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CAS RN: 14070-51-0 | Product Number: C1674


Purity: >96.0%(T)
  • 2-Chloro-1,2-benzisothiazol-3(2H)-one 1,1-Dioxide
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* The storage conditions are subject to change without notice.

Product Number C1674
Purity / Analysis Method >96.0%(T)
Molecular Formula / Molecular Weight C__7H__4ClNO__3S = 217.62  
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Condition to Avoid Heat Sensitive
CAS RN 14070-51-0
Reaxys Registry Number 177560
PubChem Substance ID 354334387
MDL Number


Appearance White to Almost white powder to crystaline
Purity(Iodometric Titration) min. 96.0 %
Melting point 145.0 to 152.0 °C
Properties (reference)
Melting Point 148 °C
Solubility (soluble in) Toluene
Pictogram Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
H351 : Suspected of causing cancer.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P202 : Do not handle until all safety precautions have been read and understood.
P201 : Obtain special instructions before use.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P308 + P313 : IF exposed or concerned: Get medical advice/ attention.
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.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
P405 : Store locked up.
Related Laws:
Transport Information:
H.S.code* 2925.19-000
*This code is applied to the products when TCI exports from Japan and not for import in your country.
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-Chlorosaccharin (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 (148 mg, 93% yield).


PubMed Literature


Documents (Note: Some products will not have analytical charts available.)
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