4-METHOXY-2,2,6,6-TETRAMETHYLPIPERIDINE 1-OXYL

CAS No.：95407-69-5

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4-METHOXY-2,2,6,6-TETRAMETHYLPIPERIDINE 1-OXYL Basic information

Product Name:	4-METHOXY-2,2,6,6-TETRAMETHYLPIPERIDINE 1-OXYL
Synonyms:	4-Methoxy-2,2,6,6-tetramethylpiperidine 1-Oxyl 4-Methoxy-2,2,6,6-tetramethylpiperidinyloxy,freeradical;4-methoxy-2,2,6,6-tetramethylpiperidinyl-1-oxy;4-METHOXY-2,2,6,6-TETRAMETHYL-1-PIPERIDINYLOXY, FREE RADICAL;4-METHOXY-2,2,6,6-TETRAMETHYLPIPERIDINE 1-OXYL;4-METHOXY-TEMPO;4-METHOXY-TEMPO, FREE RADICAL;(2,2,6,6-Tetramethyl-4-methoxypiperidinooxy)radical
CAS:	95407-69-5
MF:	C10H20NO2*
MW:	186.27
EINECS:	619-125-2
Product Categories:	Analytical Chemistry;ESR Spectrometry;Oxidation;Spin Labels;Synthetic Organic Chemistry
Mol File:	95407-69-5.mol

4-METHOXY-2,2,6,6-TETRAMETHYLPIPERIDINE 1-OXYL Chemical Properties

Melting point	40.5-44 °C (lit.)
storage temp.	2-8°C
form	powder to crystal
color	Orange to Amber to Dark red
BRN	4740399

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	3
HS Code	2933399990

MSDS Information

Provider	Language
SigmaAldrich	English
ALFA	English

4-METHOXY-2,2,6,6-TETRAMETHYLPIPERIDINE 1-OXYL Usage And Synthesis

Uses

4-Methoxy-TEMPO may be employed as catalyst for the synthesis of 2-substituted benzoxazoles, via aerobic oxidation reaction.

General Description

4-Methoxy-TEMPO (4-methoxy-2,2,6,6-tetramethyl-1-piperidinyloxy) is an aminoxyl free radical commonly employed for the oxidation reaction of alcohols (primary/secondary). It has been proposed as hindered amine light stabiliser (HALS) model compound. Its reaction with irradiated dilute aqueous suspensions of photocatalytic nanoparticulate titanium dioxide was investigated by electron spin resonance (ESR) and electrospray ionization mass-spectrometry (ESI-MS).

4-METHOXY-2,2,6,6-TETRAMETHYLPIPERIDINE 1-OXYL Preparation Products And Raw materials

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