Description
Specifications Table
Product Name – TEMPO, free radical, 98%+
Quantity/Pack Size – 1g, 5g, 25g
Form – Solid (crystalline powder)
Grade – Laboratory grade (98%+ purity)
Application – Radical scavenger, polymerization mediator, organic synthesis
Product Overview
TEMPO (2,2,6,6-Tetramethylpiperidin-1-oxyl), a stable free radical with 98%+ purity, is a highly versatile reagent widely used in organic synthesis and materials science. Its unique nitroxide structure enables controlled radical polymerization, acting as a mediator to regulate chain growth and prevent termination. This compound exhibits exceptional stability under ambient conditions, making it suitable for long-term storage without significant degradation. The high purity ensures minimal interference in reactions, providing reproducible results in oxidative transformations, spin labeling, and as a radical scavenger. Its solubility in organic solvents like ethanol, acetone, and chloroform enhances its applicability in diverse experimental setups. The crystalline powder form allows for precise weighing and easy handling, reducing waste and improving efficiency in laboratory workflows. Whether used in catalytic systems or as a protective agent against oxidative damage, TEMPO delivers consistent performance, making it a staple in research and development laboratories.
FAQs
1. What is the shelf life of TEMPO free radical when stored properly?
When stored in a cool, dry place away from direct light and moisture, TEMPO free radical maintains its stability for up to 24 months from the date of manufacture. Always keep the container tightly sealed to prevent oxidation or contamination.
2. Can TEMPO be used in aqueous solutions, or is it strictly for organic solvents?
TEMPO is primarily soluble in organic solvents like ethanol, acetone, and chloroform. While it has limited solubility in water, it can be used in aqueous systems with the help of surfactants or co-solvents for specific applications.
3. What precautions should be taken while handling TEMPO in the lab?
Always wear appropriate personal protective equipment (PPE), including gloves, lab coats, and safety goggles. Avoid inhalation or direct skin contact, and work in a well-ventilated area or fume hood to minimize exposure.
4. Is this TEMPO suitable for use in living radical polymerization techniques?
Yes, this high-purity TEMPO (98%+) is ideal for living or controlled radical polymerization due to its stable radical nature, which helps regulate polymer chain growth and ensures narrow molecular weight distribution.
5. How does the purity of TEMPO affect experimental outcomes?
Higher purity (98%+) reduces the risk of side reactions or unintended byproducts, leading to more accurate and reproducible results. Impurities can act as initiators or terminators, compromising the integrity of the reaction.






