Vitamin B6

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Vitamin B6
Posting date : Nov 12, 2009
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23-
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Vitamin B6 White to light yellow crystal or white crystalline powder. Odorless. With acid and bitter taste. From the mixture of ethanol and acetone crystallized to tabular or columnar crystals. Melting at 206 and partially decomposed. PH value of 2 in the 291nm absorption peak there. PH value of 7 in the 254nm and 324nm absorption peak there. 10% aqueous solution of the PH value of 2.2-3.0. The stability of the air. Better heat resistance. By the slow decomposition of sunlight, is to accelerate the decomposition of aqueous solutions. Litmus test of its solution acidic, PH value of about 3. Soluble in water(19g/100ml,25) and propylene glycol (27.3g/100g,25 ). Soluble in ethanol (0.47g/100g,25 ) do not dissolve in ether and chloroform. Heated to 120in neutral solution ,polymerization occurred. But it is stability under acid or alkaline, not polymerization. APPLICATION:Nutritional supplements. Added 0.1mg/100g to modified formula. Packaging: 25kg/barrel Quality Standards: CP2005,GB14753-1993

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