Dipropionyl peroxide(in solution,content≤27%) Property

Melting point:

200 °C

Boiling point:

185.74°C (rough estimate)

Density 

1.0945 (rough estimate)

refractive index 

1.4310 (estimate)

EPA Substance Registry System

Peroxide, bis(1-oxopropyl) (3248-28-0)

Safety

RIDADR 

3117

HazardClass 

5.2

PackingGroup 

II

Hazard and Precautionary Statements (GHS)

Dipropionyl peroxide(in solution,content≤27%) Chemical Properties,Usage,Production

Uses

Initiator in polymerization reactions, such as the high-pressure polymerization of ethylene.

Definition

Avail- able as a 25% solution in a high-boiling hydrocar- bon, flash p 125F (51.6C).

General Description

Available only as a 25% solution. Pure material poses a severe explosion hazard. Used as an initiator in polymerization reactions.

Air & Water Reactions

Highly flammable. May ignite spontaneously if exposed to air.

Reactivity Profile

Dipropionyl peroxide(in solution,content≤27%) is a good oxidizing agent. May cause ignition of organic compounds on contact . Reacts violently with strongly reduced material such as sulfides, nitrides, and hydrides. Many produce explosions or generate gases (toxic and nontoxic). Generally, dilute solutions (<70%) are safe, but the presence of a catalyst (often a transition metal such as cobalt, iron, manganese, nickel, or vanadium) as an impurity may even then cause rapid decomposition, a buildup of heat, and even an explosion. May become explosive when evaporated to dryness or near-dryness. May explode from heat, contamination or loss of temperature control.

Hazard

Strong oxidizing agent, may explode if shocked or heated.

Safety Profile

material explodes at room temperature. When heated to decomposition it emits acrid smoke and fumes. See also PEROXIDES.