Povidone (k30, k90)

Key Attributes.

Povidone (K30, K90) CAS: 9003-39-8 Character: White or yellowish-white powder or flakes, hygroscopic, freely soluble in water, in alcohol and in methanol, slightly soluble in acetone, practically insoluble in ether. Package: Net weight 25KG per drum,or Net weight 25KG per bag. Specifications: Conforms to standard BP,USP,CP. Tests USP BP CP Identification Conforms Conforms Conforms PH(5% in water) 3.0~7.0 3.0~7.0 3.0~7.0 Water =5.0% =5.0% =5.0% Residue on ignition =0.1% =0.1% =0.1% Lead =10ppm =10ppm =10ppm Aldehydes =0.05% =0.05% =9.1ml Hydrazine =1ppm =1ppm Vinylpynrrolidinone =0.2% =0.001% =3.6ml Peroxides =0.04% Appearance of solution Conforms Nitrogen content 11.5~12.8% 11.5~12.8% 11.5~12.8%