- Product Name: DHBP (2,5-Dimethyl-2,5-di(tert-butylperoxy)pentane)
- Chemical Formula: CAS #78-63-7
- Physical State: Liquid, industrial grade
- Molecular Weight: 290.4 g/mol
- Appearance: Colorless liquid
- Purity: Approximately 94% w/w
- Reactive oxygen content: Approximately 10.4% w/w
- Desensitizing agent: None
- Density (20°C): approx. 0.87 g/cm³
- Viscosity at 20°C: approx. 7 mPa·s
- Refractive index at 20°C: approx. 1.422
- Color Index (Hazen): Approx. 50–80
- Solubility: Insoluble in water; soluble in alcohols and esters
- Vapor pressure (50/80/110°C): 8/27/95 mbar
- Critical Temperature (SADT): approx. 90°C
- Refrigerated Stability: Freezing point below 10°C
- Recommended storage temperature: 10 to 40°C
- Shelf life: 12 months from the date of delivery
- Compliant with the European Waste Electrical and Electronic Equipment Directive (RoHS 2002/95/EG, WEEE 2002/96/EG)
- Used as a free-radical initiator for polymer crosslinking
- Radical initiator for controlling the rheology of polypropylene
- Temperature range: 200–220°C
- Usage: 0.01–0.1% w/w, depending on the product supplied, based on the polymer
- Promotes the degradation of polypropylene molecular weight, making it easier to (re)process
- Controls the melt flow of polypropylene and improves its melt index
- Suitable for crosslinking a wide range of polymers and elastomers, including polyethylene, ethylene-vinyl acetate copolymer, ethylene-propylene-[diene] rubber, silicone rubber, and fluorinated elastomers
- No premature crosslinking (scorching) occurs at low temperatures
- Available in a variety of packaging sizes
- Information and technical recommendations are based on internal testing and local raw materials and reflect current knowledge and experience
- No guarantee is made regarding specific product properties or suitability for specific applications, nor are complete instructions for use provided
- No guarantee is made regarding the properties of the product or its shelf life, nor is any liability assumed for the use of the product
- The use and application of the product are at the user’s own risk and responsibility
- Users are required to carefully inspect and test the products upon receipt to verify their suitability for the intended application