1,2,2,6,6-Pentamethyl-4-piperidinol

1,2,2,6,6-五甲基-4-哌啶醇

Also known as: 4-Hydroxy-1,2,2,6,6-pentamethylpiperidine, 1,2,2,6,6-Pentamethyl-4-hydroxypiperidine, N-Methyl-2,2,6,6-tetramethyl-4-piperidinol, 1,2,2,6,6-Pentamethylpiperidin-4-ol, 4-Piperidinol, 1,2,2,6,6-pentamethyl-, HOPEMP, N-Methyltriacetoneaminoalcohol

1,2,2,6,6-Pentamethyl-4-piperidinol (CAS 2403-89-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H21NO and a molecular weight of 171.280 g/mol. It is also known as 4-Hydroxy-1,2,2,6,6-pentamethylpiperidine, 1,2,2,6,6-Pentamethyl-4-hydroxypiperidine and N-Methyl-2,2,6,6-tetramethyl-4-piperidinol. Key properties include a melting point of 72-76 °C, a boiling point of 238 ºC, a density of 0.967 and a flash point of 22.8±14.5 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2403-89-6
Jingsj CID
J-4530-2
Molecular Formula
C10H21NO
Chinese Name
1,2,2,6,6-五甲基-4-哌啶醇
Molecular Weight
171.280 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point72-76 °C
Boiling Point238 ºC
Density0.967
Flash Point22.8±14.5 °C

GHS Safety & Compliance

Corrosion / Irritant / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 1,2,2,6,6-Pentamethyl-4-piperidinol?

The CAS number of 1,2,2,6,6-Pentamethyl-4-piperidinol is 2403-89-6.

What are the molecular formula and molecular weight of 1,2,2,6,6-Pentamethyl-4-piperidinol?

1,2,2,6,6-Pentamethyl-4-piperidinol has molecular formula C10H21NO and molecular weight 171.280 g/mol.

Is 1,2,2,6,6-Pentamethyl-4-piperidinol hazardous?

1,2,2,6,6-Pentamethyl-4-piperidinol has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,2,2,6,6-Pentamethyl-4-piperidinol (CAS 2403-89-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4530-2 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.