Dicumyl peroxide DCP 80-43-3

diisopropylbenzene peroxide

English name: Dicumyl peroxide

Chemical name: Dicumyl peroxide

Structural formula:
Molecular formula: C18H2202

Molecular weight: 270.4

Theoretical active oxygen content: 5.92%

CAS: 80-43-3

Einecs: 201-279-3

Main decomposition products: acetophenone, methane, 2-phenylisopropanol.

Security indicators:

Half-life (measured in chlorobenzene solution):

0.1 hours: 153°C

1 hour: 132°C

10 hours: 112°C

Thermal stability data:

Self-accelerated decomposition temperature (SADT): 75°C

Critical temperature (Tem): 70°C

Control temperature (Tc): -

Storage temperature (Tsmax): -/15 °C

Technical standards:

Appearance: White crystalline solid

Purity: 99%       

Melting point: 39-40°C   

Packaging:

The standard package is a corrugated carton with a net weight of 20 kilograms and four 5-kilogram plastic bags inside. Small packages can also be packed according to the user's specifications.

DCP is a solid organic peroxide of Class F, Goods Classification: 5.2, UN No. 3110, Packing Group II, Dangerous Goods....

Safety Precautions:

(1) Keep away from fire, open flames and heat sources.

(2) Avoid exposure to reducing agents (e.g., amines), acids, alkalis, and heavy metal compounds (e.g., accelerants, metal soaps, etc.)

(3) Refer to the Safety Data Sheet (MSDS) for this product.

Uses:

1. Styrene polymerization initiator

DCP is a commonly used initiator for the polymerization of styrene, and it is also used as a flame retardant additive in the production of flame retardant polystyrene.

2. Rubber cross-linking agents

DCP is one of the most important rubber cross-linking agents. 

Storage conditions:

Keep the package closed and in a well-ventilated state, the maximum storage temperature of 30 ℃, to avoid and reducing agents such as amines, acids, alkalis, heavy metal compounds (accelerators and metal soaps), is strictly prohibited in the warehouse

Room dispensing and pickup.

Storage stability:

Stored in accordance with the conditions prompted by the manufacturer, the product can be guaranteed to meet factory technical standards within three months.

Fire Fighting:

Small fires need to be extinguished with dry powder or carbon dioxide extinguishers and sprayed with large amounts of water to prevent re-ignition. Large fires need to be sprayed with large quantities of water from a safe distance away.