Vitamin B5(D-Calcium Pantothenate)

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Vitamin B5(D-Calcium Pantothenate)
Posting date : Mar 08, 2012
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23-
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Vitamin B5(D-Calcium Pantothenate): D-calcium pantothenate known as Vitamin B5 is a kind of white crystalline powder, odorless, slightly hygroscopic. It tastes a little bitter. Its aqueous solution shows neutral or faintly base, it dissolves easily in water, slightly in alcohol and hardly in chloroform or ethyl ether. Specification of Vitamin B5(D-Calcium Pantothenate): Appearance---------------------A white crystalline powder CAS NO-------------------------137-08-6 Molecular Weight---------------476.54 Chemical formula----------------C18H32CaN2O10 Identification-----------------Positive Reaction Loss on drying-----------------5.0% max Heavy metals(Pb)---------------0.002% max Calcium content----------------8.2-8.6% Nitrogen content---------------5.7-6.0% Alkalinity---------------------normal reaction Ordinary Impurities------------1.0% max Specific optical rotation----------+25.0°~ +27.5° Characteristics: A white crystalline powder, no smelly odor, tastes a little bitter, has hydroscopic property. Its aqueous solution shows neutrality or slightly alkaline, easy to dissolve in water, slightly solvable in ethanol, almost can not dissolve in chloroform or aether, Melting Point: 190°C. Packing: 25kg net fibre drum inner plastic bag or 25kg carton Storage: store in a cool, dry, ventilated area. At temperature below 25 degree and less than 65% RH Standard: USP28/30; BP2003

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