Product Overview:

• TAHP-88 is a colorless, fluid liquid containing approximately 881 TP3T of tertiary amyl hydroperoxide desensitized by water.
• It is mainly used in polymerization reactions of monomers, especially in emulsion polymerization processes, e.g. of vinyl acetate or (meth)acrylate.

Technical data:

• Appearance: colorless liquid.
• Desensitizer: water.
• Content determination: about 88% w/w.
• Active Oxygen (AO): approximately 13.51 TP3T w/w.
• Density at 20°C: approx. 0.92 g/cm3.
• Viscosity at 20°C: approx. 5.2 mPa-s.
• Refractive index at 20°C: approx. 1.41.
• Flash point: approx. 47°C.
• Critical temperature (SADT): >80°C.
• Refrigeration stability: freezing point below 0°C.
• Recommended storage temperature: 2°C to 35°C.
• Storage stability (activity) from the date of delivery: 12 months.

Standard Packaging:

• 25 kg in HDPE drums.
• Also available in 190 kg drums, supplied from Germany.

Half-life data:

• 10 hr/1 hr/1 min (chlorobenzene, 0.1 mol/L): 153°C/190°C/228°C.

Applications:

• TAHP-88 is used as an initiator in emulsion polymerization processes including vinyl acetate, (meth)acrylate, acrylic resin coating dispersions, styrene/butadiene or acrylonitrile/butadiene/styrene in combination with appropriate reducing agents (e.g., Fe salts).
• Temperature range: 50°C to 80°C.
• Dosage level: 0.11 TP3T to 0.51 TP3T, as is.

Decomposition products:

• Possible detectable breakdown products include tertiary amyl alcohol, acetone and 2-butanone.

Storage:

• It is recommended to avoid the effects of heat, light, humidity and impurities.
• The product should be kept within a safe temperature range.

Disclaimer:

• The information and technical advice provided in the document reflects the current knowledge and experience of United Initiators.
• United Initiators makes no warranty that the information is suitable for specific applications or that the products will perform.
• The user is responsible for the application and use of the product and for conducting tests to verify its suitability.