2,2,6,6-四甲基哌啶基-1-氧化物

Description

2,2,6,6-tetramethylpiperidinyl-1-oxide · CAS 2564-83-2 · C9H18NO. UNII VQN7359ICQ. Vapor Pressure: 0.000006 [mmHg].

Identification

CAS Registry Number	2564-83-2
PubChem CID	2724126
Molecular formula	C9H18NO
UNII (FDA)	VQN7359ICQ

Computed Descriptors

Molecular Weight	156.25
XLogP3	1.4
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	156.138839198
Monoisotopic Mass	156.138839198
Topological Polar Surface Area	4.2
Heavy Atom Count	11
Formal Charge	0

Physical & Chemical Properties

Vapor Pressure	0.000006 [mmHg]

Physical description & handling notes

• Dark red solid; [Merck Index] Red crystalline solid; mp = 32-37 deg C; [Alfa Aesar MSDS]

Regulatory Status

GHS notification summary	1.2% (5 / 403)

GHS Hazard Classification

GHS notification summary	1.2% (5 / 403)
Reported hazard statements	H314 (93.1%), H318 (44.9%), H412 (41.7%)

Documented Uses

• Used in organic chemistry (radical trap, catalyst, and polymerization mediator); [Merck Index] Used as a spin label in MRI; [REPROTOX]
• 1-Piperidinyloxy, 2,2,6,6-tetramethyl-: ACTIVE
• Naturally occurring or synthetic substances that inhibit or retard oxidation reactions. They counteract the damaging effects of oxidation in animal tissues.

Synonyms

TEMPO; Tanane; Tanan; 2,2,6,6-Tetramethyl-1-piperidinyloxy; 2,2,6,6-Tetramethylpiperidine-1-oxyl; Tetramethylpiperidinooxy; VQN7359ICQ; Tetramethylpiperidine nitroxide; DTXSID2073300; 1-Piperidinyloxy, 2,2,6,6-tetramethyl-; CHEBI:32849; 2,2,6,6-tetramethyl-4-piperidine-N-oxide; RefChem:187806; DTXCID7037345; 219-888-8; 2564-83-2

Frequently Asked Questions

What are the CAS number and molecular formula of 2,2,6,6-tetramethylpiperidinyl-1-oxide?

CAS 2564-83-2; molecular formula C9H18NO; molecular weight — g/mol.

What other names is 2,2,6,6-tetramethylpiperidinyl-1-oxide known by?

TEMPO, Tanane, Tanan, 2,2,6,6-Tetramethyl-1-piperidinyloxy, 2,2,6,6-Tetramethylpiperidine-1-oxyl, Tetramethylpiperidinooxy.

Is 2,2,6,6-tetramethylpiperidinyl-1-oxide classified as hazardous?

1.2% of GHS notifications report no hazard classification (5 of 403).

What are the key physical properties of 2,2,6,6-tetramethylpiperidinyl-1-oxide?

Vapor Pressure: 0.000006 [mmHg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.