Symbol:	Danger
FW:	179.20000
Density:	1.03 g/mL at 25 °C(lit.)
CAS:	680-31-9
Bolling_Point:	230-232 °C740 mm Hg(lit.)
Product_Name:	Hexamethylphosphoramide
Melting_Point:	7 °C(lit.)
Flash_Point:	222 °F
MF:	C6H18N3OP

Molecular_Structure:	['1 . Molar refractive index 4788 ', '2 . Molar volume 1734 ', '3 . Parachor （902K）4200 ', '4 . Surface tension 343 ', '5 . Dielectric constant ', '6 偶极距（10-24cm3） ', '7 . Polarizability 1898']
Flash_Point:	222 °F
Refractive_Index:	n20/D 1.459(lit.)
FW:	179.20000
Density:	1.03 g/mL at 25 °C(lit.)
Water_Solubility:	Miscible
Bolling_Point:	230-232 °C740 mm Hg(lit.)
Freezing_Point:	7℃
Melting_Point:	7 °C(lit.)
Computational_Chemistry:	['1. XlogP :N/A ', '2. Hydrogen Bond Donor Count :0 ', '3. Hydrogen Bond Acceptor Count :4 ', '4. Rotatable Bond Count :3 ', '5. Isotope Atom Count :N/A ', '6. TPSA 268 ', '7. Heavy Atom Count :11 ', '8. Topological Polar Surface Area :0 ', '9. Complexity :139 ', '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']
LogP:	0.77930
Vapor_Density:	6.18 (vs air)
PSA:	36.60000
MF:	C6H18N3OP
More_Info:	['1 . Appearance Colourless 透明易流动的Liquid ，微有氨味。 ', '2 . Density（g/mL,20/4ºC）10253 ', '3 . Relative vapor density（g/mL,Atmosphere =1）618 ', '4 . Melting point（ºC）720 ', '5 . Boiling point（ºC,Atmospheric pressure）233 ', '6 . Refractive index（20ºC）14582 ', '7 . Flash point（ºC）105 ', '8 运动黏度（m2/s,20ºC）347×10-6 ', '9 蒸发热（KJ/mol）5707 ', '10 熔化热（KJ/mol）1696 ', '11 . Vapor pressure（kPa,30ºC）0009 ', '12 . Solubility 能与Water 以及 Ethanol Ethyl ether and 苯等有机溶剂混溶，但Insoluble in 饱and 烷烃，能被氯代烷从Water 溶液中萃取出来形成络合物，易吸潮。']
Exact_Mass:	179.11900

Hazard_Codes:	T:Toxic;
Symbol:	Danger
Packing_Group:	III
Hazard_Class:	6.1(b)
Warning_Statement:	P201-P308 + P313
Personal_Protective_Equipment:	Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
RTECS:	TD0875000
Risk_Statements(EU):	R45;R46
Safety_Statements:	S53-S45
RIDADR:	2810
WGK_Germany:	3