ChemicalBook > CAS DataBase List > 2,2,6,6-Tetramethylpiperidinooxy

2,2,6,6-Tetramethylpiperidinooxy

Product Name
2,2,6,6-Tetramethylpiperidinooxy
CAS No.
2564-83-2
Chemical Name
2,2,6,6-Tetramethylpiperidinooxy
Synonyms
TEPO;TEMPO;Tanan;Tanane;TEMPO,98%;TEMPO, free radica;TEMPO, FREE RADICAL;TEMPO Oxidation Agent;Tetramethylpiperidinooxy;TEMPO, free radical, 98+%
CBNumber
CB6309451
Molecular Formula
C9H18NO*
Formula Weight
156.25
MOL File
2564-83-2.mol
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2,2,6,6-Tetramethylpiperidinooxy Property

Melting point:
36-38 °C(lit.)
Boiling point:
193°C
Density 
1 g/cm3
vapor pressure 
0.4 hPa (20 °C)
refractive index 
1.4350 (estimate)
Flash point:
154 °F
storage temp. 
Store below +30°C.
solubility 
9.7g/l
form 
Powder
color 
Yellow to green
PH
8.3 (9g/l, H2O, 20℃)
Water Solubility 
Soluble in all organic solvents. Insoluble in water.
Merck 
14,9140
BRN 
1422418
Stability:
Stable. Incompatible with strong acids, strong oxidizing agents. Refrigerate.
InChIKey
RVWUHFFPEOKYLB-UHFFFAOYSA-N
CAS DataBase Reference
2564-83-2(CAS DataBase Reference)
NIST Chemistry Reference
1-Piperidinyloxy, 2,2,6,6-tetramethyl-(2564-83-2)
EPA Substance Registry System
1-Piperidinyloxy, 2,2,6,6-tetramethyl- (2564-83-2)
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Safety

Hazard Codes 
C,Xi
Risk Statements 
34-36/37/38
Safety Statements 
26-36/37/39-45-24/25
RIDADR 
UN 3263 8/PG 2
WGK Germany 
3
RTECS 
TN8991900
Autoignition Temperature
275 °C
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
29333999
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H314Causes severe skin burns and eye damage

H318Causes serious eye damage

Precautionary statements

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

P310Immediately call a POISON CENTER or doctor/physician.

P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
214000
Product name
TEMPO
Purity
98%
Packaging
1g
Price
$22.5
Updated
2021/03/22
Sigma-Aldrich
Product number
214000
Product name
TEMPO
Purity
98%
Packaging
5g
Price
$51.3
Updated
2021/03/22
Sigma-Aldrich
Product number
8.14681
Product name
2,2,6,6-Tetramethylpiperidine-1-oxyl (free radical)
Purity
for synthesis
Packaging
5 g
Price
$94.35
Updated
2021/03/22
Sigma-Aldrich
Product number
8.14681
Product name
2,2,6,6-Tetramethylpiperidine-1-oxyl (free radical)
Purity
for synthesis
Packaging
25 g
Price
$176.67
Updated
2021/03/22
TCI Chemical
Product number
T1560
Product name
2,2,6,6-Tetramethylpiperidine 1-Oxyl Free Radical
Purity
>98.0%(GC)(T)
Packaging
5g
Price
$42
Updated
2021/03/22
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2,2,6,6-Tetramethylpiperidinooxy Chemical Properties,Usage,Production

Chemical Properties

orange crystals or powder

Uses

TEMPO(2,2,6,6-Tetramethylpiperidinooxy) is a stable radical prepared through the oxidation of 2,2,6,6-tetramethylpiperidine. TEMPO has a wide range of applications including use as a free radical scavenger, a reagent in organic synthe sis and as a structural probe in electron spin resonance spectroscopy. TEMPO can also be used as a mediator in free radical polymerization.

Uses

In organic chemistry as a radical trap, 2,2,6,6-Tetramethylpiperidinooxy can be used as a catalyst and in polymerization mediation.

Purification Methods

Purify TEMPO by sublimation (33o, water aspirator) [Hay & Fincke J Am Chem Soc 109 8012 1987, Keana Chem Rev 78 37 1978].

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2,2,6,6-Tetramethylpiperidinooxy Suppliers

Nanjing Lisheng Kanghe Biotechnology Co., Ltd.
Tel
025-52110956-
Email
lvmu@lskhsw.com
Country
China
ProdList
7
Advantage
58
Alfa Aesar
Tel
400-610-6006; 021-67582000
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30159
Advantage
84
Creasyn Finechem(Tianjin) Co., Ltd.
Tel
022-83945878-
Fax
022-83945176
Email
export@creasyn.com
Country
China
ProdList
771
Advantage
68
J & K SCIENTIFIC LTD.
Tel
010-82848833- ;010-82848833-
Fax
86-10-82849933
Email
jkinfo@jkchemical.com;market6@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
21-61259100-
Fax
86-21-61259102
Email
sh@meryer.com
Country
China
ProdList
40264
Advantage
62
INTATRADE GmbH
Tel
+49 3493/605464
Fax
+49 3493/605470
Email
sales@intatrade.de
Country
Germany
ProdList
3579
Advantage
66
future industrial shanghai co., ltd
Tel
400-0066-400;021-60496031
Fax
021-55660885
Email
sales@jonln.com;sales@jonln.com
Country
China
ProdList
1999
Advantage
65
TAIYUAN RHF CO.,LTD.
Tel
+86 351 7031519
Fax
+86 351 7031519
Email
sales@RHFChem.com
Country
China
ProdList
2346
Advantage
56
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386 / 800-988-0390
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24555
Advantage
81
ShangHai DEMO Chemical Co.,Ltd
Tel
400-021-7337 qq:2355568890
Fax
0086-21-50182339
Email
sales@demochem.com; export1@demochem.com
Country
China
ProdList
2582
Advantage
57
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View Lastest Price from 2,2,6,6-Tetramethylpiperidinooxy manufacturers

Hebei Crovell Biotech Co Ltd
Product
2, 2, 6, 6-Tetramethylpiperidinooxy 2564-83-2
Price
US $1.90/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 ton
Release date
2021-07-22
Shaanxi Dideu Medichem Co. Ltd
Product
2,2,6,6-Tetramethylpiperidinooxy 2564-83-2
Price
US $0.00-0.00/KG
Min. Order
1g
Purity
99%
Supply Ability
2000tons
Release date
2019-12-31
Zhuozhou Wenxi import and Export Co., Ltd
Product
2,2,6,6-Tetramethylpiperidinooxy 2564-83-2
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-11

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