2,2,6,6-Tetramethylpiperidinooxy CAS#2564-83-2

2,2,6,6-Tetramethylpiperidinooxy CAS#2564-83-2

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Highly Efficient Oxidation Catalyst – TEMPO is a powerful oxidation catalyst capable of selectively converting primary alcohols into aldehydes and secondary alcohols into ketones with excellent efficiency.

Strong Free Radical Scavenging Ability – As a piperidine nitroxide free radical, it effectively captures free radicals and helps improve reaction control and stability.

Singlet Oxygen Quenching Performance – TEMPO can efficiently quench singlet oxygen, making it highly valuable in oxidation control and advanced chemical synthesis applications.

Excellent Solubility and Easy Handling – It is easily soluble in water, ethanol, benzene, and other common solvents, while its sublimable crystal or liquid form supports convenient industrial processing.
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Product Description

Melting point36-38 °C(lit.)
Boiling point193°C
Density1 g/cm3
Vapor pressure0.4 hPa (20 °C)
Refractive index1.4350 (estimate)
Fp154 °F
Storage tempStore below +30°C.
Solubility9.7g/l
FormPowder
ColorYellow to green
PH8.3 (9g/l, H2O, 20℃)
Water SolubilitySoluble in all organic solvents. Insoluble in water.
Merck149140
BRN1422418
Stability:Stable. Incompatible with strong acids, strong oxidizing agents. Refrigerate.
InChIKeyRVWUHFFPEOKYLB-UHFFFAOYSA-N
CAS DataBase Reference2564-83-2(CAS DataBase Reference)
NIST Chemistry Reference1-Piperidinyloxy, 2,2,6,6-tetramethyl-(2564-83-2)
EPA Substance Registry System1-Piperidinyloxy, 2,2,6,6-tetramethyl- (2564-83-2)

Safety Information

Hazard CodesC,Xi
Risk Statements34-36/37/38
Safety Statements26-36/37/39-45-24/25
RIDADRUN 3263 8/PG 2
WGK Germany3
RTECSTN8991900
Autoignition Temperature275 °C
TSCAYes
HazardClass8
PackingGroupIII
HS Code29333999

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