C9H18NO
156.25 g/mol
Research ReagentDanger
TEMPO
CAS2564-83-2EC219-888-8
Category
Research Reagent
Compound Class
Amine
Primary Use
Research Compound
TEMPO is a stable nitroxide radical compound widely used as a radical trap and polymerization mediator in organic synthesis and materials science. Its ability to reversibly capture free radicals makes it valuable for controlled radical polymerization techniques and for studying radical-mediated processes.
radical trappolymerization mediatorspin label for EPR spectroscopy
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
N-(2-((2-Acrylamido-5-methoxy-4-((4-(1-methyl-1H-indol-3-yl)pyrimidin-2-yl)amino)phenyl)(methyl)amino)ethyl)-3-((2-((2-(dimethylamino)ethyl)(methyl)amino)-4-methoxy-5-((4-(1-methyl-1H-indol-3-yl)pyrimidin-2-yl)amino)phenyl)amino)-N,N-dimethyl-3-oxopropan-1-aminium
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ReferenceSame Category
N-methyl-L-phenylalanine
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YSA - General Finnish Thesaurus
CAS256643-13-7
research compound
Referencestereoisomer of
2,2,6,6-tetramethylpiperidine-d18-1-oxyl
CAS205679-68-1
research compound
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for TEMPO (CAS 2564-83-2) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 99
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
InChIKey
QYTDEUPAUMOIOP-UHFFFAOYSA-N
SMILES
CC1(CCCC(N1[O])(C)C)C
Synonyms (29)
- TEMPO
- Tanan
- Tanane
- Tetramethylpiperidinooxy
- tempo, free radical
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