Melting_Point:	−2.2 °C(lit.)
CAS:	764-01-2
MF:	C4H6O
Flash_Point:	51.7±0.0 °C
Product_Name:	2-Butyn-1-ol
Density:	0.9±0.1 g/cm3
FW:	70.090
Bolling_Point:	148.0±8.0 °C at 760 mmHg

Refractive_Index:	1.447
Vapor_Pressure:	1.7±0.6 mmHg at 25°C
Flash_Point:	51.7±0.0 °C
LogP:	0.13
Bolling_Point:	148.0±8.0 °C at 760 mmHg
PSA:	20.23000
Molecular_Structure:	['1 . Molar refractive index 2012 ', '2 . Molar volume 753 ', '3 . Parachor （902K）1861 ', '4 . Surface tension 372 ', '5 . Dielectric constant ', '6 偶极距（10-24cm3） ', '7 . Polarizability 797']
Computational_Chemistry:	['1. XlogP :02 ', '2. Hydrogen Bond Donor Count :1 ', '3. Hydrogen Bond Acceptor Count :1 ', '4. Rotatable Bond Count :0 ', '5. Isotope Atom Count :N/A ', '6. TPSA 202 ', '7. Heavy Atom Count :5 ', '8. Topological Polar Surface Area :0 ', '9. Complexity :622 ', '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']
Melting_Point:	−2.2 °C(lit.)
MF:	C4H6O
Exact_Mass:	70.041862
FW:	70.090
Density:	0.9±0.1 g/cm3
More_Info:	['1 . Appearance Unknow ', '2 . Density（g/mL,25/4℃）0937g/mL ', '3 相对. Density（20℃，4℃）09370 ', '4 . Melting point（ºC）−22ºC ', '5 . Boiling point（ºC,Atmospheric pressure）148ºC ', '6 常温. Refractive index（n20）14530 ', '7 . Refractive indexn 20/D 14530 ', '8 . Flash point（ºF）125° ', '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 Unknow']

Hazard_Class:	3
Risk_Statements(EU):	R10;R43;R52/53
WGK_Germany:	3
RIDADR:	UN 1987 3/PG 3
Hazard_Codes:	Xi:Irritant;
HS_Code:	29052990
Safety_Statements:	S36/37
Packing_Group:	III