Povidone Iodine CAS:25655-41-8 CAS NO.25655-41-8

Product name:	PVP-I(PVP-lodine/Povidone-I)
Chemical Name:	Complex of PVP with iodine
CTFA Nomenclature:	PVP-Iodine
CAS No.:	25655-41-8
Molecular formula:	(C₆H₉NO)_n·xl
Structure:
Physical Properties:	exists as yellow-brown or red-brown formless powder having slightly special smell.It can dissolve in water and alcohol,not in diethylethe or choroform.It is stable complex with no irritation which can sterilize bacterial,virus,fungus effectively.It is the first-selected iodine-containing microbicide.

Item	Standard		Test Results
Identification	A.H-NMR:Comply with the structure		Complies
	B.LC-MS:Comply with the structure		Complies
	C.The IR spectrum of sample should be identical with that of reference standard;		Complies
	D.HPLC-ESI-MS		Complies
	The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.
Heavy metals	≤10 ppm		<10ppm
Water	≤1.0%		0.10%
Sulphated ash	≤0.5%, determined on 1.0 g.		0.01%
Related substances	Unspecified impurities: for each impurity	≤0.10%	<0.10%
	Total Impurity	≤0.5%	0.18%
Purity	≥99.0%		99.70%
Assay	99.0%~101.0% (anhydrous substance).		99.80%
Storage	Preserve in well-closed, light-resistant and airtight containers.		Complies