Bis(1,2,2,6,6-pentamethyl-4-piperidinyl) [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]butylmalonate

[[3,5-二叔丁基-4-羟基苯基]甲基]丁基丙二酸二(1,2,2,6,6-五甲基-4-哌啶基)酯

Also known as: Tinuvin 144, UV-144, LS-144, Sanol LS 144, Bis(1,2,2,6,6-pentamethyl-4-piperidinyl) 2-butyl-2-(3,5-di-tert-butyl-4-hydroxybenzyl)malonate, 2-Butyl-2-(4-hydroxy-3,5-di-tert-butylbenzyl)malonic acid bis(1,2,2,6,6-pentamethyl-4-piperidinyl) ester, Butyl(4-hydroxy-3,5-di-tert-butylbenzyl)malonic acid bis(1,2,2,6,6-pentamethyl-4-piperidinyl) ester, Di-(1,2,2,6,6-pentamethyl-4-piperidyl)-2-butyl-2-(3,5-di-tert-butyl-4-hydroxybenzyl)malonate

Bis(1,2,2,6,6-pentamethyl-4-piperidinyl) [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]butylmalonate (CAS 63843-89-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C42H72N2O5 and a molecular weight of 685.03100 g/mol. It is also known as Tinuvin 144, UV-144 and LS-144. Key properties include a melting point of 144ºC min, a boiling point of 644.2ºC at 760 mmHg, a density of 1.04 g/cm3 and a flash point of 343.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

63843-89-0

Jingsj CID

J-1109281-2

Molecular Formula

C₄₂H₇₂N₂O₅

Chinese Name

[[3,5-二叔丁基-4-羟基苯基]甲基]丁基丙二酸二(1,2,2,6,6-五甲基-4-哌啶基)酯

Molecular Weight

685.03100 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026