Povidone K25 CAS 9003-39-8

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CAS: 9003-39-8

MF: (C₆H₉NO)n

MW: ~24,000 (avg.)

Product Categories	APIs, Raw Materials (IVD), Reagents for Northern and Southern Blotting
CAS RN	9003-39-8
Alternative CAS RN	-
EC Number	-
MDL Number	MFCD00149016
Storage Temperature	+20°C
Shipping Temperature	Ambient
Harmonised Tariff Code	39059990

Physical Description	White powder
Solubility	Freely soluble in water, in ethanol and in methanol, very slightly soluble in acetone
Identification	A, B, C, D, E
Appearance of Solution	1g in 20ml water: ≤ B6, BY6 or R6
pH	3.0 - 5.0 (5% in water)
Viscosity	23.0 - 27.0 (K-value)
Aldehydes	≤ 500ppm
Peroxides	≤ 400ppm
Hydrazine	≤ 1ppm
Impurities	1-Vinylpyrrolidin-2-one: ≤ 10ppm
	2-Pyrrolidone: ≤ 3%
Heavy Metals	≤ 10ppm
Water	≤ 5.0%
Sulfated Ash	≤ 0.1%
Formic acid	≤ 0.5%
Nitrogen Content	11.5 - 12.8 %
Pharmacopoeia Specification(s)	Conforms to EP, USP
Specification Version	1.0