tert-Butyl peroxypivalate TBPV 927-07-1

tert-Butyl peroxypivalate

Trade name: initiator TBPV

English Name: tert-Butyl peroxypivalate

Chemical name: tert-butyl peroxypivalate

Chemical structural formula:

Molecular formula: C9H18O3

Molecular weight: 174.2

Theoretical active oxygen content: 9.18%

CAS : 927-07-1

UN No. 3113

Einecs : 213-147-2

Level: 5.2

Liquid organic peroxide, type C, temperature-controlled transportation. Transportation by rail and air is prohibited.

Properties: This product is a colorless transparent oily liquid, insoluble in water, soluble in most organic solvents, freezing point below -170 C. Viscosity (-10 ℃): 2.1mPa.s . This product can be used in isododecane or no

The solvents, such as olfactory mineral oil (OMS), are blended.

Main decomposition products: tert-butanol, isobutyl ketone, isobutane, CO2, etc.

Security indicators:


0.1 hours: 94°C

1 hour: 75°C

10 hours: 57°C

Thermal stability data:

Self-accelerated decomposition temperature (SADT): 20°C

Critical Temperature (Tem): 10°C

Control temperature (Tc): 0°C

Storage temperature (Tsmax): -17/-5 °C

Activation energy E (KJ/mol): 123.59

Technical standards:

Appearance: colorless transparent liquid

Color: 20 APHA

Content: 75.01% min 

TBHP: 1000mg/kg max

Inorganic and organic hydrolyzable chlorides: 150mg/kg max


1. This product is an efficient initiator for ethylene high pressure tube or kettle polymerization.

2. For the polymerization of vinyl chloride: this product is suitable for vinyl chloride suspension polymerization process at a temperature of 50-700C.

3.This product can be used as suspension polymerization initiator for acrylates and methacrylates. It can also be used in solution and non-aqueous dispersion polymerization of acrylates to make coatings.

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

5. Medium temperature curing agent for unsaturated polyester, curing temperature is 80-100 0C, suitable for hot compression molding process.

6. The product is added to the oil, which will greatly improve the quality of the oil.

Packaging and Transportation:

The standard packing of our factory is 20kg polyethylene packing. It can also be supplied according to customer's required packing size, which can be requested by the customer at the time of ordering.

Storage Precautions.

1. Store in a cool and ventilated space, with the warehouse temperature not exceeding -150C.

2. Keep away from fire and heat source. It should be stored separately from acids, reducing agents, flammables, combustibles and reducing agents.

3. The lighting and ventilation of the storage room and other facilities are of explosion-proof type, and the switch is located outdoors.

4. When handling, it should be put down carefully and gently to prevent the damage of package and container, prohibit impact and oscillation, and pay attention to personal protection in the packing and handling operation.

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

Product expiration date:

In strict accordance with the manufacturer's prompt conditions of storage, transportation. The quality of the product can be guaranteed within three months.

Fire protection:

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

2, the fire should be quickly withdrawn to a safe distance away and use the water gun park rescue, notify the fire department to deal with.



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NOTE: Because we cannot predict and control the circumstances and conditions under which these materials and products will be used, we cannot accept responsibility for any damage, injury, or loss of any kind that may result from the use of these materials.

    If you want to know more detailed information, please contact with the director of our factory, he will arrange our experts to talk with you.

We offer products for sale in China (in compliance withRegulations on the Administration of Internet Sales of Hazardous Chemicals) and some of the products of the global export services, can provide including hazardous chemicals packaging, "outbound cargo packaging performance inspection certificate", "commodity inspection list" and other related export procedures.
We have experience in exporting hazardous chemicals, including Class 5.2 Dangerous Goods with Cold Chain Transportation Products, Class 3 Dangerous Goods and Class 9 Dangerous Goods, etc., and have exported to the United States of America, Russia, Turkey, India, Ukraine and other countries.

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