38484-94-5

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.

Last Update：2024-04-10 22:29:15