Melting_Point:	-50 °C
CAS:	584-03-2
MF:	C4H10O2
Flash_Point:	93.3±0.0 °C
Product_Name:	1,2-butanediol
Density:	1.0±0.1 g/cm3
FW:	90.121
Bolling_Point:	190.3±8.0 °C at 760 mmHg

Refractive_Index:	1.438
Vapor_Pressure:	0.1±0.8 mmHg at 25°C
Flash_Point:	93.3±0.0 °C
LogP:	-0.81
Bolling_Point:	190.3±8.0 °C at 760 mmHg
PSA:	40.46000
Molecular_Structure:	['分子性质数据 ', '1 . Molar refractive index 2360 ', '2 . Molar volume （m3/mol）899 ', '3 . Parachor （902K）2221 ', '4 . Surface tension 371 ', '5 . Polarizability 935']
Computational_Chemistry:	['1. XlogP :-02 ', '2. Hydrogen Bond Donor Count :2 ', '3. Hydrogen Bond Acceptor Count :2 ', '4. Rotatable Bond Count :2 ', '5. Isotope Atom Count :N/A ', '6. TPSA 405 ', '7. Heavy Atom Count :6 ', '8. Topological Polar Surface Area :0 ', '9. Complexity :287 ', '10. Isotope Atom Count :0 ', '11. Defined Atom Stereocenter Count :0 ', '12. Undefined Atom Stereocenter Count :1 ', '13. Defined Bond Stereocenter Count :0 ', '14. Undefined Bond Stereocenter Count :0 ', '15. Covalently-Bonded Unit Count :1']
Melting_Point:	-50 °C
MF:	C4H10O2
Exact_Mass:	90.068077
FW:	90.121
Density:	1.0±0.1 g/cm3
More_Info:	['1 . Appearance Liquid 。 ', '2 . Density（g/mL,25/4℃）100 ', '3 . Relative vapor density（g/mL,Atmosphere =1）Unknow ', '4 . Melting point（ºC）Unknow ', '5 . Boiling point（ºC,Atmospheric pressure）2075 ', '6 . Boiling point（ºC,52kPa）Unknow ', '7 . Refractive index14380 ', '8 . Flash point（ºC）93 ', '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 Ethanol and 丙酮。']

RTECS:	EK0380000
Safety_Statements:	S24/25
WGK_Germany:	2
Personal_Protective_Equipment:	Eyeshields;Gloves;half-mask respirator (US);multi-purpose combination respirator cartridge (US)