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United Initiators TBPEHC Peroxy-2-ethylhexyl carbonate, tert-butyl ester 34443-12-4

2023-10-11tbpehc
TBPEHC is a colorless, free-flowing liquid whose main component is technically pure tert-butyl peroxy-(2-ethylhexyl) carbonate.This carbonate mono-peroxide, which offers superior thermal stability, is used as an initiator (radical source) in monomer (SM) polymerization, unsaturated polyester (UP) curing, and polymer (EVA) crosslinking. Technical Data
  • Appearance: Colorless liquid
  • Peroxide content: approx. 99% w/w
  • Active oxygen content: approx. 6.43% w/w
  • No inhibitor
  • Density (20°C): approx. 0.93 g/cm³
  • Viscosity (20°C): approx. 6 mPa·s
  • Refractive index (20°C): approx. 1.428
  • Critical temperature (SADT): approx. 70°C
  • Freezer stability: below -30°C
  • Recommended storage temperature: up to 20°C
  • Storage stability (from date of delivery): 3 months
Applications
  • Used as an initiator for Morigan polymerization systems, such as the polymerization of styrene (SM).
  • Often used in combination with benzoyl peroxide (BPO) in suspension polymerization or tert-butyl peroxy-2-ethylhexanoate (TBPEH) in bulk polymerization.
  • Temperature range: 100°C – 140°C.
  • Usage: 0.02% – 0.1% of the supply quantity.
  • Advantages: Reduces residual monomer content in the polymer and does not produce aromatic decomposition products.
Packaging
  • 25-kilogram HDPE drums.
Disclaimer
  • The information provided and all further technical advice reflect our current knowledge and experience based on internal testing of local raw materials and are intended to provide information about our products and their applications.
  • This information should not be construed as a guarantee of the specific performance of the described products or their suitability for specific applications, nor should it be considered as providing instructions for use.
  • This information does not constitute a guarantee of product performance or shelf life, nor does it imply any legal liability for the use of the information provided, including with respect to existing third-party intellectual property rights (in particular, patent rights).
  • We reserve the right to make any changes based on technical progress or further developments.
  • Applications of our products based on our technical recommendations are beyond our control and are the sole responsibility of the user.
  • Users are not relieved of their obligation to conduct careful inspections and tests to verify the suitability of the goods for their intended applications.

FAQ

How to order United Initiators TBPEHC?
For bulk orders of United Initiators TBPEHC, 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 TBPEHC?
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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