CHP, with the CAS number 80 - 15 - 9, which stands for Cumene Hydroperoxide, is a significant organic peroxide chemical. As a reliable supplier of CHP CAS 80 - 15 - 9, I am well - versed in its properties and how it interacts with other chemicals. In this blog, I will explore the chemical reactions of CHP and offer a comprehensive understanding for those interested in its applications.
Basic Properties of CHP CAS 80 - 15 - 9
Cumene Hydroperoxide is a clear to yellowish liquid with a melting point of - 30 °C and a boiling point of 153 °C. It is soluble in most organic solvents such as alcohol, ether, and benzene. It has a peroxide - like odor and is a strong oxidizing agent. Due to its unstable peroxide bond, CHP is highly reactive and can participate in a wide range of chemical reactions.
Reactions with Reducing Agents
CHP is an oxidizer, so it readily reacts with reducing agents. Reducing agents are substances that can donate electrons to other substances. When CHP reacts with a reducing agent, the peroxide bond in CHP is broken, and the oxygen atoms in CHP gain electrons.
For example, when it reacts with iodine ions (I⁻), the following reaction occurs:
[
\begin{align*}
\mathrm{CHP}+2\mathrm{I}^{-}+2\mathrm{H}^{+}&\longrightarrow \mathrm{C}{9}\mathrm{H}{12} + \mathrm{I}{2}+2\mathrm{H}{2}\mathrm{O}\
\end{align*}
]
In this reaction, the iodine ions are oxidized to iodine (I₂), and CHP is reduced. This reaction is often used in titration methods to determine the concentration of CHP in a sample.
Reactions with Transition Metals
CHP can react with transition metal ions such as cobalt(II), manganese(II) and copper(II). These metal ions can catalyze the decomposition of CHP. For instance, in the presence of a cobalt(II) ion, CHP undergoes a homolytic cleavage of the peroxide bond, generating a cumyloxyl radical and a hydroxyl radical:
[
\begin{align*}
\mathrm{CHP}+\mathrm{Co}^{2 +}&\longrightarrow\mathrm{C}{6}\mathrm{H}{5}\mathrm{C}(CH_{3})_{2}\mathrm{O}^{\cdot}+\mathrm{OH}^{-}+\mathrm{Co}^{3+}\
\end{align*}
]
These radicals can initiate further reactions, such as radical polymerization reactions. Radical polymerization is a versatile method for preparing polymers, and CHP in combination with transition - metal catalysts can be used to initiate the polymerization of various monomers like styrene and methyl methacrylate.
Reactions with Organic Compounds
Reaction with Alkenes
CHP can react with alkenes in an epoxidation reaction. In the presence of a suitable catalyst, the oxygen from the peroxide group in CHP is transferred to the double bond of the alkene to form an epoxide. For example, when CHP reacts with cyclohexene, cyclohexene oxide is formed:
[
\begin{align*}
\mathrm{CHP}+\mathrm{C}{6}\mathrm{H}{10}&\longrightarrow\mathrm{C}{6}\mathrm{H}{10}\mathrm{O}+\mathrm{C}{6}\mathrm{H}{5}\mathrm{C}(CH_{3})_{2}\mathrm{OH}\
\end{align*}
]
This reaction is useful in the synthesis of various fine chemicals and pharmaceuticals.
Reaction with Alcohols
Alcohols can react with CHP under certain conditions. In the presence of an acid catalyst, an alcohol can react with CHP to form a peroxide ester. For example, when ethanol reacts with CHP in the presence of sulfuric acid, ethyl cumyl peroxide is formed:
[
\begin{align*}
\mathrm{CHP}+\mathrm{C}{2}\mathrm{H}{5}\mathrm{OH}&\stackrel{H_2SO_4}{\longrightarrow}\mathrm{C}{6}\mathrm{H}{5}\mathrm{C}(CH_{3}){2}\mathrm{OOC}{2}\mathrm{H}{5}+\mathrm{H}{2}\mathrm{O}\
\end{align*}
]
These peroxide esters are also important initiators in polymerization reactions.
Comparisons with Related Organic Peroxides
When talking about organic peroxides, it's worth comparing CHP with other similar chemicals. For example, TMCH | CAS 6731 - 36 - 8 | 1,1 - Di-(tert - butylperoxy)-3,3,5 - trimethylcyclohexane TMCH | CAS 6731 - 36 - 8 | 1,1 - Di-(tert - butylperoxy)-3,3,5 - trimethylcyclohexane is another organic peroxide. TMCH has a higher decomposition temperature compared to CHP. This means that TMCH can be used in high - temperature polymerization processes where CHP may decompose too quickly.
TAHP | CAS 3425 - 61 - 4 | Tert - Amyl Hydroperoxide TAHP | CAS 3425 - 61 - 4 | Tert - Amyl Hydroperoxide is also a hydroperoxide, similar to CHP. However, TAHP has different solubility and reactivity profiles. It is often used in applications where its unique solubility characteristics are required.
Tertial Butyl Peroxybenzoate Tertial Butyl Peroxybenzoate has a different chemical structure compared to CHP. It contains a peroxy - benzoate group, which gives it different reactivity and application areas. It is commonly used as an initiator in vinyl polymerization reactions.
Safety Considerations in Reactions
Since CHP is a strong oxidizing agent, it must be handled with extreme care when reacting with other chemicals. Reactions with flammable or combustible substances can lead to explosive mixtures. It is important to follow strict safety protocols, including proper storage, handling, and reaction conditions. Adequate ventilation should be provided when working with CHP to prevent the build - up of vapors.
Applications Influenced by Reactions
The reactions of CHP have a wide range of applications. In the polymer industry, the reactions with transition - metal catalysts and monomers are used to produce high - quality polymers used in plastics, rubber, and coatings. In the pharmaceutical industry, the epoxidation reactions are important for the synthesis of drug intermediates.
As a supplier of CHP CAS 80 - 15 - 9, I understand the importance of providing high - quality products. Our CHP is carefully manufactured and tested to ensure its purity and reactivity. Whether you are conducting research on new chemical reactions or need a reliable source of CHP for industrial production, we are here to meet your needs. If you are interested in purchasing CHP or have any questions about its reactions or applications, please feel free to contact us for further discussions.
References
- Advanced Organic Chemistry, Jerry March, Wiley - Interscience
- Peroxides in Organic Synthesis, Peter M. Edwards, Royal Society of Chemistry
- Handbook of Polymer Science and Technology, Hans F. Mark, Wiley - Interscience