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| CAS No.: | 2564-83-2 |
|---|---|
| Name: | 2,2,6,6-Tetramethylpiperidinooxy |
| Molecular Structure: | |
|
|
|
| Formula: | C9H18NO |
| Molecular Weight: | 158.264 |
| Synonyms: | Piperidinooxy,2,2,6,6-tetramethyl- (7CI,8CI);2,2,6,6-Tetramethyl-1-piperidinyloxy;2,2,6,6-Tetramethylpiperidin-1-oxylradical;2,2,6,6-TetramethylpiperidineN-oxide;2,2,6,6-Tetramethylpiperidine N-oxy;2,2,6,6-Tetramethylpiperidine N-oxyl radical;2,2,6,6-Tetramethylpiperidinenitroxide;2,2,6,6-Tetramethylpiperidine oxide;2,2,6,6-Tetramethylpiperidinyl-1-oxyl;2,2,6,6-Tetramethylpiperidinyloxy;HO 6;Tanan;Tanane;Tempo; |
| EINECS: | 219-888-8 |
| Density: | 1 g/cm3 |
| Melting Point: | 36-38 °C(lit.) |
| Boiling Point: | 193 °C |
| Flash Point: | 154 °F |
| Solubility: | Soluble in all organic solvents. Insoluble in water. |
| Appearance: | orange crystals or powder |
| Hazard Symbols: |
 C, Xi
|
| Risk Codes: | 34-36/37/38 |
| Safety: | 26-36/37/39-45-24/25 |
| Transport Information: | UN 3263 8/PG 2 |
| PSA: | 3.24000 |
| LogP: | 2.31290 |
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| Conditions | Yield |
|---|---|
| In 2-methyltetrahydrofuran at -135℃; Kinetics; | A n/a B 94% |
- 32579-76-3
1-chloro-2,2,6,6-tetramethylpiperidine
- 2564-83-2
2,2,6,6-tetramethyl-piperidine-N-oxyl
| Conditions | Yield |
|---|---|
| With sodium sulfate In dichloromethane Electrolysis; aq. phosphate buffer; | 82% |
A
- 2564-83-2
2,2,6,6-tetramethyl-piperidine-N-oxyl
| Conditions | Yield |
|---|---|
| With 2,2,6,6-tetramethyl-1-oxo-piperidinium; sodium acetate; acetic acid In water at 20℃; pH=4.5; UF membrane; |
| Conditions | Yield |
|---|---|
| With dihydrogen peroxide In acetonitrile | |
| With dihydrogen peroxide In acetonitrile | |
| With dihydrogen peroxide In methanol; acetonitrile |
- 45842-10-2
2,2,6,6-tetramethyl-1-oxo-piperidinium
- 2564-83-2
2,2,6,6-tetramethyl-piperidine-N-oxyl
| Conditions | Yield |
|---|---|
| Alkaline conditions; |
| Conditions | Yield |
|---|---|
| In acetonitrile at 25℃; Mechanism; Activation energy; Inert atmosphere; |
- 109-99-9
tetrahydrofuran
- 7031-93-8
2,2,6,6-tetramethylpiperidin-1-ol
- 7732-18-5
water
A
- 2564-83-2
2,2,6,6-tetramethyl-piperidine-N-oxyl
| Conditions | Yield |
|---|---|
| at -90℃; for 1h; Inert atmosphere; Schlenk technique; |
- 7031-93-8
2,2,6,6-tetramethylpiperidin-1-ol
- 5259-72-3, 10060-40-9, 111-78-4
1,5-dicyclooctadiene
A
- 2564-83-2
2,2,6,6-tetramethyl-piperidine-N-oxyl
B
- 162476-91-7
[(1,1′-bis(diphenylphosphino)ferrocene)Ni(0)(1,5-cyclooctadiene)]
C
- 717-74-8
1,3,5-triisopropyl benzene
| Conditions | Yield |
|---|---|
| In benzene-d6 at 20℃; for 24h; |
- 2564-83-2
2,2,6,6-tetramethyl-piperidine-N-oxyl
- 7787-70-4
copper(I) bromide
- 309752-65-6
6-(hydroxymethyl)-2-naphthol
- 78119-82-1
6-hydroxynaphthalene-2-carbaldehyde
| Conditions | Yield |
|---|---|
| In N,N-dimethyl-formamide | 99.8% |
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Chemistry
Molecular structure of 2,2,6,6-Tetramethylpiperidinooxy (CAS NO.2564-83-2) is:
Product Name: 2,2,6,6-Tetramethylpiperidinooxy
CAS Registry Number: 2564-83-2
IUPAC Name: 1-λ1-oxidanyl-2,2,6,6-tetramethylpiperidine
Molecular Weight: 156.24532 [g/mol]
Molecular Formula: C9H18NO
XLogP3: 1.4
H-Bond Donor: 0
H-Bond Acceptor: 1
EINECS: 219-888-8
Melting Point: 36-38 °C(lit.)
Density: 1 g/cm3
Flash Point: 154 °F
Boiling Point: 193 °C
Storage temp.: 2-8°C
Other Registry Number: 125012-91-1 ;126517-51-9 ;25657-03-8 ;26933-82-4 ;54637-06-8 ;64104-42-3
Stability: Stable. Incompatible with strong acids, strong oxidizing agents. Refrigerate.
Product Categories: Analytical Chemistry;Environmentally-friendly Oxidation;ESR Spectrometry;Oxidation;Redox Catalysts (Environmentally-friendly Oxidation);Spin Labels;Synthetic Organic Chemistry
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rabbit | LDLo | skin | 2gm/kg (2000mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) | United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. Vol. 8EHQ-0786-0607S, |
| rat | LCLo | inhalation | 4500mg/m3/2H (4500mg/m3) | United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. Vol. 8EHQ-0786-0607S, |
Safety Profile
Hazard Codes: 
C;
Xi
Risk Statements: 34-36/37/38
R34:Causes burns.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39-45-24/25
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S24/25:Avoid contact with skin and eyes.
RIDADR: UN 3263 8/PG 2
WGK Germany: 3
RTECS: TN8991900
HazardClass: 8
PackingGroup: III
HS Code: 29333999
Specification
2,2,6,6-Tetramethylpiperidinooxy , its cas register number is 2564-83-2. It also can be called 2,2,6,6-Tetramethyl-1-piperidinyloxy ; 2,2,6,6-Tetramethylpiperidine-1-oxyl ; 2,2,6,6-Tetramethylpiperidinooxyl ; Tanan ; Tetramethylpiperidine nitroxide ; Tetramethylpiperidinooxy .It is a orange crystals or powder.
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