p-Menthane hydroperoxide (PMHP)
- Chemical Family Organic Peroxide
- Synonym Paramenthane Hydroperoxide
- Molecular Formula C₁₀H₂₀O₂
- Molecular Weight 172.26
- UN No. 3109
- Road Transport (ADR) 5.2
- Rail Transport (RID) 5.2
- Sea Transport (IMDG) 5.2
Half-Life Period
(measured in benzene solution, 0.2mol)
- 0.1 hour 176℃
- 1 hour 151℃
- 10 hours 128℃
- Theoretical active oxygen content: 9.28%
- Purity: 50.0-55.0%
- Active oxygen content: 4.65-5.12%
- pH of extract: ≧4.0
- Cu : 5mg/kg max
- Mn : 5mg/kg max
- Self-accelerating decomposition temperature (SADT): 80℃
- Hazardous temperature (Tem): 75℃
- Storage temperature (Ts min/Ts max): 30/38℃
- Solubility: Very soluble in most organic solvents
PMHP is extensively used as a polymerization initiator for styrene and its copolymers, including SAN, ABS, and SBR. It’s also used in the polymerization of acrylic and methacrylic compounds, contributing to the production of various polymers for industrial use.
-
Packaging
PMHP is typically available in 20 kg polyethylene drums. Additionally, customized packaging options can be arranged to meet specific requirements from customers.
-
Storage
To ensure product integrity, PMHP should be stored in tightly sealed containers in a well-ventilated area, with a recommended maximum temperature of 35°C. Keep it away from materials such as reducing agents, acids, bases, and heavy metals (including accelerators and metallic soaps), which can cause unwanted reactions. Handling and repackaging the product within storage facilities is prohibited, to maintain safety and quality.
-
Storage Stability
When stored under the recommended conditions, DBHP maintains its technical standards for up to three months.
-
Safe Handling
Keep the product away from heat, flames, and any ignition sources.
Avoid any contact with incompatible materials like acids, bases, and reducing agents, including metallic soaps. Refer to the MSDS for detailed safety and handling instructions to ensure proper usage.
