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DODECANOYL PEROXIDEICSC: 0264
Lauroyl peroxide
Peroxide, didodecanoyl
bis(1-Oxododecyl)peroxide
March 1999
CAS #: 105-74-8
UN #: 3106
EC Number: 203-326-3

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Flammable.  Risk of fire and explosion on contact with combustible substances or reducing agents. Risk of fire and explosion on warming.  NO open flames, NO sparks and NO smoking.  Prevent warming above 25°C.  Use water in large amounts, water spray.  In case of fire: keep drums, etc., cool by spraying with water. Combat fire from a sheltered position. 

 PREVENT DISPERSION OF DUST!  
  SYMPTOMS PREVENTION FIRST AID
Inhalation Cough. Sore throat.  Use local exhaust or breathing protection.  Fresh air, rest. 
Skin Redness. Pain.  Protective gloves.  Remove contaminated clothes. Rinse and then wash skin with water and soap. 
Eyes Redness. Pain.  Wear safety goggles or face shield.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion   Do not eat, drink, or smoke during work.  Rinse mouth. Give one or two glasses of water to drink. Refer for medical attention . 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Evacuate danger area! Consult an expert! Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Remove all ignition sources. Do NOT absorb in saw-dust or other combustible absorbents. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations. 

According to UN GHS Criteria

 

Transportation
UN Classification
UN Hazard Class: 5.2 

STORAGE
Fireproof. Separated from combustible substances and reducing agents. Cool. 
PACKAGING
 
DODECANOYL PEROXIDE ICSC: 0264
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
WHITE POWDER OR SOLID IN VARIOUS FORMS. 

Physical dangers
 

Chemical dangers
Heating may cause violent combustion or explosion. The substance is a strong oxidant. It reacts with combustible and reducing materials. This generates fire and explosion hazard. 

Formula: (C11H23CO)2O2
Molecular mass: 398.7
Melting point: 49-57°C
Density: 0.9 g/cm³
Solubility in water: none
Auto-ignition temperature: 112°C  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation of its aerosol. 

Effects of short-term exposure
The aerosol is irritating to the eyes, skin and respiratory tract. 

Inhalation risk
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly. 

Effects of long-term or repeated exposure
 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
 

NOTES
Other UN number for water solution (<42%): 3109. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: O; R: 7; S: (2)-3/7-14-36-37/39 

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       Toxicological Abbreviations