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Merck
CN

561487

1,2-Benzisothiazol-3(2H)-one

97%

Synonym(s):

1,2-Benzisothiazolone, 1,2-Benzoisothiazol-3-one, 1,2-benzothiazoline-3-one, 2,3-Dihydro-1,2-benzothiazol-3-one, 3-Hydroxy-1,2-benzisothiazole, Benzisothiazolin-3-one

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About This Item

Empirical Formula (Hill Notation):
C7H5NOS
CAS Number:
Molecular Weight:
151.19
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
220-120-9
MDL number:
Assay:
97%
Form:
solid
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Quality Level

assay

97%

form

solid

mp

154-158 °C (lit.)

SMILES string

Oc1nsc2ccccc12

InChI

1S/C7H5NOS/c9-7-5-3-1-2-4-6(5)10-8-7/h1-4H,(H,8,9)

InChI key

DMSMPAJRVJJAGA-UHFFFAOYSA-N

General description

1,2-Benzisothiazol-3(2H)-one can be synthesized by reacting 2-mercaptobenzoic acid with diphenyl phosphoryl azide.

Application

1,2-Benzisothiazol-3(2H)-one can be used as a precursor in the synthesis of 1,2-benzoisothiazolin-3-one (BIT) derivative which can exhibit enhanced biological activities.

Disclaimer

The product is not intended for use as a biocide under global biocide regulations, including but not limited to US EPA′s Federal Insecticide Fungicide and Rodenticide Act, European Biocidal Products Regulation, Canada’s Pest Management Regulatory Agency, Turkey’s Biocidal Products Regulation, Korea’s Consumer Chemical Products and Biocide Safety Management Act (K-BPR) and others.


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signalword

Danger

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1A

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

Regulatory Information

农药列管产品

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Convenient Synthesis of 1, 2-Benzisothiazol-3 (2H)-ones by Cyclization Reaction
of Acyl Azide
Chiyoda T, et al.
Synlett, 2000(10), 1427-1428 (2000)
William L Jorgensen et al.
Bioorganic & medicinal chemistry letters, 21(15), 4545-4549 (2011-07-02)
Substituted N-phenylbenzisothiazolones have been investigated as inhibitors of the tautomerase activity of the proinflammatory cytokine MIF (macrophage migration inhibitory factor). Numerous compounds were found to possess antagonist activity in the low micromolar range with the most potent being the 6-hydroxy
Kristiina Aalto-Korte et al.
Contact dermatitis, 57(6), 365-370 (2007-11-09)
Benzisothiazolinone is used as a slimicide in the manufacture of disposable powder-free polyvinyl chloride (PVC) gloves. We recently reported 6 patients from dentistry and health care probably sensitized to benzisothiazolinone in PVC gloves. The study aimed to investigate how widely



Global Trade Item Number

SKUGTIN
561487-25G04061832583518
561487-5G04061832583525