tert.Amylperoxy-2-ethylhexanoate TAPEH 686-31-7

Pentyl peroxy-2-ethylhexanoate

Trade name: primer TAPEH

English name: tert.Amylperoxy-2-ethylhexanoate

Chemical name: tert.Amylperoxy-2-ethylhexanoate

Chemical structural formula:

Molecular formula: C13H26O3

Molecular weight: 230.3

Theoretical active oxygen content: 6.95%

CAS: 686-31-7

UN No. 3115

Level: 5.2

Liquid organic peroxide, type D, 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 is below -230 C. Viscosity (-10 ℃): 2.1mPa.s . This product can be used in isododecane or

Olfactory mineral oil (OMS) and other solvents.

Main decomposition products: tert-amyl alcohol, methane, ethane, 2-ethylhexanoic acid, n-heptane, acetone, methyl ethyl ketone, CO2, etc.

Security indicators:


0.1 hours: 111°C

1 hour: 91°C

10 hours: 73°C

Thermal stability data:

Self-accelerated decomposition temperature (SADT): 35°C

Critical temperature (Tem): 25°C

Control temperature (Tc): 20°C

Storage temperature (Tsmax): -20/10 °C

Activation energy E (KJ/mol): 132.11

Technical standards:

Appearance: colorless transparent liquid

Color: 20 APHA

Content: 96% min 

TAHP: 0.2% max

Inorganic and organic hydrolyzable chlorides: 100mg/kg max


1、This product is a polymerization initiator of acrylates and methacrylates, and can be applied to a variety of polymerization processes.

2、This product can be used in the polymerization initiation of styrene and acrylonitrile, and is also an important initiator of vinyl acetate (EVA) copolymer.

3, for the unsaturated polyester high temperature curing agent, curing temperature of 120-160 0C, preferred for UP in the hot compression molding method curing process.

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 a temperature not exceeding 100C.

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.

We offer our products for sale in mainland China (in compliance withRegulations on the Administration of Internet Sales of Hazardous Chemicals ) and some of the products of the global export services, providing dangerous goods packaging containers, "outbound dangerous goods transportation packaging use identification results list", "outbound cargo inspection and quarantine" and other 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.

United Initiators NOROX®411 tert.Amylperoxy-2-ethylhexanoate 686-31-7

Product Description: NOROX ® 411 is a colorless liquid composed mainly of technically pure tert-amyl peroxy-2-ethylhexanoate. It is a branched aliphatic peroxy ester used as a free radical initiator for hardening of unsaturated polyester resins at 70 - 150°C, possibly in combination with cobalt accelerators. Technical Data: Appearance: colorless liquid Technical data: Appearance: colorless liquid Content: approx. 981 TP6T Active Oxygen (AO): approx. 6.811 TP6T Density: approx. 0.9 g/cm³ Viscosity at 20°C: approx. 4.3 mPa-s Refractive index at 20°C: approx. 1.

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