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CAS RN: 35812-01-2 | Product Number: B2152


Purity: >98.0%(T)
  • 2-Bromo-1,2-benzisothiazol-3(2H)-one 1,1-Dioxide
4   Contact Us 39  
1   2   ≥40 

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Product Number B2152
Purity / Analysis Method >98.0%(T)
Molecular Formula / Molecular Weight C__7H__4BrNO__3S = 262.08 
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Condition to Avoid Heat Sensitive
CAS RN 35812-01-2
Reaxys Registry Number 1213969
PubChem Substance ID 87565018
MDL Number


Appearance White to Almost white powder to crystal
Purity(Iodometric Titration) min. 98.0 %
Properties (reference)
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P302 + P352 : IF ON SKIN: Wash with plenty of soap and water.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
P362 : Take off contaminated clothing and wash before reuse.
Related Laws:
Transport Information:
HS Number 2925.19.4200
N-Halosaccharin Usable for Halogenations

Experimental procedure: 1 (142 mg, 0.5 mmol) and LiClO4 (32 mg, 0.3 mmol) are dissolved in CH3CN (10 mL). The reaction mixture is stirred at room temperature for 15 min. N-Bromosaccharin (0.55 mmol) is added and stirring is continued for an additional 30 min. After removal of the solvent, the residue is dissolved in CH2Cl2 (10 mL), washed with strd. aq. NaHCO3 (3 x 10 mL), dried over Na2SO4, filtered and the solvent is evaporated in vacuo. The solid is suspended in CH3OH (4 mL) and, to remove the unwanted saccharin, undissolved pure product is filtered to obtain 2 (114 mg, 63% yield) as a white solid.


PubMed Literature


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