Appearance: Light yellow to brown powder Density 0.9± 0.1g /cm3 Boiling point 171.8±8.0 °C at 760 mmHg Molecular formula C7H16N2 Molecular weight 128.215 Flash point 56.4±9.4 °C Accurate mass 128.131348 PSA 15.27,000 LogP 0.70 Appearance properties Transparent light yellow liquid Vapor pressure 1.4±0.3 mmHg at 25°C Refractive index 1.451 Symbol: Signal word : Danger Hazard Statement H226-H311-H315-H319-H335 Cautionary statement P261-P280-P305 + P351 + P338-P312 Personal protective equipment Eyeshields; Faceshields; full-face respirator (US); Gloves; multi-purpose combination respirator cartridge (US); type ABEK (EN14387) respirator filter Risk Statement (Europe) R10; R21; R36/37/38 Safety Statement (Europe) S16-S26-S36 Dangerous Goods Transport code UN 1992 3/PG 3 WGK Germany 3 RTECS number TM0860000 Packing Grade III Hazard Class 3 Avoid light, ventilated dry place, sealed storemore 1. Properties: liquid 2. Density (g/mL) : 0.896 3. Relative vapor density (g/mL, air =1) : uncertain 4. Melting point (ºC) : Uncertain 5. Boiling point (ºC) : 180-181 6. Boiling point (ºC, 12mmHg) : Uncertain 7. Refractive index: uncertain 8. Flash point (ºC) : 54 9. Specific rotation (º, C=4, H2O) : uncertain 10. Ignition point (ºC) : 54 11. Vapor pressure (kPa,25ºC) : Uncertain 12. Saturated vapor pressure (kPa,60ºC) : Uncertain 13. Heat of combustion (KJ/mol) : uncertain 14. Critical temperature (ºC) : Uncertain 15. Critical pressure (KPa) : Uncertain 16. Logarithmic value of oil-water (octanol/water) partition coefficient: uncertain 17. Upper explosion limit (%,V/V) : Uncertain 18. Lower explosive limit (%,V/V) : Uncertain 19. Solubility: uncertainStorage condition Avoid light, ventilated dry place, sealed store stability Stable at room temperature and pressure 1, molar refractive index: 39.22 2, molar volume (m3/mol) : 145.6 3. Isotropic specific volume (90.2K) : 333.2 4, surface tension (dyne/cm) : 27.4 5, polarizability (10-24cm 3) : 15.55 Computational chemistry 1. Reference value of hydrophobic parameter calculation (XlogP) :0.4 2. Number of hydrogen bond donors :1 3. Number of hydrogen bond receptors :2 4. Number of rotatable chemical bonds :1 5. Number of tautomers: None 6. Topological molecular polar surface area 15.3 7. Number of heavy atoms :9 8. Surface charge :0 9. Complexity :75 10. Number of isotope atoms :0 11. Determine the number of protonic centers :0 12. Number of uncertain atomic stereocentes :0 13. Determine the number of chemical bond structure centers :0 14. Number of uncertain chemical bond stereocenter :0 15. Number of covalent bond units :1 Packed in 25kg /50kg plastic drum, or packed according to customer needs. Pharmacutical intermedaites