Melting_Point:	285-286 °C (dec.)(lit.)
CAS:	56-06-4
MF:	C4H6N4O
Flash_Point:	270.7±30.9 °C
Product_Name:	2,4-Diamino-6-hydroxypyrimidine
Density:	1.6±0.1 g/cm3
FW:	126.117
Bolling_Point:	524.0±53.0 °C at 760 mmHg

Refractive_Index:	1.770
Vapor_Pressure:	0.0±1.4 mmHg at 25°C
Flash_Point:	270.7±30.9 °C
LogP:	-1.29
Bolling_Point:	524.0±53.0 °C at 760 mmHg
PSA:	98.05000
Molecular_Structure:	['1 . Molar refractive index 3278 ', '2 . Molar volume 788 ', '3 . Parachor （902K）2622 ', '4 . Surface tension 1222 ', '5 . Polarizability 1299']
Computational_Chemistry:	['1 . XlogP -18 ', '2 . Hydrogen Bond Donor Count 3 ', '3 . Hydrogen Bond Acceptor Count 4 ', '4 . Rotatable Bond Count 0 ', '5 . Isotope Atom Count 17 ', '6 . TPSA 935 ', '7 . Heavy Atom Count 9 ', '8 . Topological Polar Surface Area 0 ', '9 . Complexity 205 ', '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:	285-286 °C (dec.)(lit.)
MF:	C4H6N4O
Exact_Mass:	126.054161
FW:	126.117
Density:	1.6±0.1 g/cm3
More_Info:	['1 . Appearance Yellow 针状结晶 ', '2 . Density（g/mL,25/4℃） Unknow ', '3 . Relative vapor density（g/mL,Atmosphere =1）Unknow ', '4 . Melting point（ºC）260~270 ', '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 Unknow']

Risk_Statements(EU):	R36/37/38
WGK_Germany:	3
Personal_Protective_Equipment:	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
RIDADR:	NONH for all modes of transport
Hazard_Codes:	Xi
HS_Code:	29335995
Safety_Statements:	S22-S24/25