Halazone

Halazone
Names
	Preferred IUPAC name 4-(Dichlorosulfamoyl)benzoic acid
	Other names Pantocide; p-Sulfondichloramidobenzoic acid;
Identifiers
CAS Number	80-13-7 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL1368146 ;
ChemSpider	3431 ;
ECHA InfoCard	100.001.140
EC Number	201-253-1;
PubChem CID	3552;
UNII	G359OL82VB;
UN number	1479
CompTox Dashboard (EPA)	DTXSID9025370 ;
	InChI InChI=1S/C7H5Cl2NO4S/c8-10(9)15(13,14)6-3-1-5(2-4-6)7(11)12/h1-4H,(H,11,12) Key: XPDVQPODLRGWPL-UHFFFAOYSA-N;
	SMILES C1=CC(=CC=C1C(=O)O)S(=O)(=O)N(Cl)Cl;
Properties
Chemical formula	C7H5Cl2NO4S
Molar mass	270.08 g·mol−1
Appearance	Fine white powder with an odor of chlorine
Melting point	213 °C (415 °F; 486 K); 196 °C with decomposition.
Solubility in water	Less than 1 g/L at 70 °F
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319
Precautionary statements	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). (what is ?) Infobox references

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.

Names

Preferred IUPAC name 4-(Dichlorosulfamoyl)benzoic acid
Other names Pantocide p-Sulfondichloramidobenzoic acid
Identifiers
CAS Number	80-13-7^Y
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL1368146^Y
ChemSpider	3431^N
ECHA InfoCard	100.001.140
EC Number	201-253-1
PubChem CID	3552
UNII	G359OL82VB
UN number	1479
CompTox Dashboard (EPA)	DTXSID9025370
InChI InChI=1S/C7H5Cl2NO4S/c8-10(9)15(13,14)6-3-1-5(2-4-6)7(11)12/h1-4H,(H,11,12) Key: XPDVQPODLRGWPL-UHFFFAOYSA-N
SMILES C1=CC(=CC=C1C(=O)O)S(=O)(=O)N(Cl)Cl
Properties
Chemical formula	C₇H₅Cl₂NO₄S
Molar mass	270.08 g·mol⁻¹
Appearance	Fine white powder with an odor of chlorine
Melting point	213 °C (415 °F; 486 K); 196 °C with decomposition.
Solubility in water	Less than 1 g/L at 70 °F
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319
Precautionary statements	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). N (what is ^YN ?) Infobox references