N-Iodosuccinimide

Names
Preferred IUPAC name 1-Iodopyrrolidine-2,5-dione
Identifiers
CAS Number	516-12-1
3D model (JSmol)	Interactive image
Beilstein Reference	113917
ChEBI	CHEBI:53204
ChemSpider	107372
ECHA InfoCard	100.007.475
EC Number	208-221-6
Gmelin Reference	122896
PubChem CID	120273
UNII	3COS3X3N4P
CompTox Dashboard (EPA)	DTXSID10199550
InChI InChI=1S/C4H4INO2/c5-6-3(7)1-2-4(6)8/h1-2H2 Key: LQZMLBORDGWNPD-UHFFFAOYSA-N
SMILES C1CC(=O)N(C1=O)I
Properties
Chemical formula	C4H4INO2
Molar mass	224.985 g·mol−1
Appearance	White solid
Density	2.245 g/cm3
Melting point	202–206 °C (396–403 °F; 475–479 K)(dec.) [1]
Solubility in water	Soluble in Dioxane, THF, MeCN; Insoluble in ether, CCl4
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302, H315, H319, H335
Precautionary statements	P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

N-Iodosuccinimide (NIS) is a reagent used in organic chemistry for the iodination of alkenes and as a mild oxidant.^[2][3]

NIS is the iodine analog of N-chlorosuccinimide (NCS) and N-bromosuccinimide (NBS) which are used for similar applications.