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Methyl ethyl ketone peroxide (MEKP) is a chemical compound used as a polymerization initiator in the manufacture of fiberglass-reinforced plastics, unsaturated polyester resins, and other composites.
- Chemical formula: (C4H8O2)2
- Appearance: Colorless to pale yellow liquid
- Boiling point: Around 101°C
- Solubility: Soluble in organic solvents such as acetone and toluene.
Uses:
- Composites Industry: MEKP is commonly used as a curing agent in the manufacturing of fiberglass-reinforced plastic parts, such as boat hulls, automobile parts, and tanks.
- Polyester resins: It is often added to unsaturated polyester resins to initiate polymerization, creating a hard, strong material.
- Adhesives and Coatings: Used as a hardener in some adhesives and coatings.
Risks and security:
- MEKP is an organic peroxide and may be flammable. It must be handled with care.
- It may react violently with reducing materials, strong bases and other incompatible substances.
- MEKP vapors may be irritating to the eyes and respiratory tract. Adequate ventilation is required when handling.
Storage :
- Store in a cool, well-ventilated place out of direct sunlight.
- Avoid storage near incompatible materials.
- Use plastic or glass containers.
Safe handling:
- Use personal protective equipment (PPE) such as gloves, eye protection and protective clothing.
- Avoid contact with skin, eyes and respiratory tract.
Transport :
- The transport of MEKP is subject to specific regulations due to its peroxide nature. Comply with local and international regulations on the transport of hazardous chemicals.
Data sheet
- CAS Number
- 1338-23-4
- HS Code
- 2909
- Chemical Formula
- [(CH3)(C2H5)C(O2H)]2O2
- EINECS No
- 215-661-2
- Appearance
- Clear colorless liquid
- Storage conditions
- Max Temperature 25°C