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Vedlegg 1NatriumvalproatC 8 H 15 NaO 2M r 166.2CHARACTERSAppearance: white or almost white, crystalline, hygroscopic powder.Solubility: very soluble in water, slightly or freely soluble in ethanol (96 per cent).ValproinsyreC 8 H 16 O 2M r 144.2CHARACTERSAppearance: colourless or very slightly yellow, clear liquid, slightly viscous.Solubility: very slightly soluble in water, miscible with ethanol (96 per cent) and withmethylene chloride. It dissolves in dilute solutions of alkali hydroxides.Tilleggsinformasjon:pKa (valproinsyre) = 4,8

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