2,2,6,6-Tetramethylpiperidinooxy
Also known as: TEMPO, 2,2,6,6-Tetramethyl-1-piperidinyloxy, 2,2,6,6-Tetramethylpiperidine 1-oxyl, 2,2,6,6-Tetramethylpiperidin-1-oxyl, Tanane, Tetramethylpiperidinooxy, (2,2,6,6-Tetramethylpiperidin-1-yl)oxidanyl
2,2,6,6-Tetramethylpiperidinooxy (CAS 2564-83-2) 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 156.245 g/mol. Key properties include a melting point of 36-38 °C(lit.), a boiling point of 193°C, a density of 1 g/cm3 and a flash point of 67.8 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 2564-83-2
- Jingsj CID
- J-6166-5
- Molecular Formula
- C10H21NO
- Molecular Weight
- 156.245 g/mol
- Category
- Pharma Intermediates
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 36-38 °C(lit.) |
|---|---|
| Boiling Point | 193°C |
| Density | 1 g/cm3 |
| Flash Point | 67.8 °C |
| Exact Mass | 156.138840 |
| PSA | 3.24000 |
| LogP | 2.31290 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Activity & Biological Data
| Additional Information | [1]. Du K, et al. Mitochondria-targeted antioxidant Mito-Tempo protects against acetaminophen hepatotoxicity. Arch Toxicol. 2017 Feb;91(2):761-773. [2]. Guo X, et al. Comparative Genotoxicity of TEMPO and 3 of Its Derivatives in Mouse Lymphoma Cells. Toxicol Sci. 2018 May 1;163(1):214-225. [3]. Lv H, et al. TEMPO catalyzed oxidative dehydrogenation of hydrazobenzenes to azobenzenes. Org Biomol Chem. 2020 Apr 22. [4]. Chen X, et al. Isocitrate dehydrogenase 2 contributes to radiation resistance of oesophageal squamous cell carcinoma via regulating mitochondrial function and ROS/pAKT signalling. Br J Cancer. 2020 May 5. |
|---|
Customs & Trade Information
| HS Code | 29333999 |
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Frequently Asked Questions
What is the CAS number of 2,2,6,6-Tetramethylpiperidinooxy?
The CAS number of 2,2,6,6-Tetramethylpiperidinooxy is 2564-83-2.
What are the molecular formula and molecular weight of 2,2,6,6-Tetramethylpiperidinooxy?
2,2,6,6-Tetramethylpiperidinooxy has molecular formula C10H21NO? and molecular weight 156.245 g/mol.
Is 2,2,6,6-Tetramethylpiperidinooxy hazardous?
2,2,6,6-Tetramethylpiperidinooxy has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 2,2,6,6-Tetramethylpiperidinooxy?
For 2,2,6,6-Tetramethylpiperidinooxy, Upstream Products: 2,2,6,6-Tetramethylpiperidine, Carbon tetrachloride, 2,2,6,6-tetramethyl-1-(1-phenylethoxy)piperidine; Downstream Products: 4-(4-Methoxyphenyl)butanoic acid, Cycloheptanol, 2,3-Dimethyl-2,3-diphenylbutane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,2,6,6-Tetramethylpiperidinooxy (CAS 2564-83-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6166-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.