MF:	BH2N
Exact_Mass:	25.012381
More_Info:	['1 . Appearance White 松散粉末。最常见为石墨晶格。有六方and 立方两种晶型。有一种一氮化硼立方结晶的变体被认为是已知的最硬的物质。也有无定形变体。 ', '2 . Density（g/mL,25/4℃） 226 ', '3 . Relative vapor density（g/mL,Atmosphere =1）Unknow ', '4 . Melting point（ºC） 3000 ', '5 . Boiling point（ºC,Atmospheric pressure）Unknow ', '6 . Boiling point（ºC,52kPa）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（kPa,25ºC）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 具有抗化学侵蚀性质。不被无机酸and Water 侵蚀。在热浓碱中硼碳键被断开。微Soluble in 热酸，Insoluble in 冷Water 。']
Melting_Point:	2700ºC (sublimes)
PSA:	23.79000
Refractive_Index:	1.728
Density:	2.29
Molecular_Structure:	['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 2501238 Da ', '8. Nominal mass 25 Da ', '9. Average mass 248177 Da']
FW:	24.818
Computational_Chemistry:	['1. XlogP :N/A ', '2. Hydrogen Bond Donor Count :0 ', '3. Hydrogen Bond Acceptor Count :1 ', '4. Rotatable Bond Count :0 ', '5. Isotope Atom Count :N/A ', '6. TPSA 238 ', '7. Heavy Atom Count :2 ', '8. Topological Polar Surface Area :0 ', '9. Complexity :10 ', '10. Isotope Atom Count :0 ', '11. Defined Atom Stereocenter Count :0 ', '12. Undefined Atom Stereocenter Count :0 ', '13. Defined Bond Stereocenter Count :0 ', '14. Undefined Bond Stereocenter Count :0 ', '15. Covalently-Bonded Unit Count :1']

Risk_Statements(EU):	R36/37
Personal_Protective_Equipment:	dust mask type N95 (US);Eyeshields;Gloves
RTECS:	ED7800000
Hazard_Class:	2.1
Safety_Statements:	S26-S36
Hazard_Codes:	Xi:Irritant
RIDADR:	UN1950