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
InChI: 1S/C9H19N2O/c1-8(2)5-7(10)6-9(3,4)11(8)12/h7H,5-6,10H2,1-4H3
InChIKey: XUXUHDYTLNCYQQ-UHFFFAOYSA-N
SMILES: CC1(C)CC(N)CC(C)(C)N1[O]
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
TSCA: TSCA listed
HS Code: 29333990
Storage Class: 11 - Combustible Solids
Hazard Classifications: Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

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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 134 Europe 1 Germany 3 India 2 Japan 3 Poland 1 South Korea 1 Switzerland 2 United Kingdom 10 United States 17 Global 177

Wuhan yuqing jiaheng pharmaceutical co. LTD

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Advantage: 58

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Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
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Advantage: 76

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3B Pharmachem (Wuhan) International Co.,Ltd.

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TCI (Shanghai) Development Co., Ltd.

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Beijing HwrkChemical Technology Co., Ltd

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Energy Chemical

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Beijing Ouhe Technology Co., Ltd

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Fax: +86-10-82967029
Email: 2355560935@qq.com
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Accela ChemBio Co.,Ltd.

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Fax: 021-50795055
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Shanghai Hanhong Scientific Co.,Ltd.

Tel: 021-54306202 13764082696
Email: info@hanhongsci.com
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ProdList: 42934
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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-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

4-Amino-2,2,6,6-tetramethylpiperidinooxy,freeradical,98%

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