TMP Tetramethylpiperidinol

Tetramethylpiperidinol (TMP, 2,2,6,6-tetramethyl-4-piperidinol) is obtained by reduction of triacetonamine. It is a key intermediate for HALS and is mainly used to produce light stabilizers such as 770 and GW-540.

Chemical Name2,2,6,6-Tetramethyl-4-piperidinol
CAS No.2403-88-5
Molecular FormulaC₉H₁₉NO
Molecular Weight157.25
AppearanceWhite crystals
Assay≥ 99.0%

Applications: raw material for HALS; intermediate for pharmaceuticals, bleaching agents and epoxy crosslinkers.