ChemicalBook > CAS DataBase List > 4-Amino-TEMPO, free radical

4-Amino-TEMPO, free radical

Product Name
4-Amino-TEMPO, free radical
CAS No.
14691-88-4
Chemical Name
4-Amino-TEMPO, free radical
Synonyms
4-AMINO-TEMPO;tempamine;4-Amino-2,2,6,6-tetramethyl-1-piperidinyloxyl;Aminotempo;Tempo-amine;6-TeMpaMine;piperidino-1-oxyL;4-AMino-TEMPO, free radical 97%;4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINOXY;4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINOOXY
CBNumber
CB9778366
Molecular Formula
C9H19N2O*
Formula Weight
171.26
MOL File
14691-88-4.mol
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4-Amino-TEMPO, free radical Property

Melting point:
37-39°C
Boiling point:
98 °C / 4mmHg
Density 
0.9977 (rough estimate)
refractive index 
1.4480 (estimate)
Flash point:
39 °C
storage temp. 
2-8°C
solubility 
Dichloromethane (Slightly), Methanol (Slightly)
form 
Adhering Crystals, Needles or Moist Mass
color 
Red to red-brown
FreezingPoint 
36.0 to 42.0 ℃
BRN 
3933966
CAS DataBase Reference
14691-88-4(CAS DataBase Reference)
EPA Substance Registry System
1-Piperidinyloxy, 4-amino-2,2,6,6-tetramethyl- (14691-88-4)
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Safety

Hazard Codes 
Xi,Xn
Risk Statements 
36/37/38-20/21/22-34
Safety Statements 
26-36-45-36/37/39
WGK Germany 
3
Hazard Note 
Irritant
HS Code 
29333990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
163945
Product name
4-Amino-TEMPO, free radical
Purity
97%
Packaging
1g
Price
$161
Updated
2025/07/31
Sigma-Aldrich
Product number
163945
Product name
4-Amino-TEMPO, free radical
Purity
97%
Packaging
5g
Price
$519
Updated
2025/07/31
TCI Chemical
Product number
A1343
Product name
4-Amino-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
Purity
>97.0%(GC)
Packaging
1g
Price
$92
Updated
2025/07/31
TCI Chemical
Product number
A3235
Product name
4-Amino-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical (purified by sublimation)
Purity
min. 98.0 %
Packaging
1G
Price
$183
Updated
2024/03/01
TCI Chemical
Product number
A1343
Product name
4-Amino-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
Purity
>97.0%(GC)
Packaging
5g
Price
$277
Updated
2025/07/31
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4-Amino-TEMPO, free radical Chemical Properties,Usage,Production

Chemical Properties

Red-Brown Oil

Uses

Useful spin label for studying biological systems, polymers, and as a building block for more elaborate spin labels.

Uses

4-Amino-TEMPO is useful spin label for studying biological systems and polymers.

4-Amino-TEMPO, free radical Preparation Products And Raw materials

Raw materials

Preparation Products

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4-Amino-TEMPO, free radical Suppliers

Americas 1 Belgium 1 Canada 1 China 133 Europe 1 Germany 3 India 2 Japan 3 Poland 1 South Korea 1 Switzerland 2 United Kingdom 10 United States 17 Global 176
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View Lastest Price from 4-Amino-TEMPO, free radical manufacturers

Hefei Lbao Physical & Chemical Science Co.,Ltd
Product
4-Amino-TEMPO, free radical 14691-88-4
Price
US $0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
Customise
Release date
2025-09-20
Career Henan Chemical Co
Product
4-Amino-TEMPO, free radical 14691-88-4
Price
US $1.00/g
Min. Order
1g
Purity
99%
Supply Ability
KG/T
Release date
2019-12-18

14691-88-4, 4-Amino-TEMPO, free radicalRelated Search:

4-ACETAMIDO-TEMPO 4-Amino-TEMPO, free radical 2,2,6,6-Tetramethylpiperidinooxy 2,2,6,6-Tetramethylpiperidine 4-TRIMETHYLAMMONIUM-2,2,6,6-TETRAMETHYLPIPERIDINE-1-OXYL IODIDE 4-(N,N-DIMETHYL-N-(2-HYDROXYETHYL))AMMONIUM-2,2,6,6-TETRAMETHYLPIPERIDINE-1-OXYL CHLORIDE 4-AMINO-TEMPO-PIPERIDINYL-D17 4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINE-D17, 1-15N-1-OXYL 4-(2-BROMOACETAMIDO)-2,2,6,6-TETRAMETHYL-1-PIPERIDINYLOXY 4-(TRIMETHYLAMMONIUM)-2,2,6,6-TETRAMETHYLPIPERIDINE-D17-1-OXYL IODIDE 4-ISOTHIOCYANATO-2,2,6,6-TETRAMETHYLPIPERIDINE 1-OXYL 4-MALEIMIDO-TEMPO 4-(2-CHLOROACETAMIDO)-2,2,6,6-TETRAMETHYLPIPERIDINE 1-OXYL 2,2,6,6-TETRAMETHYLPIPERIDINE-1-OXYL-4-AMINO-4-CARBOXYLIC ACID 4-(2-IODOACETAMIDO)-TEMPO TEMPO-9-AC FMOC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4-AMINO-4-CARBOXYLIC ACID 1-(2-chloroethyl)-3-(1-oxyl-2,2,6,6-tetramethylpiperidinyl)-1-nitrosourea

  • 4-amino-2,2,6,6-tetramethyl-1-piperidinylox
  • tempamine
  • 2,2,6,6-TETRAMETHYL-4-AMINO-1-PIPERIDINYLOXY
  • 4-AMINO-1-OXY-2,2,6,6-TETRAMETHYLPIPERIDINE
  • 4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINO-1-OXYL
  • 4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINOOXY
  • 4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINOXY FREE RADICAL
  • 4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINYLOXY
  • 4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINE 1-OXYL
  • 4-AMINO-TEMPO
  • 4-Amino-2,2,6,6-tetramethylpiperidinooxy,free radical
  • 4-amino-2,2,6,6-tetramethylpiperidine 1-oxide
  • 4-Amino-1-oxy-2,2,6,6-tetramethylpiperidine, free radical
  • 4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDIN-1-OXYL
  • 4-Amino-2,2,6,6-tetramethylpiperidine-1-oxyl(4-Amino-TEMPO,freeradical)
  • 4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINE 1-OXYL FREE RADICAL [SPIN LABEL]
  • 4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINE 1-OXYL FREE RADICAL 97+%
  • 4-AMINO-TEMPO (4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINYLOXY)
  • 4-amino-2,2,6,6-tetramethylpiperidinyloxy, free radical
  • 4-Amino-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
  • 4-Amino-2,2,6,6-tetramethylpiperidinyloxy, free radical, 4-Amino-TEMPO
  • 4-Amino-2,2,6,6-tetramethylpiperidine-1-oxyl, 4-Amino-2,2,6,6-tetramethylpiperidinyloxy, free radical, 4-Amino-TEMPO
  • 4-Amino-2,2,6,6-tetramethylpiperidinooxy, 97%, free radical
  • (4-Amino-2,2,6,6-tetramethyl-1-piperidinyloxy)radical
  • 4-Amino-2,2,6,6-tetramethyl-1-piperidinyloxyl
  • 4-Amino-2,2,6,6-tetramethylpiperidino-1-oxy
  • Aminotempo
  • Tempo-amine
  • 4-AMino-2,2,6,6-tetraMethylpiperidinooxy, free radical, 97% 1GR
  • 6-TeMpaMine
  • 4-AMino-2,2,6,6-tetraMethylpiperidino-1-oxyl, 95+%
  • 4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINOXY
  • 1-Piperidinyloxy, 4-aMino-2,2,6,6-tetraMethyl-
  • 4-AMino-TEMPO, free radical 97%
  • 1-lambda1-oxidanyl-2,2,6,6-tetramethyl-piperidin-4-amine
  • piperidino-1-oxyL
  • 4-Amino-2,2,6,6-tetramethylpiperidin-1-oxid
  • 4-Amino-1-oxy-2,2,6,6-tetramethylpiperidine, free radical 98%
  • 4-Amino-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical&gt
  • 4-Amino-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical (purified by sublimation)
  • 4-amino-2,2,6,6-tetramethyl-1-piperidine-1-oxyl
  • 4-Amino-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radica
  • 14691-88-4
  • C9H19N2O
  • ESR Spectrometry
  • Spin Labels
  • Radical Chemistry
  • TEMPO Derivatives
  • Synthetic Reagents
  • Stable Radicals
  • Industrial/Fine Chemicals
  • ESR Spectrometry
  • Spin Labels
  • Analytical Chemistry
  • Heterocycles
  • Spin Labeling Compounds