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Tert-Amyl peroxypivalate (TAPP)

 Properties: It is colorless transparent oily liquid, insoluble in water, soluble in most organic solvents, freezing point below -23℃. Viscosity (-10℃): 2.1mPa.s .


Tert-Amyl Peroxypivalate (TAPP)

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Tert-Amyl peroxypivalate (TAPP)


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Product description

Product details


      Trade name: initiator ZH-TAPP

  English name: Tert-Amyl peroxy pivalate

  Chemical name: Tert-Amyl peroxy pivalate

  Molecular formula: C10H20O3

  Molecular weight: 188.3

  Theoretical active oxygen amount: 8.5%

  CAS: 29240-17-3

  UN No. 3113

  Grade: 5.2

  C-type liquid organic peroxide, temperature-controlled transportation.

  Properties: It is colorless transparent oily liquid, insoluble in water, soluble in most organic solvents, freezing point below -23℃. Viscosity (-10℃): 2.1mPa.s .

  Main decomposition products: tert-amyl alcohol, methane, isobutane, acetone, methyl ethyl ketone, CO2, etc.

  Safety index:


  0.1hour: 91℃

  1 hour: 72℃

  10 hours: 55℃

  Thermal stability data:

  Self-accelerated decomposition temperature (SADT): 25℃

  Crisis temperature(Tem): 15℃

  Control temperature(Tc): 10℃

  Storage temperature(Tsmax): --/-10 ℃

  Activation energy E(KJ/mol): 127.76


  1. This product is an efficient initiator for high-pressure tubular or kettle polymerization of ethylene.

  2. for the polymerization of vinyl chloride: this product is suitable for the temperature of 50-70 ℃ vinyl chloride suspension polymerization process.

  3. This product can be used as the initiator of county floating polymerization of acrylate and methacrylate. It can also be used for solution and non-aqueous dispersion polymerization of acrylate esters to make coatings.

  4. This product is also an important initiator for ethylene vinyl acetate (EVA).

  5. medium temperature curing agent for unsaturated polyester, curing temperature of 80-100 ℃, suitable for hot press molding method process.

  Packaging and transportation:

  The standard packaging of our factory is 20kg polyethylene package.

  Storage precautions:

  1. stored in a cool, ventilated space, warehouse temperature does not exceed -10 ℃.

  2. Keep away from fire and heat source. It should be stored separately from acids, reducing agents, flammable materials, combustible materials, reducing agents, etc. 3.

  3. The lighting and ventilation facilities in the storage room should be explosion-proof and the switch should be located outdoors.

  4. The handling should be careful and light, to prevent damage to the packaging and containers, to prohibit impact and oscillation, and to pay attention to personal protection in the distribution and handling operations.

  5. Please read the MSDS carefully when storing, transporting and using this product.

  Product expiration date:

  In strict accordance with the manufacturer's instructions for storage and transportation. The product quality can be guaranteed within three months.

  Fire protection:

  1, the product may be violently decomposed due to heat, will be violent fire, a small amount of product fire should be quickly extinguished with foam or dry powder fire extinguisher.

  2, large fire should be quickly withdrawn to a safe distance away from the water gun to put out, and notify the fire department to deal with.

  Contact information:

  Sales telephone: 0533--7837228

  Enterprise emergency telephone: 0533 ----7829889

  Sales fax: 0533 ----7837228

  Sales E-mail:

A high-tech enterprise specializing in the production of organic peroxides, it is mainly used as initiators and cross-linking agents in polymer polymerization reactions, such as polyethylene, polyvinyl chloride, rubber and other industries.

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