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Appearance
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White or slightly yellow, waxy solid, having a faint, characteristic odor
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Solubility
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Freely soluble in alcohol, in propylene glycol, inchloroform, and in ether; insoluble in water
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Identification 'A' ( by IR)
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Passes USP test
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Identification by HPLC
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The retention time of the main peak of the Sample solution should corresponds to that of the Standard solution
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Assay (by HPLC)
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NLT 98.5% of butylated hydroxy anisole(C11H16O) as a sum of the two isomers
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Residue on ignition
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Max 0.01%
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