1,2-Benzenedisulfonyl chloride - Names and Identifiers
Name | 1,2-Benzenedisulfonyl chloride
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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
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CAS | 6461-76-3
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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-Benzenedisulfonyl chloride - Physico-chemical Properties
Molecular Formula | C6H4Cl2O4S2
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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-Benzenedisulfonyl chloride - Risk and Safety
Hazard Symbols | C - Corrosive
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Risk Codes | 34 - Causes burns
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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.)
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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-Benzenedisulfonyl chloride - 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