2,2,6,6-Tetramethyl-4-p-toluenesulfonyloximinopiperidine-1-oxyl, also known as TEMPO, is a stable, water-soluble, and highly selective nitroxyl radical compound widely used in various chemical reactions. It is characterized by its unique structure, which includes a piperidine ring with four methyl groups, a p-toluenesulfonyl group, and a nitroxyl group. TEMPO is commonly employed as a catalyst in oxidation reactions, particularly in the oxidation of alcohols to aldehydes or ketones, and in the polymerization of various monomers, such as vinyl monomers, to produce controlled polymer structures. Its stability and selectivity make it a valuable tool in organic synthesis and materials science.
76170-84-8
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Basic information
- Product Name: 2,2,6,6-tetramethyl-4-p-toluenesulfonyloximinopiperidine-1-oxyl
- Synonyms: 2,2,6,6-tetramethyl-4-p-toluenesulfonyloximinopiperidine-1-oxyl
- CAS NO:76170-84-8
- Molecular Formula:
- Molecular Weight: 339.436
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 2,2,6,6-tetramethyl-4-p-toluenesulfonyloximinopiperidine-1-oxyl(CAS DataBase Reference)
- NIST Chemistry Reference: 2,2,6,6-tetramethyl-4-p-toluenesulfonyloximinopiperidine-1-oxyl(76170-84-8)
- EPA Substance Registry System: 2,2,6,6-tetramethyl-4-p-toluenesulfonyloximinopiperidine-1-oxyl(76170-84-8)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 76170-84-8(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 76170-84-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,1,7 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.Calculate Digit Verification of CAS Registry Number 76170-84:
(7*7)+(6*6)+(5*1)+(4*7)+(3*0)+(2*8)+(1*4)=138
138 % 10 = 8
So 76170-84-8 is a valid CAS Registry Number.
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2,2,6,6-tetramethyl-4-p-toluenesulfonyloximinopiperidine-1-oxyl
