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

2,2,6,6-Tetramethylpiperidinooxy

2,2,6,6-Tetramethylpiperidinooxy Structure
2,2,6,6-Tetramethylpiperidinooxy
  • CAS No.2564-83-2
  • Chemical Name:2,2,6,6-Tetramethylpiperidinooxy
  • CBNumber:CB6309451
  • Molecular Formula:C9H18NO*
  • Formula Weight:156.25
  • MOL File:2564-83-2.mol
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)
  • EWG's Food Scores :1
  • FDA UNII :VQN7359ICQ
  • 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)
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
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordDanger
  • Hazard statements H318-H314
  • Precautionary statements P260h-P301+P330+P331-P303+P361+P353-P405-P501a-P280-P305+P351+P338-P310
2,2,6,6-Tetramethylpiperidinooxy Price More Price(16)
  • Brand: Sigma-Aldrich
  • Product number: 214000
  • Product name : TEMPO
  • Purity: 98%
  • Packaging: 1g
  • Price: $22.5
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 214000
  • Product name : TEMPO
  • Purity: 98%
  • Packaging: 5g
  • Price: $51.3
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: 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
  • Buy: Buy
  • Brand: 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
  • Buy: Buy
  • Brand: 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
  • Buy: Buy

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].
2,2,6,6-Tetramethylpiperidinooxy Preparation Products And Raw materials
Raw materials
Preparation Products
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