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4-Amino-TEMPO, free radical

4-Amino-TEMPO, free radical structure

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*

Molecular Weight:: 171.26

MDL Number:: MFCD00006479

MOL File:: 14691-88-4.mol

MSDS File:: SDS

Last updated:2026-01-13 11:27:13

Product description	Number	Pack Size	Price
4-Amino-TEMPO, free radical 97%	163945	1g	$171
4-Amino-TEMPO, free radical 97%	163945	5g	$553
4-Amino-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical >97.0%(GC)	A1343	1g	$92
4-Amino-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical (purified by sublimation) min. 98.0 %	A3235	1G	$183
4-Amino-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical >97.0%(GC)	A1343	5g	$277
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4-Amino-TEMPO, free radical Properties

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)
UNSPSC Code	12352000
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P264-P271-P280-P302+P352-P305+P351+P338

target organs

Respiratory system

PPE

dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes

Xi,Xn

Risk Statements

36/37/38-20/21/22-34

Safety Statements

26-36-45-36/37/39

WGK Germany

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

NFPA 704

	1
3		0

4-Amino-TEMPO, free radical price More Price(50)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	163945	4-Amino-TEMPO, free radical 97%	14691-88-4	1g	$171	2026-03-19	Buy
Sigma-Aldrich	163945	4-Amino-TEMPO, free radical 97%	14691-88-4	5g	$553	2026-03-19	Buy
TCI Chemical	A1343	4-Amino-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical >97.0%(GC)	14691-88-4	1g	$92	2026-03-19	Buy
TCI Chemical	A3235	4-Amino-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical (purified by sublimation) min. 98.0 %	14691-88-4	1G	$183	2024-03-01	Buy
TCI Chemical	A1343	4-Amino-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical >97.0%(GC)	14691-88-4	5g	$277	2026-03-19	Buy

Product number	Packaging	Price	Buy
163945	1g	$171	Buy
163945	5g	$553	Buy
A1343	1g	$92	Buy
A3235	1G	$183	Buy
A1343	5g	$277	Buy

4-Amino-TEMPO, free radical Chemical Properties,Uses,Production

Chemical Properties

Red-Brown Oil

Uses

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

Uses

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

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

Raw materials

Preparation Products

4-Amino-TEMPO, free radical Suppliers

Global( 180)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hefei Lbao Physical & Chemical Science Co.,Ltd	+15184799099	lbaochemicals@gmail.com	China	671	58
Shanghai Daken Advanced Materials Co.,Ltd	+86-2158073036	info@dakenam.com	China	13815	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21592	55
Hangzhou FandaChem Co.,Ltd.	008657128800458; +8615858145714	FandaChem@Gmail.com	China	1399	55
Jinan Carbotang Biotech Co.,Ltd.	+8615866703830	figo.gao@foxmail.com	China	8497	58
Shandong chuangyingchemical Co., Ltd.	18853181302	sale@chuangyingchem.com	CHINA	5906	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49977	58
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29794	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58

Supplier	Advantage
Hefei Lbao Physical & Chemical Science Co.,Ltd	58
Shanghai Daken Advanced Materials Co.,Ltd	58
Henan Tianfu Chemical Co.,Ltd.	55
Hangzhou FandaChem Co.,Ltd.	55
Jinan Carbotang Biotech Co.,Ltd.	58
Shandong chuangyingchemical Co., Ltd.	58
Alchem Pharmtech,Inc.	58
CONIER CHEM AND PHARMA LIMITED	58
career henan chemical co	58
Hefei TNJ Chemical Industry Co.,Ltd.	58

View Lastest Price from 4-Amino-TEMPO, free radical manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-04-16	4-Amino-TEMPO, free radical 14691-88-4	US $0.00 / kg	1kg	98%	Customise	Hefei Lbao Physical & Chemical Science Co.,Ltd
	2019-12-20	4-Amino-TEMPO, free radical 14691-88-4	US $1.00 / g	1g	99%	KG/T	Career Henan Chemical Co

4-Amino-TEMPO, free radical
14691-88-4
US $0.00 / kg
98%
Hefei Lbao Physical & Chemical Science Co.,Ltd

4-Amino-TEMPO, free radical
14691-88-4
US $1.00 / g
99%
Career Henan Chemical Co

4-Amino-TEMPO, free radical Spectrum

4-Amino-TEMPO, free radical(14691-88-4)Raman 4-Amino-TEMPO, free radical(14691-88-4)FT-IR 4-Amino-TEMPO, free radical(14691-88-4)IR 4-Amino-TEMPO, free radical(14691-88-4)ESR

14691-88-4(4-Amino-TEMPO, free radical)Related Search:

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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

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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

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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> 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