Jiangsu Magic Biotechnology Co., Ltd
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维生素D3化学性质熔点:83-86°C(lit.)比旋光度:105º(c=0.8,EtOH25ºC)沸点:451.27°C(roughestimate)密度:0.9717(roughestimate)蒸气压:2.0xl0-6Pa(20°C,est.)折射率:1.5100(estimate)闪点:14°C储存条件:-20°C溶解度:Practicallyinsolubleinwater,freelysolubleinethanol(96percent),solubleintrimethylpentanChemicalbookeandinfattyoils.Itissensitivetoair,heatandlight.Solutionsinsolventswithoutanantioxidantareunstableandaretobeusedimmediately.Areversibleisomerisationtopre-cholecalciferoltakesplaceinsolution,dependingontemperatureandtime.Theactivityisduetobothcompounds. |
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