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CAS No 2564-83-2 , 1-λ Search by region : Germany

  • Name: 1-λ
  • Synonyms: 1-oxidanyl-2,2,6,6-tetramethylpiperidine; 2,2,6,6-Tetramethylpiperidine 1-oxyl;Tanane;1-λ 2,2,6,6-Tetramethylpiperidinooxy; 2,2,6,6-Tetramethyl-1-piperidinyloxy; Tanan; 2564-83-2;
  • CAS Registry Number:
  • Transport: UN 3263
  • Melting Point: 36-40 ºC
  • Flash Point: 67 ºC
  • Density: 1 g/cm3
  • Safety Statements: R34;R36/37/38
  • Hazard Symbols: C: Corrosive;Xi: Irritant;
  • HS Code: 29333999
  • Flash Point: 67 ºC
  • EINECS: 219-888-8
  • Molecular Weight: 156.24532
  • InchiKey: QYTDEUPAUMOIOP-UHFFFAOYSA-N
  • InChI: InChI=1S/C9H18NO/c1-8(2)6-5-7-9(3,4)10(8)11/h5-7H2,1-4H3
  • Risk Statements: S24/25;S26;S36/37/39;S45
  • Molecular Formula: C9H18NO
  • Molecular Structure:CAS No:2564-83-2 1-λ

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2564-83-2 2,2,6,6-TETRAMETHYLPIPERIDIN-1-OXYL

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2564-83-2 2,2,6,6-TETRAMETHYL-1-PIPERIDINYLOXY; 98%

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2564-83-2 2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL 2,2,6,6-TETRAMETHYL-1-PIPERIDINYLOXYL; 2,2,6,6-TETRAMETYLPIPERIDIN-N-OXYL; 2,2,6,6-TETRAMETYLPIPERIDINE-N-OXYL, FREE RADICAL; TEMPO; TEMPO, FREE RADICAL; 2,2,6,6-TETRAMETHYLPIPERIDINE-1-OXYL (FREE RADICAL); 2,2,6,6-TETRAMETHYLPIPERIDINEOXIDE; 2,2,6,6-TETRAMETYLPIPERIDINE-N-OXYL, FREE RADICAL 2,

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References of 1-λ
Title: TEMPO
CAS Registry Number: 2564-83-2
CAS Name: 2,2,6,6-Tetramethyl-1-piperidinyloxy
Synonyms: 2,2,6,6-tetramethylpentamethylene nitroxide
Molecular Formula: C9H18NO
Molecular Weight: 156.25
Percent Composition: C 69.18%, H 11.61%, N 8.96%, O 10.24%
Literature References: Stable nitroxide free radical used as reversible capping agent in "living" free radical polymerizations and as catalyst for selective oxidation of alcohols. Prepn: E. G. Ruzantsev et al., Bull. Acad. Sci. USSR Div. Chem. Sci. 1962, 2152. Crystal structure: Z. Ciunik, J. Mol. Struct. 412, 27 (1997). Thermal stability: M. V. Ciriano et al., J. Am. Chem. Soc. 121, 6375 (1999). Effect of acids on reaction rates: M. V. Baldovi et al., Macromolecules 29, 5497 (1996). Use in oxidation of alcohols: M. Zhao et al., J. Org. Chem. 64, 2564 (1999); in production of aminyl radicals: W. Huang et al., J. Am. Chem. Soc. 121, 3939 (1999); in polymerization: L. I. Gabaston et al., Polymer 40, 4505 (1999).
Properties: Monoclinic dark red crystals, mp 36-40°. Flash pt: 67°C (Acros Organics Data Sheet).
Melting point: mp 36-40°
Flash point: Flash pt: 67°C (Acros Organics Data Sheet)
Use: In organic chemistry as a radical trap, a catalyst and in polymerization mediation.