The 1,2,2,6,6-Pentamethyl-4-piperidinol, with the CAS registry number 2403-89-6 and EINECS registry number 219-292-8, has the systematic name of 1,2,2,6,6-pentamethylpiperidin-4-ol. The molecular formula of this chemical is C₁₀H₂₁NO. It is a kind of light yellow flakes, and belongs to the following product categories: Industrial/Fine Chemicals; API intermediates. What's more, it is usually used as hindered amine light stabilizer, and it is an important intermediate of medicine, bleaching agent, and epoxy crosslinking.

The physical properties of 1,2,2,6,6-Pentamethyl-4-piperidinol are as following: (1)ACD/LogP: 1.55; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.53; (4)ACD/LogD (pH 7.4): -0.81; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 12.47 Å²; (13)Index of Refraction: 1.451; (14)Molar Refractivity: 51.56 cm³; (15)Molar Volume: 191.3 cm³; (16)Polarizability: 20.44×10^-24cm³; (17)Surface Tension: 26.6 dyne/cm; (18)Density: 0.895 g/cm³; (19)Flash Point: 22.8 °C; (20)Enthalpy of Vaporization: 54.24 kJ/mol; (21)Boiling Point: 229.9 °C at 760 mmHg; (22)Vapour Pressure: 0.0129 mmHg at 25°C.

Uses of 1,2,2,6,6-Pentamethyl-4-piperidinol: It can react with iodomethane to produce 1,2,2,6,6-pentamethyl-piperidin-4-ol. This reaction will need solvent methanol with ambient temperature, and the yield is about 70.7%.   

You should be cautious while dealing with this chemical. It is harmful if swallowed, and may cause burns. It may also cause sensitization by skin contact. Therefore, you had better take the following instructions: Wear suitable protective clothing, gloves and eye/face protection, and in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice; In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).

You can still convert the following datas into molecular structure:
(1)SMILES: OC1CC(N(C)C(C)(C)C1)(C)C
(2)InChI: InChI=1/C10H21NO/c1-9(2)6-8(12)7-10(3,4)11(9)5/h8,12H,6-7H2,1-5H3
(3)InChIKey: NWHNXXMYEICZAT-UHFFFAOYAE