CAS 2226-96-2 4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical

NAVIGATION

4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical

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Catalog Number

ACM2226962-1

CAS Number

2226-96-2

Product Name

4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical

Structure

Category

Organic Radicals; Battery Materials; Polymerization Reagents

Synonyms

4-Hydroxy-TEMPO Free Radical

Molecular Weight

172.25

Molecular Formula

C9H18NO2

InChI

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

InChI Key

UZFMOKQJFYMBGY-UHFFFAOYSA-N

Melting Point

72 °C

Purity

>98.0%(GC)

Solubility

soluble in Methanol

Appearance

Light yellow to Amber to Dark green powder to crystal

Application

The purpose of 4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical, commonly known as 4-hydroxy-TEMPO, is multifaceted, serving as a critical component in both scientific research and industrial applications. In the realm of biochemical research, it functions as a potent agent to mitigate reactive oxygen species, owing to its superoxide dismutase (SOD) mimetic activity, which allows it to inhibit lipid peroxidation effectively and quench superoxide anions. It is particularly valuable for its ability to catalyze superoxide disproportionation and facilitate hydrogen peroxide metabolism, making it instrumental in limiting oxidative stress within biological systems. In vitro studies have demonstrated its efficacy in significantly reducing superoxide anion production, while in vivo it can lower blood pressure and heart rate in hypertensive models. Additionally, 4-hydroxy-TEMPO's role as an efficient spin label facilitates the quantification of intracellular oxygen using electron spin resonance spectroscopy. On an industrial scale, it is utilized for its antioxidant properties and as a structural component in hindered amine light stabilizers, which enhance the durability of plastics. It also serves as a polymerization inhibitor, particularly valuable during styrene purification, making it indispensable in various chemical processes.

Storage

Store under inert gas

Hazard Statements

H302 : Harmful if swallowed.H315 : Causes skin irritation.H319 : Causes serious eye irritation.

MDL Number

MFCD00006478

Precautionary Statements

P501 : Dispose of contents/ container to an approved waste disposal plant.P270 : Do not eat, drink or smoke when using this product.P264 : Wash skin thoroughly after handling.P280 : Wear protective gloves/ eye protection/ face protection.P337 + P313 : If eye irritation persists: Get medical advice/ attention.P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.P302 + P352 : IF ON SKIN: Wash with plenty of soap and water.P332 + P313 : If skin irritation occurs: Get medical advice/ attention.P362 : Take off contaminated clothing and wash before reuse.P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth.

Signal Word

Warning

MSDS

Download MSDS

COA

Download COA

Spec Sheet

Download Spec Sheet

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