The 1,3,6,8-Nonatetraen-5-one,1,9-diphenyl-, with the CAS registry number 622-21-9, is also known as 1,9-Diphenyl-1,3,6,8-nonatetraen-5-one. Its EINECS number is 210-724-0. This chemical's molecular formula is C₂₁H₁₈O and molecular weight is 286.37. What's more, its systematic name is 1,3,6,8-Nonatetraen-5-one, 1,9-diphenyl-. The product should be sealed and stored in containers which are placed in cool and dry places. It should be protected from oxidizers.

Physical properties of 1,3,6,8-Nonatetraen-5-one,1,9-diphenyl- are: (1)ACD/LogP: 4.46; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 1; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 6; (6)Polar Surface Area: 17.07 Å²; (7)Index of Refraction: 1.643; (8)Molar Refractivity: 96.27 cm³; (9)Molar Volume: 266.1 cm³; (10)Polarizability: 38.16×10^-24cm³; (11)Surface Tension: 44.4 dyne/cm; (12)Density: 1.075 g/cm³; (13)Flash Point: 208.7 °C; (14)Enthalpy of Vaporization: 73.82 kJ/mol; (15)Boiling Point: 474.8 °C at 760 mmHg; (16)Vapour Pressure: 3.5E-09 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. When using it, you need avoid contact with skin and eyes.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(\C=C\C=C\c1ccccc1)\C=C\C=C\c2ccccc2
(2)InChI: InChI=1S/C21H18O/c22-21(17-9-7-15-19-11-3-1-4-12-19)18-10-8-16-20-13-5-2-6-14-20/h1-18H/b15-7+,16-8+,17-9+,18-10+
(3)InChIKey: RLJALOQFYHCJKG-FVRNMFRHSA-N