Symbol:	Danger
FW:	201.219
Density:	2.367 g/mL at 25 °C(lit.)
CAS:	1330-43-4
Bolling_Point:	1575°C
Product_Name:	Sodium tetraborate
Melting_Point:	741 °C(lit.)
Flash_Point:	1575°C
MF:	B4Na2O7

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 201981166 Da ', '8. Nominal mass 202 Da ', '9. Average mass 2012193 Da']
Flash_Point:	1575°C
Refractive_Index:	1.501
FW:	201.219
Density:	2.367 g/mL at 25 °C(lit.)
Bolling_Point:	1575°C
Melting_Point:	741 °C(lit.)
Computational_Chemistry:	['1 . Hydrogen Bond Donor Count 7 ', '2 . Hydrogen Bond Acceptor Count 14 ', '3 . Rotatable Bond Count 0 ', '4 . TPSA 14 ', '5 . Heavy Atom Count 20 ', '6 . Topological Polar Surface Area 0 ', '7 . Complexity 0 ', '8 . Isotope Atom Count 0 ', '9 . Defined Atom Stereocenter Count 0 ', '10 . Undefined Atom Stereocenter Count 0 ', '11 . Defined Bond Stereocenter Count 0 ', '12 . Undefined Bond Stereocenter Count 0 ', '13 . Covalently-Bonded Unit Count 20']
Water_Solubility:	26 g/L (20 ºC)
PSA:	92.27000
MF:	B4Na2O7
More_Info:	['1 . Appearance Colourless or White 的结晶性粉末，无臭。 ', '2 . Density（g/mL,25/4℃）α-斜方晶体，相对. Density228。β-斜方晶体，相对. Density275。 ', '3 . Relative vapor density（g/mL,Atmosphere =1）Unknow ', '4 . Melting point（ºC）α. Melting point742\ue0105 ℃。β. Melting point664 ℃。 ', '5 . Boiling point（ºC,Atmospheric pressure）1575 ', '6 . Boiling point（ºC,52kPa） Unknow ', '7 . Refractive index 1501 ', '8 . Flash point（ºC） 1575 ', '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 Soluble in Water 甘油，Insoluble in Ethanol 。易风化。']
Exact_Mass:	201.981171

Hazard_Codes:	Xn: Harmful;Xi: Irritant;
Symbol:	Danger
Warning_Statement:	P201-P280-P305 + P351 + P338-P308 + P313
HS_Code:	2840200000
Personal_Protective_Equipment:	Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
RTECS:	ED4588000
Risk_Statements(EU):	R62
Safety_Statements:	36/37-24/25-26-36-23
RIDADR:	UN 1760 8/PG 2
WGK_Germany:	1