Tempo

CAS: 2564-83-2 · C9H18NO

2D Structure

3D Structure

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Basic Information

CAS Registry Number: 2564-83-2
Molecular Formula: C9H18NO
Molecular Mass: 156.25 g/mol

Identifiers

CAS Registry Number

2564-83-2

SMILES

CC1(C)CCCC(C)(C)N1[O]

InChI Key

QYTDEUPAUMOIOP-UHFFFAOYSA-N

InChI

InChI=1S/C9H18NO/c1-8(2)6-5-7-9(3,4)10(8)11/h5-7H2,1-4H3

Names and Synonyms

Tempo Synonym
1-Piperidinyloxy, 2,2,6,6-tetramethyl- Synonym
Piperidinooxy, 2,2,6,6-tetramethyl- Synonym
2,2,6,6-Tetramethyl-1-piperidinyloxy Synonym
1,1,5,5-Tetramethylpentamethylene nitroxide Synonym
2,2,6,6-Tetramethylpiperidinooxy Synonym
2,2,6,6-Tetramethylpiperidine-1-oxyl Synonym
2,2,6,6-Tetramethylpiperidine N-oxyl Synonym
2,2,6,6-Tetramethylpiperidin-1-oxy Synonym
2,2,6,6-Tetramethylpiperidinooxy radical Synonym
2,2,6,6-Tetramethylpiperidinoxyl radical Synonym
Tanane Synonym
Tanan Synonym
2,2,6,6-Tetramethylpiperidine N-oxide radical Synonym
2,2,6,6-Tetramethylpiperidine N-oxyl radical Synonym
2,2,6,6-Tetramethylpiperidinoxyl Synonym
2,2,6,6-Tetramethyl-1-piperadoxyl Synonym
2,2,6,6-Tetramethylpiperidoxyl Synonym
2,2,6,6-Tetramethylpiperidinyloxy Synonym
2,2,6,6-Tetramethylpiperidinyl-N-oxy Synonym
1-Oxyl-2,2,6,6-tetramethylpiperidine Synonym
2,2,6,6-Tetramethyl-1-piperidinoxyl Synonym
2,2,6,6-Tetramethyl-1-oxylpiperidine Synonym
2,2,6,6-Tetramethylpiperidinooxyl Synonym
2,2,6,6-Tetramethylpiperidinyl-1-oxyl Synonym
2,2,6,6-Tetramethylpiperidine nitroxide Synonym
2,2,6,6-Tetramethyl-1-piperidyloxy Synonym
2,2,6,6-Tetramethylpiperidine nitroxide radical Synonym
Tempo Synonym
2,2,6,6-Tetramethylpiperidinyl 1-oxide Synonym
2,2,6,6-Tetramethylpiperidin-1-oxyl radical Synonym
HO 6 Synonym
2,2,6,6-Tetramethylpiperidino-1-oxy Synonym
2,2,6,6-Tetramethylpiperidin-N-oxyl Synonym
2,2,6,6-Tetramethylpiperidine N-oxy Synonym
2,2,6,6-Tetramethylpiperidine N-oxide Synonym
2,2,6,6-Tetramethylpiperidine oxide Synonym
TMPO Synonym
2,2,6,6-Tetramethyl-1-piperidine-N-oxyl Synonym
2,2,6,6-Tetramethylpiperidinoxy Synonym
T 3751 Synonym

All Properties

Comprehensive physical and chemical properties

Property	Value	Source
Molecular Mass	156.25 g/mol	CAS Common Chemistry
	156.249 g/mol	RDKit
	157.257 g/mol	chempirical lib
Wikipedia Url	https://en.wikipedia.org/wiki/TEMPO	CAS Common Chemistry
Canonical SMILES	[O]N1C(C)(C)CCCC1(C)C	CAS Common Chemistry
InChI	InChI=1S/C9H18NO/c1-8(2)6-5-7-9(3,4)10(8)11/h5-7H2,1-4H3	CAS Common Chemistry
InChI Key	InChIKey=QYTDEUPAUMOIOP-UHFFFAOYSA-N	CAS Common Chemistry
Melting Point	35 °C	CAS Common Chemistry
Name	Tempo	CAS Common Chemistry
	TEMPO	CAS Common Chemistry
Heavy Atom Count	11	RDKit
Hydrogen Bond Acceptors	1	RDKit
Hydrogen Bond Donors	0	RDKit
Rotatable Bonds	0	RDKit
Aromatic Ring Count	0	RDKit
Topological Polar Surface Area	23.14 Å²	RDKit
	23.24 Å²	chempirical lib
LogP	2.375000000000001	RDKit
	2.375	RDKit
Molar Refractivity	44.534500000000016 cm³/mol	RDKit
Ring Count	1	RDKit
Formal Charge	0	RDKit
Fraction Csp3	1.0	RDKit
Exact Mass	156.138839196 g/mol	RDKit

Spectral Data

NMR, IR, and Mass spectral data

Predicting NMR spectra...

10 ppm 9 8 7 6 5 4 3 2 1 0 ppm

Shift (ppm)	Multiplicity	Integration	Assignment

200 ppm 180 160 140 120 100 80 60 40 20 0 ppm

Shift (ppm)	DEPT	Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

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MW = 156.25 g/mol. Edit any field — others recompute live.

Mass (g) Moles (mmol) Moles (mol)