1,2-Bis(chlorosulfonyl)benzene

1,2-Bis(chlorosulfonyl)benzene - Names and Identifiers

Name	1,2-Benzenedisulfonyl chloride
Synonyms	o-Benzenedisulfonyl chloride m-Benzenedisulfonyl chloride o-Bis(chlorosulfonyl)benzene 1,2-Di(chlorosulfonyl)benzene m-Benzenedisulfonyl dichloride 1,2-Bis(chlorosulfonyl)benzene 1,2-Benzenedisulfonyl chloride 1,2-Benzenedisulfonyl Dichloride Benzene-1,2-disulfonyl dichloride Benzene-1,2-disulfonic acid dich Benzene-1,2-disulfonic acid dichloride o-(Chlorosulfonyl)benzenesulfonyl chloride 4-[(4-chlorobenzyl)oxy]-3-ethoxy-5-(prop-2-en-1-yl)benzaldehyde
CAS	6461-76-3
InChI	InChI=1/C19H19ClO3/c1-3-5-16-10-15(12-21)11-18(22-4-2)19(16)23-13-14-6-8-17(20)9-7-14/h3,6-12H,1,4-5,13H2,2H3

1,2-Bis(chlorosulfonyl)benzene - Physico-chemical Properties

Molecular Formula	C6H4Cl2O4S2
Molar Mass	275.13
Density	1.690
Melting Point	140-146°C
Boling Point	394.4±25.0 °C(Predicted)
Flash Point	169.7°C
Solubility	very faint turbidity in hot Toluene
Vapor Presure	1.04E-08mmHg at 25°C
Appearance	powder to crystal
Color	White to Orange to Green
Storage Condition	2-8°C
Refractive Index	1.581
MDL	MFCD00059836

1,2-Bis(chlorosulfonyl)benzene - Risk and Safety

Hazard Symbols	C - Corrosive
Risk Codes	34 - Causes burns
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	UN 3261 8/PG 3
WGK Germany	3
FLUKA BRAND F CODES	9-21
HS Code	29049090
Hazard Class	8
Packing Group	II

1,2-Bis(chlorosulfonyl)benzene - Introduction

1,2-Benzenedisulfonyl chloride, chemical formula C6H4(ClSO2)2, is an organic compound. The following is a description of its nature, use, formulation and safety information:

1. nature:
-Appearance: Colorless to yellowish crystal or crystalline powder.
-Solubility: Soluble in organic solvents such as dichloromethane, methanol and dimethyl sulfoxide.
-Melting point: about 76-78 degrees Celsius.
-The compound has strong electron affinity and electrophilicity.

2. use:
-As an important reagent in organic synthesis, it can be used as an important intermediate for sulfonylation and electrophilic substitution reactions.
-In the field of medicine, it can be used to synthesize some drugs and biologically active compounds.
-can also be used for synthetic dyes, coatings, rubber additives and other organic chemicals.

3. Preparation method:
The synthesis of 1,2-Benzenedisulfonyl chloride is usually carried out by the following steps:
-First, benzene -1, 2-diphenol is reacted with sulfuric acid to form benzene -1, 2-disulfonic acid.
-Then, thionyl chloride is added to the reaction solvent to react with benzene -1, 2-disulfonic acid to generate 1,2-Benzenedisulfonyl chloride.

4. Safety Information:
- 1,2-Benzenedisulfonyl chloride is irritating and corrosive and should be avoided in contact with skin and eyes.
-During use and storage, it is necessary to maintain good ventilation and take appropriate protective measures, such as wearing protective gloves and glasses.
-When handling this compound, please follow correct laboratory operations and waste disposal methods to ensure safety.

Last Update：2024-04-09 21:01:54