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175278-64-5 - 4-Bromobenzenesulfinic acid sodium salt dihydrate, 97% - Sodium 4-bromobenzenesulfinate dihydrate - B20281 - Alfa Aesar

B20281 4-Bromobenzenesulfinic acid sodium salt dihydrate, 97%

CAS Number
Sodium 4-bromobenzenesulfinate dihydrate

Size Price ($) Quantity Availability
2.5g 56.30
10g 174.00
50g 715.00
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4-Bromobenzenesulfinic acid sodium salt dihydrate, 97%


Chemical Properties

Formula Weight
279.09 (243.06anhy)
Melting point
Soluble in water.


4-Bromobenzenesulfinic acid sodium salt dehydrate is used in the preparation of unsymmetrical internal alkynes and vinyl sulfones by reaction with alkynes by using palladium as a catalyst.


Incompatible with strong oxidizing agents and strong reducing agents.

Literature References

Xu, Y.; Zhao, J.; Tang, X.; Wu, W.; Jiang, H. Chemoselective Synthesis of Unsymmetrical Internal Alkynes or Vinyl Sulfones via Palladium-Catalyzed Cross-Coupling Reaction of Sodium Sulfinates with Alkynes. Adv. Synth. Catal. 2014, 356 (9), 2029-2039.

Mery, S. J.; Nicoud, J. F.; Guillon, D. Synthesis of Ferroelectric Liquid Crystalline Polysiloxanes Having a Chiral n-Alkyl Tolansulfinate as the Pendant Group. Macromolecules 1995, 28 (16), 5440-5449.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280a-P305+P351+P338-P304+P340-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code


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