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United Initiators BU-50-WO 2,4-Bis(tert-butylperoxy)butane 2167-23-9

2023-10-11bu-50-wo
Product Information
  • Product Name: BU-50-WO
  • Chemical Composition: 2,2-Di(tert-butylperoxy)butane
  • Form: 50% liquid, soluble in white oil (OMS)
  • Main Applications: Used as an initiator for the (co)polymerization of styrene, vinyl acetate, methacrylates, etc.
  • Temperature Range: 100–140°C (styrene, other monomers)
Technical Data
  • Form: Colorless liquid
  • Peroxide Content: Approximately 50% (mass percentage)
  • Active oxygen content: approx. 6.83% (by mass)
  • Deactivator: White oil (OMS)
  • Density (20°C): approx. 0.86 g/cm³
  • Viscosity (20°C): approx. 7 mPa·s
  • Refractive index (20°C): approx. 1.438
  • Critical temperature (SADT): approx. 70°C
  • Refrigerated stability: Can be frozen to -25°C
  • Recommended storage temperature: up to 30°C
  • Storage stability from date of delivery: 6 months
Half-life data
  • 10 hours/1 hour/1 minute (0.1 M / isodecane): 104°C/124°C/165°C
Packaging
  • Standard packaging: 25 kg per drum (HDPE), 400 kg per pallet
Applications
  • Used in the (co)polymerization of styrene, whether in bulk or suspension; recommended for use in combination with more active peroxides (styrene)
  • Used as an initiator for the (co)polymerization of vinyl acetate, methacrylates, etc.
Disclaimer
  • Technical data and recommendations are based on internal testing and do not constitute a guarantee of product properties, suitability, or complete instructions for use.
  • No guarantee is provided regarding product performance or shelf life.
  • The user assumes all responsibility and risk associated with the use of this information and is responsible for verifying and testing the product’s suitability.

FAQ

How to order United Initiators BU-50-WO?
For bulk orders of United Initiators BU-50-WO, please contact our sales team via the contact page (https://www.yunno.net/en/contact) or email us at huyu@yunno.net, or call/WhatsApp +86 137 7522 5407. We provide cold-chain logistics and technical support.
Do you provide technical data sheets (TDS) and safety data sheets (MSDS) for United Initiators BU-50-WO?
Yes, Yunno Chemical provides full technical data sheets (TDS), certificates of analysis (COA), and GHS-compliant safety data sheets (MSDS) for qualified customers. Please contact our technical support team for more information.

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