PMP Pentamethylpiperidinol

Pentamethylpiperidinol (PMP, 1,2,2,6,6-pentamethylpiperidin-4-ol) is an N-methylated hindered amine intermediate used to produce low-basicity, better-compatible HALS.

Chemical Name1,2,2,6,6-Pentamethylpiperidin-4-ol
CAS No.2403-89-6
Molecular FormulaC₁₀H₂₁NO
Molecular Weight171.28
AppearanceWhite flaky solid
Assay≥ 99.0%

Applications: raw material for HALS, especially for low-basicity, acid-resistant stabilizers.

Light Stabilizer for Plastics

Light Stabilizer for Coatings