Curcumin

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Curcumin
Posting date : Feb 11, 2009
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Free Member Scince Aug 08, 2008
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CHEMICAL | Pharmaceut
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30-
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Detailed Description
Curcumin Cas NO.: 458-37-7 Molecular formula:C21H20O6 Molecular Weight:368.38 Assay:≥90% Temperature : 183 ° C Appearance : orange yellow crystalline powder. Dissolved : do not dissolve in water, micro-soluble ether and benzene, can be dissolved in heating ethanol, acetic acid and Soluble in alkaline solution. Usage: a natural dye. Direct fuel use and also can be used as very indicative of pH, color range of 7.8 to 9.2, from yellow-brown discoloration. Turmeric system for test paper and boric acid for the qualitative analysis. Preparation or sources : from turmeric root access.
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