2,2,6,6-Tetramethyl-4-piperidinol

2,2,6,6-四甲基-4-哌啶醇

Also known as: 4-Hydroxy-2,2,6,6-tetramethylpiperidine, 2,2,6,6-Tetramethyl-4-hydroxypiperidine, 2,2,6,6-Tetramethylpiperidin-4-ol, 4-Piperidinol, 2,2,6,6-tetramethyl-, TAA-OL, Triacetonamino alcohol, Triacetonalkamine, Triacetonamino Alcohol TAA-ol, Lastar A

2,2,6,6-Tetramethyl-4-piperidinol (CAS 2403-88-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H19NO and a molecular weight of 157.253 g/mol. It is also known as 4-Hydroxy-2,2,6,6-tetramethylpiperidine, 2,2,6,6-Tetramethyl-4-hydroxypiperidine and 2,2,6,6-Tetramethylpiperidin-4-ol. Key properties include a melting point of 129-131 °C(lit.), a boiling point of 214.1±15.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 53.0±11.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2403-88-5

Jingsj CID

J-11378-0

Molecular Formula

C₉H₁₉NO

Chinese Name

2,2,6,6-四甲基-4-哌啶醇

Molecular Weight

157.253 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026