4-Amino-2,2,6,6-tetramethylpiperidine 1-oxyl

4-氨基-2,2,6,6-四甲基哌啶-1-氧自由基

Also known as: 4-Amino-TEMPO, 4-Amino-TEMPO free radical, 4-Amino-2,2,6,6-tetramethylpiperidine 1-oxyl, free radical, 4-Amino-2,2,6,6-tetramethylpiperidinooxy, 4-Amino-2,2,6,6-tetramethylpiperidinyloxy, tempamine, 2,2,6,6-Tetramethyl-4-amino-1-piperidinyloxy, 4-Amino-1-oxy-2,2,6,6-tetramethylpiperidine, 1-Piperidinyloxy, 4-amino-2,2,6,6-tetramethyl-, MFCD00006479

4-Amino-2,2,6,6-tetramethylpiperidine 1-oxyl (CAS 14691-88-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H19N2O and a molecular weight of 171.260 g/mol. It is also known as 4-Amino-TEMPO, 4-Amino-TEMPO free radical and 4-Amino-2,2,6,6-tetramethylpiperidine 1-oxyl, free radical. Key properties include a melting point of 37-39°C, a boiling point of 98 °C / 4mmHg, a density of 0.962g/cm3 and a flash point of 39 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

14691-88-4

Jingsj CID

J-19462-2

Molecular Formula

C₉H₁₉N₂O

Chinese Name

4-氨基-2,2,6,6-四甲基哌啶-1-氧自由基

Molecular Weight

171.260 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026