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2,2,6,6-Tetramethylpiperidine 1-oxyl_Molecular_structure_CAS_2564-83-2)
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2,2,6,6-Tetramethylpiperidine 1-oxyl

Catalog No. 87903 Name Sigma Aldrich
CAS Number 2564-83-2 Website http://www.sigmaaldrich.com
M. F. C9H18NO Telephone 1-800-521-8956
M. W. 156.24532 Fax
Purity ≥96.0% (GC) Email
Storage Chembase ID: 90333

SYNONYMS

Title
2,2,6,6-四甲基哌啶氧化物
IUPAC name
ol
IUPAC Traditional name
tyrosine(.)
Synonyms
TEMPO
2,2,6,6-Tetramethyl-1-piperidinyloxy, free radical
2,2,6,6-四甲基哌啶-1-氧自由基

DATABASE IDS

EC Number 219-888-8
MDL Number MFCD00009599
PubChem SID 24888968
CAS Number 2564-83-2
Beilstein Number 1422418

PROPERTIES

Empirical Formula (Hill Notation) C9H18NO
Grade purum
Purity ≥96.0% (GC)
Flash Point 67 °C
Flash Point 152.6 °F
Melting Point 36-38 °C(lit.)
Melting Point 36-39 °C
GHS Pictograms GHS05
GHS Signal Word Danger
GHS Hazard statements H314
European Hazard Symbols Corrosive Corrosive (C)
MSDS Link Download
Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
GHS Precautionary statements P280-P305 + P351 + P338-P310
RID/ADR UN 3263 8/PG 2
Risk Statements 34
RTECS TN8991900
Safety Statements 26-36/37/39-45
Storage Temperature 2-8°C
Hazard Class 8
UN Number 3263
Packing Group 2
German water hazard class 3

DETAILS

Description (English)
Other Notes
Stable free radical used for radical trapping in mechanistic studies; TEMPO reacts preferentially with carbon-centered radicals1,2,3; Calalyst used in the oxidation of prim. alcohols to aldehydes with NaOCl4
Description (简体中文)
Other Notes
稳定的自由基,用于自由基捕捉机理研究;TEMPO 优先与以碳为中心的自由基反应1,2,3;催化剂,用于通过 NaOCl 将伯醇氧化为醛4

REFERENCES