Product_Name:	L-Cystine
Flash_Point:	237.0±28.7 °C
Melting_Point:	260-261ºC
FW:	240.301
Density:	1.6±0.1 g/cm3
CAS:	56-89-3
Bolling_Point:	468.2±45.0 °C at 760 mmHg
MF:	C6H12N2O4S2

Molecular_Structure:	['五分子性质数据 ', '1 . Molar refractive index 5595 ', '2 . Molar volume 1528 ', '3 . Parachor （902K）4686 ', '4 . Surface tension 882 ', '5 . Polarizability 2218']
Flash_Point:	237.0±28.7 °C
Refractive_Index:	1.653
FW:	240.301
Density:	1.6±0.1 g/cm3
Bolling_Point:	468.2±45.0 °C at 760 mmHg
Computational_Chemistry:	['1. XlogP :-63 ', '2. Hydrogen Bond Donor Count :4 ', '3. Hydrogen Bond Acceptor Count :8 ', '4. Rotatable Bond Count :7 ', '5. Isotope Atom Count :N/A ', '6. TPSA 177 ', '7. Heavy Atom Count :14 ', '8. Topological Polar Surface Area :0 ', '9. Complexity :192 ', '10. Isotope Atom Count :0 ', '11. Defined Atom Stereocenter Count :2 ', '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:	1.23
Melting_Point:	260-261ºC
PSA:	177.24000
MF:	C6H12N2O4S2
More_Info:	['1 . Appearance White 六角形板状晶体or 结晶粉末。无臭，无味。 ', '2 . Density（g/mL,25/4℃） 1677 ', '3 . Relative vapor density（g/mL,Atmosphere =1）Unknow ', '4 . Melting point（ºC）点260～261℃（分解） ', '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）[α]D20 －2234°（C=1，1mol/L盐酸中）。 ', '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 稀酸and 碱性溶液，极微Soluble in Water ，Insoluble in Ethanol Ethyl ether 苯and 氯仿。']
Vapor_Pressure:	0.0±2.5 mmHg at 25°C
Exact_Mass:	240.023849

Personal_Protective_Equipment:	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard_Codes:	Xi: Irritant;
Risk_Statements(EU):	R36/37/38
RTECS:	HA2690000
Packing_Group:	III
RIDADR:	UN 2811 6.1/PG 3
HS_Code:	2930901000
WGK_Germany:	3
Safety_Statements:	S24/25