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Molecular_Structure:
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['1. Molar refractive index N/A ', '2. Molar volume N/A ', '3. Parachor （902K）N/A ', '4. Surface tension N/A ', '5. Dielectric constant N/A ', '6. Polarizability N/A ', '7. Single isotope mass 255891925 Da ', '8. Nominal mass 256 Da ', '9. Average mass 2557918 Da']
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More_Info:
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['1 . Appearance 为黑色六方晶系结晶。 ', '2 . Density（g/mL, 18 ℃ ）1563 ', '3 . Relative vapor density（g/mL,Atmosphere =1）Unknow ', '4 . Melting point（ºC）2870±50 ', '5 . Boiling point（ºC,Atmospheric pressure）6000 ', '6 . Boiling point（ºC，005mmHg）Unknow ', '7 . Refractive indexUnknow ', '8 . Flash point（ºC）Unknow ', '9 . Specific rotation（º）Unknow ', '10 . Spontaneous ignition point or ignition temperature（ºC）Unknow ', '11 . Vapor pressure（20ºC）Unknow ', '12 . Saturated vapor pressure（kPa,60ºC）Unknow ', '13 . Combustion heat（KJ/mol）Unknow ', '14 . Critical temperature（ºC）Unknow ', '15 . Critical pressure（KPa）Unknow ', '16 . Oil-water（Octanol /Water ）Logarithmic Value of Distribution Coefficient Unknow ', '17 . Upper limit of explosion（%,V/V）Unknow ', '18 . Lower limit of explosion（%,V/V）Unknow ', '19 . Solubility Soluble in 硝酸与氢氟酸的混酸and 王Water 中，Insoluble in 冷Water 。']
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