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Names | |
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Preferred IUPAC name
4-(Dichlorosulfamoyl)benzoic acid | |
Other names
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Identifiers | |
3D model (JSmol)
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ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.001.140 |
EC Number |
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PubChem CID
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UNII | |
UN number | 1479 |
CompTox Dashboard (EPA)
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Properties | |
C7H5Cl2NO4S | |
Molar mass | 270.08 g·mol−1 |
Appearance | Fine white powder with an odor of chlorine[2] |
Melting point | 213 °C (415 °F; 486 K);[3] 196 °C with decomposition.[4] |
Less than 1 g/L at 70 °F [2] | |
Hazards | |
GHS labelling: | |
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Warning | |
H315, H319 | |
P264, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, P362 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Halazone (4-(dichlorosulfamoyl)benzoic acid) is a chemical compound whose formula can be written as either C
7H
5Cl
2NO
4S or (HOOC)(C
6H
4)(SO
2)(NCl
2). It has been widely used to disinfect drinking water.
Other names for this compound include p-sulfondichloramidobenzoic acid, 4-[(dichloroamino)sulfonyl]benzoic acid, and Pantocide.