(4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyl)oxidanyl

Basic Information

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CAS Number

2226-96-2

Molecular Formula

C9H18NO2

Molecular Weight

172.25 g/mol

EINECS

218-760-9

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Melting Point

69-71 °C

Boiling Point

302.58°C (rough estimate)

Density

1.0402 (rough estimate)

Water Solubility

soluble

Flash Point

146°(295°F)

Refractive Index

1.4350 (estimate)

Vapor Pressure

0.025Pa at 20℃

SMILES

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OC1CC(C)(C)N(C(C1)(C)C)[O]

InChI

InChI=1S/C9H18NO2/c1-8(2)5-7(11)6-9(3,4)10(8)12/h7,11H,5-6H2,1-4H3

InChIKey

UZFMOKQJFYMBGY-UHFFFAOYSA-N

LogP

1.3458

pKa

5.07[at 20 ℃]

Topological Polar Surface Area

43.37 Å²

Hydrogen Bond Donor/Acceptor

1 / 3

Complexity

159

Safety Information

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GHS Hazard Pictograms

H302

H315

H319

H335

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Stability

Stable. Incompatible with strong oxidizers.

Toxicity

LD50 oral in rat: 1053mg/kg

Synonyms & References

English

HYDROXY-TEMPO
4-HYDROXY-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL
4-HYDROXY-2,2,6,6-TETRAMETHYL-PIPERIDINOOXY
4-HYDROXY-2,2,6,6-TETRAMETHYLPIPERIDINE 1-OXYL
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-2,2,6,6-TETRAMETHYLPIPERIDINYLOXY
4-Hydroxy-2,2,6,6-tetramethyl-piperidinooxy
4-Hydroxy Tempo, Free Radical
4-Hydroxy-2,2,6,6-tetramethyl-1-piperidin-1-yloxy, free radical
2,2,6,6-Tetramethyl-4-hydroxypiperidine 1-oxyl
2.2.6.6-tetramethyl-freeagaoxy-4-piperidyl
4-Hydroxy-TEMPO Styrene,Acrylates+Acrylics polymerisation inhibitor
tempol
4-Hydroxy-TEMPO
4-Hydroxy Tempo
2,2,6,6-Tetramethyl freeagaoxy-4-piperidyl
4-Hydroxy-TEMPO free radical
4-Hydroxy-2,2,6,6-tetramethyl-piperidinyloxy
Light stabilizer 701
TMHPO
inhibitor zx-172
4-Hydroxy-2,2,6,6,-tetramethyl-4-piperidinyl oxide,free radical
2,2,6,6,-Tetramethyl-Freeagaoxy-4-Piperidyl
4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
The polymerization retarder, 701
1-Piperidinyloxy, 4-hydroxy-2,2,6,6-tetramethyl-
2,2,6,6-TETRAMETHYL-4-HYDROXY-1-PIPERIDINYLOXY
4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxy
2,2,6,6-Tetramethyl-4-hydroxy-1-piperidinyloxy radical

MDL Number

MFCD00006478

EC Number

218-760-9

Customs Code

29333999

FAQ

What is (4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyl)oxidanyl (CAS: 2226-96-2)?

The compound (4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyl)oxidanyl, with CAS number 2226-96-2, is a piperidine-derived hydroperoxide. It features a hydroxy group and four methyl substituents on the piperidine ring, making it a stable radical. This compound is commonly used as an antioxidant and stabilizer in chemical applications due to its ability to neutralize free radicals. Its molecular formula is C10H19NO2, and it is typically a colorless liquid with low solubility in water but good solubility in organic solvents.

What are the main uses of (4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyl)oxidanyl (CAS: 2226-96-2)?

The compound (4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyl)oxidanyl (CAS: 2226-96-2) is widely utilized in pharmaceuticals as an intermediate in drug synthesis, particularly for compounds requiring radical stabilization. In industry, it serves as a polymer stabilizer and antioxidant. It also finds applications in research for organic chemistry reactions and as a radical scavenger. Additionally, it may be used in food preservation and as a component in cosmetic formulations due to its chemical stability and low reactivity.

Is (4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyl)oxidanyl (CAS: 2226-96-2) safe?

The compound (4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyl)oxidanyl (CAS: 2226-96-2) is generally considered safe when handled properly. However, it may pose health risks if inhaled, ingested, or exposed to skin, requiring adherence to safety guidelines. Protective measures include wearing gloves, goggles, and a lab coat, and working in a well-ventilated area. Safety standards advise consulting the SDS and following OSHA protocols to minimize exposure and ensure safe handling practices.

How should (4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyl)oxidanyl (CAS: 2226-96-2) be stored?

To ensure stability and safety, (4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyl)oxidanyl (CAS: 2226-96-2) should be stored in a cool, dry, and dark environment, ideally at 2-8°C. It requires airtight, sealed containers to prevent moisture and air exposure. Avoid storage near strong oxidizers or heat sources. Proper storage conditions help maintain its chemical integrity and reduce the risk of degradation or hazardous reactions.