4-Hydroxy-2,2,6,6-tetramethyl-piperidinooxy
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- $5 - $15100
- Product name: 4-Hydroxy-2,2,6,6-tetramethyl-piperidinooxy
- CAS: 2226-96-2
- MF: C9H18NO2*
- MW: 172.24
- EINECS:218-760-9
- MDL Number:MFCD00006478
- Synonyms:4-HYDROXY-2,2,6,6-TETRAMETHYL-PIPERIDINOOXY;4-HYDROXY-2,2,6,6-TETRAMETHYL-1-PIPERIDIN-1-YLOXY;4-HYDROXY-2,2,6,6-TETRAMETHYL-1-PIPERIDINYLOXY, FREE RADICAL;4-HYDROXY-2,2,6,6-TETRAMETHYL-PIPERIDINOOXY, FREE RADICAL;4-HYDROXY-TEMPO, FREE RADICAL;2,2,6,6-Tetramethyl-4-hydroxypiperidine 1-oxyl;4-Hydroxy-2,2,6,6-tetramethyl-1-piperidin-1-yloxy, free radical;4-Hydroxy-TEMPO Styrene,Acrylates+Acrylics polymerisation inhibitor
140 prices
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Brand
- aablocks
- AccelPharmtech
- AHH
- AK Scientific
- Ambeed
- American Custom Chemicals Corporation
- ApexBio Technology
- Apolloscientific
- Arctom
- AvaChem
- Biorbyt Ltd
- Biosynth
- Cayman Chemical
- Chem-Impex
- ChemScene
- CSNpharm
- DC Chemicals
- Frontier Specialty Chemicals
- Matrix Scientific
- Medical Isotopes, Inc.
- Oakwood
- Sigma-Aldrich
- TCI Chemical
- Thermo Scientific Chemicals
- Tocris
- TRC
- Usbiological
Package
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- 100.00g
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- 1T
- 1 g
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- EvaluationSample
- 2.5kg
- 10kg
- 25kg
- 10mM(in1mLDMSO)
- Manufactureraablocks
- Product numberAA0033ZV
- Product description4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxy 95%
- Packaging1mg
- Price$8
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA0033ZV
- Product description4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxy 98%
- Packaging25g
- Price$9
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA0033ZV
- Product description4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxy 98%
- Packaging100g
- Price$16
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA0033ZV
- Product description4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxy 98%
- Packaging250g
- Price$20
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA0033ZV
- Product description4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxy 98%
- Packaging500g
- Price$25
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA0033ZV
- Product description4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxy 95%
- Packaging1000g
- Price$35
- Updated2026-05-28
- Buy
- ManufacturerAccelPharmtech
- Product numberFB2664
- Product description4-Hydroxy-2,2,6,6-tetramethyl-piperidinooxy 99.00%
- Packaging1T
- Price$15100
- Updated2026-05-21
- Buy
- ManufacturerAHH
- Product numberMT-15608
- Product description4-Hydroxy-2,2,6,6-tetramethylpiperidinyloxy 97%
- Packaging100g
- Price$418
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product numberF502
- Product description4-Hydroxy-TEMPO,freeradical
- Packaging500g
- Price$154
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product numberJ10761
- Product description4-Hydroxy-TEMPO,freeradical
- Packaging250g
- Price$108
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product numberJ90801
- Product description4-Hydroxy-TEMPO,freeradical
- Packaging1kg
- Price$220
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product numberF502
- Product description4-Hydroxy-TEMPO, free radical 99%(GC)
- Packaging100g
- Price$54
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberF502
- Product description4-Hydroxy-TEMPO, free radical 99%(GC)
- Packaging25g
- Price$28
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ10761
- Product description4-Hydroxy-TEMPO, free radical >99%(GC)
- Packaging25g
- Price$37
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ10761
- Product description4-Hydroxy-TEMPO, free radical >99%(GC)
- Packaging100g
- Price$74
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ90801
- Product description4-Hydroxy-TEMPO, free radical 98%
- Packaging250g
- Price$74
- Updated2026-06-04
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA0033ZV | 4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxy 95% | 1mg | $8 | 2026-05-28 | Buy |
| aablocks | AA0033ZV | 4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxy 98% | 25g | $9 | 2026-05-28 | Buy |
| aablocks | AA0033ZV | 4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxy 98% | 100g | $16 | 2026-05-28 | Buy |
| aablocks | AA0033ZV | 4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxy 98% | 250g | $20 | 2026-05-28 | Buy |
| aablocks | AA0033ZV | 4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxy 98% | 500g | $25 | 2026-05-28 | Buy |
| aablocks | AA0033ZV | 4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxy 95% | 1000g | $35 | 2026-05-28 | Buy |
| AccelPharmtech | FB2664 | 4-Hydroxy-2,2,6,6-tetramethyl-piperidinooxy 99.00% | 1T | $15100 | 2026-05-21 | Buy |
| AHH | MT-15608 | 4-Hydroxy-2,2,6,6-tetramethylpiperidinyloxy 97% | 100g | $418 | 2021-12-16 | Buy |
| AK Scientific | F502 | 4-Hydroxy-TEMPO,freeradical | 500g | $154 | 2021-12-16 | Buy |
| AK Scientific | J10761 | 4-Hydroxy-TEMPO,freeradical | 250g | $108 | 2021-12-16 | Buy |
| AK Scientific | J90801 | 4-Hydroxy-TEMPO,freeradical | 1kg | $220 | 2021-12-16 | Buy |
| AK Scientific | F502 | 4-Hydroxy-TEMPO, free radical 99%(GC) | 100g | $54 | 2026-06-04 | Buy |
| AK Scientific | F502 | 4-Hydroxy-TEMPO, free radical 99%(GC) | 25g | $28 | 2026-06-04 | Buy |
| AK Scientific | J10761 | 4-Hydroxy-TEMPO, free radical >99%(GC) | 25g | $37 | 2026-06-04 | Buy |
| AK Scientific | J10761 | 4-Hydroxy-TEMPO, free radical >99%(GC) | 100g | $74 | 2026-06-04 | Buy |
| AK Scientific | J90801 | 4-Hydroxy-TEMPO, free radical 98% | 250g | $74 | 2026-06-04 | Buy |
Properties
Melting point :69-71 °C(lit.)
Boiling point :302.58°C (rough estimate)
Density :1.0402 (rough estimate)
vapor pressure :0.025Pa at 20℃
refractive index :1.4350 (estimate)
Flash point :146°(295°F)
storage temp. :2-8°C
solubility :1670g/l
form :Crystals or Crystalline Powder
pka :5.07[at 20 ℃]
color :Orange
PH :8.2 (20g/l, H2O, 20℃)
Water Solubility :soluble
Merck :14,9141
BRN :1422990
Henry's Law Constant :3.3×109 mol/(m3Pa) at 25℃, HSDB (2015)
Stability :Stable. Incompatible with strong oxidizing agents.
Cosmetics Ingredients Functions :ANTIOXIDANT
InChI :1S/C9H18NO2/c1-8(2)5-7(11)6-9(3,4)10(8)12/h7,11H,5-6H2,1-4H3
InChIKey :FAPCFNWEPHTUQK-UHFFFAOYSA-N
SMILES :CC1(C)CC(O)CC(C)(C)N1[O]
LogP :0.56 at 25℃
CAS DataBase Reference :2226-96-2(CAS DataBase Reference)
NIST Chemistry Reference :1-Piperidinyloxy, 4-hydroxy-2,2,6,6-tetramethyl-(2226-96-2)
EPA Substance Registry System :1-Piperidinyloxy, 4-hydroxy-2,2,6,6-tetramethyl- (2226-96-2)
Boiling point :302.58°C (rough estimate)
Density :1.0402 (rough estimate)
vapor pressure :0.025Pa at 20℃
refractive index :1.4350 (estimate)
Flash point :146°(295°F)
storage temp. :2-8°C
solubility :1670g/l
form :Crystals or Crystalline Powder
pka :5.07[at 20 ℃]
color :Orange
PH :8.2 (20g/l, H2O, 20℃)
Water Solubility :soluble
Merck :14,9141
BRN :1422990
Henry's Law Constant :3.3×109 mol/(m3Pa) at 25℃, HSDB (2015)
Stability :Stable. Incompatible with strong oxidizing agents.
Cosmetics Ingredients Functions :ANTIOXIDANT
InChI :1S/C9H18NO2/c1-8(2)5-7(11)6-9(3,4)10(8)12/h7,11H,5-6H2,1-4H3
InChIKey :FAPCFNWEPHTUQK-UHFFFAOYSA-N
SMILES :CC1(C)CC(O)CC(C)(C)N1[O]
LogP :0.56 at 25℃
CAS DataBase Reference :2226-96-2(CAS DataBase Reference)
NIST Chemistry Reference :1-Piperidinyloxy, 4-hydroxy-2,2,6,6-tetramethyl-(2226-96-2)
EPA Substance Registry System :1-Piperidinyloxy, 4-hydroxy-2,2,6,6-tetramethyl- (2226-96-2)
Safety Information
| Symbol(GHS): |
 
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| Signal word: | Danger | |||||||||||||||||||||
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Description
Superoxide scavenger with neuroprotective, anti-inflammatory and analgesic effects4-Hydroxy-TEMPO free radical is used as a catalyst and a chemical oxidant by virtue of being a stable radical. It is used for detoxifying reactive oxygen species in medicinal chemistry. It is involved in the catalysis of disproportionation of superoxide and facilitates hydrogen peroxide metabolism. It is used to prepare tris(2,2,6,6-tetramethyl-1-oxyl-4-piperidyloxy)trimellitate by reacting with benzene-1,2,4-tricarbonyl trichloride. Further, it is used as a free radical scavenger and exhibits neuroprotective, anti-inflammatory and analgesic effects. In addition to this, it has good inhibition effect to acrylic acid esters, methyl acrylate, acrylic acid, acrylonitrile, styrene and butadiene.More related product prices
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Suppliers and manufacturers
Jiangxi Lotchem Co.,Ltd.
ZHEJIANG ESTCHEM CO.,LTD
Capot Chemical Co.,Ltd.
Inhibitor 701
CAS:2226-96-2
