5(8)6(3-4)12(9,10)11;;/h1-3H,(H,9,10,11);2*1H2 |
38484-94-5 - Physico-chemical Properties
| Molecular Formula | C6H4Cl2O3S2H2O |
| Molar Mass | 263.09 (227.07anhy) |
| Melting Point | 98-102°C |
| Storage Condition | Inert atmosphere,Room Temperature |
| MDL | MFCD08271971 |
38484-94-5 - Risk and Safety
| UN IDs | UN2585 |
| TSCA | Yes |
| Hazard Class | 8 |
| Packing Group | III |
38484-94-5 - Introduction
2,5-Dichlorobenzenesulfonic acid dihydrate is an organic compound with the chemical formula C6H4Cl2O3S · 2H2O. The following is an introduction to the properties, uses, preparation methods and safety information of 2,5-dichlorobenzenesulfonic acid dihydrate:
Nature:
-Appearance: It is white crystalline powder.
-Solubility: Soluble in water and alcohol.
-Melting point: 141-143°C.
-Density: 1.97g/cm³ (dihydrate).
Use:
- 2,5-Dichlorobenzenesulfonic acid dihydrate is widely used as catalyst, chlorinating agent and acid catalyst in organic synthesis.
-It can be used in the synthesis of phenyl sulfone and phenyl ethyl sulfone, and can also be used as a condensing agent for hydrazide.
Preparation Method:
2,5-Dichlorobenzenesulfonic acid dihydrate can be prepared by the following method:
-Dissolve 2,5-dichlorosulfonic acid in an appropriate amount of water, cool the solution to room temperature, and crystallize the dihydrate of 2,5-dichlorobenzenesulfonic acid.
-2,5-dichlorobenzenesulfonic acid can also be prepared by the reaction of chlorobenzene and sulfuric acid, and then hydrated to obtain dihydrate.
Safety Information:
- 2,5-dichlorobenzenesulfonic acid dihydrate is relatively stable at room temperature, but avoid contact with strong oxidants, strong acids and strong bases.
-Wear appropriate personal protective equipment such as gloves, goggles and protective clothing when handling.
-Avoid inhalation, ingestion or skin contact, and ensure that the operation is carried out in a well-ventilated place.
-Seek medical attention as soon as possible after discomfort or accidental exposure.
Nature:
-Appearance: It is white crystalline powder.
-Solubility: Soluble in water and alcohol.
-Melting point: 141-143°C.
-Density: 1.97g/cm³ (dihydrate).
Use:
- 2,5-Dichlorobenzenesulfonic acid dihydrate is widely used as catalyst, chlorinating agent and acid catalyst in organic synthesis.
-It can be used in the synthesis of phenyl sulfone and phenyl ethyl sulfone, and can also be used as a condensing agent for hydrazide.
Preparation Method:
2,5-Dichlorobenzenesulfonic acid dihydrate can be prepared by the following method:
-Dissolve 2,5-dichlorosulfonic acid in an appropriate amount of water, cool the solution to room temperature, and crystallize the dihydrate of 2,5-dichlorobenzenesulfonic acid.
-2,5-dichlorobenzenesulfonic acid can also be prepared by the reaction of chlorobenzene and sulfuric acid, and then hydrated to obtain dihydrate.
Safety Information:
- 2,5-dichlorobenzenesulfonic acid dihydrate is relatively stable at room temperature, but avoid contact with strong oxidants, strong acids and strong bases.
-Wear appropriate personal protective equipment such as gloves, goggles and protective clothing when handling.
-Avoid inhalation, ingestion or skin contact, and ensure that the operation is carried out in a well-ventilated place.
-Seek medical attention as soon as possible after discomfort or accidental exposure.
Last Update：2024-04-10 22:29:15
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