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Dayang Chem (Hangzhou) Co., Ltd.
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Product Name: 4-Oxo-2,2,6,6-tetramethylpiperidinooxy
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Henan Tianfu Chemical Co., Ltd.
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Product Name: 4-Oxo-2,2,6,6-tetramethylpiperidinooxy
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2896-70-0

2896-70-0 structure

2896-70-0 structure

Name: 4-Oxo-2,2,6,6-tetramethylpiperidinooxy
Chemical Name: 4-Oxo-2,2,6,6-tetramethylpiperidinooxy
CAS Number: 2896-70-0
Molecular Formula: C₉H₁₆NO₂
Molecular Weight: 170.229
Catalog: analytical chemistry Standard Spectrometric standard
Create Date: 2019-01-23 18:41:24
Modify Date: 2026-07-01 13:13:39

Name	4-Oxo-2,2,6,6-tetramethylpiperidinooxy
Synonyms	2,2,6,6-TETRAMETHYLPIPERID-4-ONE-1-OXYL [(4-Oxo-2,2,6,6-tetramethylpiperidine-1-yl)oxy]radical 4-Oxo-TEMPO, free radical 4-Oxo-2,2,6,6-trtramethyl-1-piperidi nyloxy,free radical 2,2,6,6-tetramethyl-4-oxo-1-piperidinylox 4-Oxo-2,2,6,6-trtramethyl-1-piperidinyloxy 4-OXO-2,2,6,6-TETRAMETHYLPIPERIDINOOXY, FREE RADICAL 4-Oxo-TEMPO free radical 4-oxo-2,2,6,6-tetramethylpiperidine-1-oxy 2,2,6,6-Tetramethyl-4-piperidone 1-oxyl, free radical 4-Oxo-2,2,6,6-tetraMethylpiperidinoxy (4-oxo-TeMpo) 1-oxyl-2,2,6,6-tetramethylpiperidin-4-one 4-Oxo-2,2,6,6-tetramethylpiperidine 1-oxyl free radical 2,2,6,6-Tetramethyl-4-piperidone 1-nitroxide 4-Oxo-2,2,6,6 EINECS 220-778-7 Triacetoneamine nitroxide Tanone radical 2,2,6,6-tetramethyl-4-oxo-piperidin-1-oxyl 4-OXO-2,2,6,6-TETRAMETHYL-1-PIPERIDINYLOXY Tanone UNII-7W1863PEH5 vitamin 4-OXO-2,2,6,6-TETRAMETHYLPIPERIDINOOXY (2,2,6,6-Tetramethyl-4-oxopiperidinooxy)radical 2,2,6,6-tetramethyl-4-oxo-piperidinoox (2,2,6,6-Tetramethyl-4-oxopiperidin-1-yl)oxidanyl Polycondensation inhibitor 702 / 4-Oxo-TEMPO 2,2,6,6-tetramethyl-4-oxopiperidinooxy 4-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical(purified by sublimation) 2,2,6,6-TETRAMETHYL-4-OXOPIPERIDINOOXY 4-OXO-2,2,6,6-TETRAMETHYL-4-PIPERIDINYLOXY Piperidinooxy, 2,2,6,6-tetramethyl-4-oxo 4-OXO-2,2,6,6-TETRAMETHYLPIPERIDINOXY TANO 4-OXO-2,2,6,6-TETRAMETHYLPIPERIDINE 1-OXYL 4-Oxo Tempo 4-Oxo-2,2,6,6-tetramethylpiperidine-1-oxyl(4-Oxo-TEMPO,freeradical) 2,2,6,6-Tetramethylpiperidone-1-oxyl 1-OXYL-2,2,6,6-TETRAMETHYL-4-PIPERIDONE MFCD00006187 2,2,6,6-tetramethylpiperidinyloxyl 2,2,6,6-Tetramethyl-4-oxo-piperidinoxy 4-Oxo-2,2,6,6-tetramethylpiperidine1-OxylFreeRadical> TIMTEC-BB SBB008633 2,2,6,6-TETRAMETHYL-4-OXO-1-PIPERIDINYLOXY 4-Oxo-tempo[4-Oxo-TEMPO] TEMPONE ZJ-702 4-Oxo-2,2,6,6-tetramethylpiperidinooxy free radical 4-OXO-TEMPO Triacetoneamine N-oxyl triacetoneamine-n-oxyl (2,2,6,6-Tetramethyl-4-oxo-1-piperidinyl)oxidanyl (2,2,6,6-Tetramethyl-4-oxopiperidinyloxy)radical 2,2,6,6-TETRAMETHYL-4-PIPERIDONE 1-OXYL 4-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical 2,2,6,6-Tetramethyl-4-piperidone 1-oxyl 1-(1H-1,3-BENZODIAZOL-2-YL)-1H-PYRAZOL-9-AMINE 4-OXO-TEMPO --ORANGE SOLID, SPIN LABEL, % 4-Oxo TeMpo, free radical (4-Oxo-2,2,6,6-TetraMethyl-4-Piperidinyloxy, free radical) 4-oxo-2,2,6,6-tetramethyl-piperidinyloxy 4-Oxo-2,2,6,6-tetramethylpiperidinooxyl 2,2,6,6-Tetramethyl-4-oxo-piperidin-1-oxyl 4-oxo-2,2,6,6-tetramethyl piperidone -1-oxyl 1-Piperidinyloxy radical, 2,2,6,6-tetramethyl-4-oxo Oxo-2,2,6,6-tetramethylpiperidinooxy 4-Oxo-2,2,6,6-tetramethyl-1-piperidinyloxy, free radical

Density	1.02g/cm3
Boiling Point	257.5ºC at 760mmHg
Melting Point	33-38 °C
Molecular Formula	C₉H₁₆NO₂
Molecular Weight	170.229
Flash Point	109.5ºC
Exact Mass	170.118103
PSA	20.31000
LogP	1.49190
Storage condition	0-6°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TN9200000

CHEMICAL NAME :: Piperidinooxy, 2,2,6,6-tetramethyl-4-oxo-

CAS REGISTRY NUMBER :: 2896-70-0

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C9-H16-N-O2

MOLECULAR WEIGHT :: 170.26

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: Cytogenetic analysis

TEST SYSTEM :: Rodent - hamster Fibroblast

DOSE/DURATION :: 10 mg/L

REFERENCE :: NTRSDC Nutrition Research. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1981- Volume(issue)/page/year: 4,989,1984

Symbol	GHS09
Signal Word	Warning
Hazard Statements	H400
Precautionary Statements	P273
Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi
Risk Phrases	R36/37/38
Safety Phrases	S24/25
RIDADR	UN 3077 9 / PGIII
WGK Germany	3
RTECS	TN9200000

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