2,6-Dichloroquinone-4-chloroimide

2,6-Dichloroquinone-4-chloroimide
Names
	Preferred IUPAC name 2,6-Dichloro-4-(chloroimino)cyclohexa-2,5-dien-1-one
Identifiers
CAS Number	101-38-2;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL3276931;
ChemSpider	7275;
ECHA InfoCard	100.002.671
EC Number	202-937-2;
PubChem CID	7556;
UNII	Y19A13RZO0;
CompTox Dashboard (EPA)	DTXSID2059229 ;
	InChI InChI=1S/C6H2Cl3NO/c7-4-1-3(10-9)2-5(8)6(4)11/h1-2H Key: YHUMTHWQGWPJOQ-UHFFFAOYSA-N;
	SMILES C1=C(C(=O)C(=CC1=NCl)Cl)Cl;
Properties
Chemical formula	C6H2Cl3NO
Molar mass	210.44 g·mol−1
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H242, H315, H319, H335
Precautionary statements	P210, P220, P234, P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, P411, P420, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

2,6-Dichloroquinone-4-chloroimide (Gibbs reagent) is an organic compound used as an colorimetric indicator to detect phenolic compounds.^[1] Upon reaction with phenol itself, 2,6-dichlorophenolindophenol is formed,^[2] a chemical that is used as a redox indicator.

References

^ Arip, Mohamad Nasir Mat; Heng, Lee Yook; Ahmad, Musa; Aishah Hasbullah, Siti (2013). "Reaction of 2,6-dichloroquinone-4-chloroimide (Gibbs reagent) with permethrin – an optical sensor for rapid detection of permethrin in treated wood". Chem Cent J. 7: 122. doi:10.1186/1752-153X-7-122. PMC 3726330. PMID 23867006.
^ Svobodová, D.; Křenek, P.; Fraenkl, M.; Gasparič, J. (1977). "Colour Reaction of Phenols with the Gibbs Reagent. The Reaction Mechanism and Decomposition and Stabilisation of the Reagent". Microchim. Acta. 67 (3–4): 251–264. doi:10.1007/BF01213035. S2CID 93587492.

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