BGC » Chemicals A-Z » 4-Hydroxy-2,2,6,6-tetramethylp...

Identify Suppliers 2026 Properties Safty ☰

Identify Suppliers 2026 Properties Safty

4-Hydroxy-2,2,6,6-tetramethylpiperidine-N-oxyl (Hydroxy-TEMPO)

BGC Id:	161202690286
CAS No:	2226-96-2
Synonyms:	hydroxy-tempo ; 4-oh-tempo ; nitroxyl2 ; nr1 ; tempol ; tanol ; nr-i ; 4-oxypiperidol ; tmpn ; zj-701
Molecular Formula:	C9H18NO2 *
Molecular Weight:	172.24
EINECS:	218-760-9

Verified providers in 2026

The following 5 notable providers have been checked and can be recommended.

Senzhuo Industry

Purity : 99% Spec 1 : Orange flake Application : Used to prevent the self-polymerization of olefin monomers during production, separation, refining, storage or transportation, and to control and regulate the degree of polymerization of olefins and their derivatives

Shandong SanYoung Industry

Molekula

Molecular Weight : 172.24 Formula : C9H18NO2 HS Code : 2933919000 Categories : Analytical Reagents,Biochemicals,Building Blocks

BIOZOL Diagnostica Vertrieb

BuGuCh & Partners

What other providers are available for CAS 2226-96-2?

The last intensive check and update was carried out on 2026/04/12.

Identify

Synonyms:

hydroxy-tempo ; 4-oh-tempo ; nitroxyl2 ; nr1 ; tempol ; tanol ; nr-i ; 4-oxypiperidol ; tmpn ; zj-701

CAS:

2226-96-2

EINECS:

218-760-9

Molecular Formula:

C9H18NO2 *

MDL:

MFCD00006478

Properties

Molecular Weight:

172.24 g·mol−1

Density:

1.19 g/cm³

Melting point:

69-71 °C(lit.)

Boiling point:

269° C

Suppliers

Senzhuo Industry Co.,Ltd

Senzhuo Industry Co., Ltd. (“Senzhuo”) established in 2009, is a key chemical manufacturer and supplier in China. We are engaged in supply high quality pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. We also customize high value-added chemicals and intermediates for the customer. Senzhuo industy Co.,Ltd factory located in both Zhangqiu industrial zone and Jiangshu industrial zone. Sales office in Jinan city ...

Country: P.R.China Phone: +86-15165036020 Telefax: +86-88902568

INQUIRY | ORDER

Shandong SanYoung Industry Co., Ltd

Country: P.R.China
Phone: +86 155-64526813
Telefax: +86 531-56897532

Shandong SanYoung Industry Co., Ltd is a scientific and technological company specializing in research and development, cooperative production and sales of chemical products. The company's main products include: photoinitiator; light stabilizer; polymer retardant; ultraviolet absorbent; fine chemical products and pharmaceutical intermediates, we can also customize chemicals for our customers. We sell 5-Chloro-2-methoxypyridine as well. Our company has a large number of customers with good reputation at home and abroad, ...

INQUIRY | ORDER

Molekula GmbH

Molekula supplies speciality chemicals and biochemicals to the fine chemical, research and diagnostic community. Our core competence is in the area of heterocycles for combinatorial chemistry, small building blocks for discovery and large scale synthesis for pilot teams and production. In the field of biochemicals, Molekula is a major supplier of key reabents used in the area of diagnostics, microbiology and biotechnology.

Company type: Trading company

Country: Germany
Phone: +49 (0) 89 360 900 900
Telefax: +49 (0) 89 360 900 901

INQUIRY | ORDER

BIOZOL Diagnostica Vertrieb GmbH

Company type: Supplier of chemical products

Chemos®, a subsidiary of BIOZOL Diagnostica Vertrieb GmbH, is a leading supplier of ready to use solutions for the lab and chemical industry. We are producing reagents and standards for the analytical lab and supplying raw materials for the chemical and pharmaceutical industry. The base of our solutions are a portfolio of ~ 200.000 raw materials where ~ 50.000 are already available for R+D ready to order in our shop. We are seller of (S)-cis-Verbenol. We are supplying and producing lab quantities from tiny qua ...

Country: Germany Phone: +49-871-966346-0 Telefax: +49-871-966346-13

INQUIRY | ORDER

BuGuCh & Partners

Company type: Producer

Country: Germany

We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...

INQUIRY | ORDER

Safety Information

Hazard Symbols: Xn, Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

22-36/37/38-36/38 (R)

Safety Codes:

26-36-37/39-36/37/39-27 (S)

WGK Germany:

RTECS:

TN8991000

Storage temperature:

2-8°C

What other providers are available for CAS 2226-96-2?

In addition to the providers presented here for 4-Hydroxy-2,2,6,6-tetramethylpiperidine-N-oxyl (Hydroxy-TEMPO) with the CAS number 2226-96-2, there are other 115 providers with slightly different product names available for this CAS number.

TEMPOL

+2 additional providers that we know from the past

4-Hydroxy-TEMPO

4-Hydroxy-TEMPO Free Radical

AK Scientific, Inc. +1 additional providers that we know from the past

Polymerization inhibitor 701

Junwee Chemical Co., Ltd. +1 additional providers that we know from the past

2,2,6,6-Tetramethyl-4-oxypiperidine-1-oxyl

Beijing Century Richap Chemistry Co., Ltd. | Tianjin Zhongxin Chemtech Co., Ltd. | Hangzhou Lingrui Chemical Co., Ltd. +4 additional providers that we know from the past

2,2,6,6-Tetramethyl-4-hydroxy-1-piperidinyloxy radical

BLD Pharmatech Ltd +1 additional providers that we know from the past

4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl (free radical)

Tempol;4-hydroxy-tempo;1-piperidinyloxy, 4-hydroxy-2,2,6,6-tetramethyl-

+1 additional providers that we know from the past