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Carcinogen Reference Applies Above: NA

Section 4 Physical Data:
Initial Boiling Point: NA
Melting/Freezing Point: NA
Pour Point: NA
Molecular Weight: NA
Specific Gravity (H2O=1): NE
Vapor Pressure mmHg: NA
Vapor Density (Air=1): ND
Solubility in Water: Insoluble (% by weight)
% Volatiles by Weight: NA
Evaporation Rate: ND (Butyl Acetate = 1)
Appearance and Odor: Thick, white paste with a slight odor

Section 5 Fire and Explosion Hazard Data:
Flash Point (test method): NA
Flammable Limits in Air: NA
Autoignition Temperature: NA
DOT Emergency Guide No.: 48
Extinguishing Media: Water fog or spray, CO2 Dry Chemical, Foam.
Special Fire Fighting Procedures: Evacuate area and apply water from a safe distance. Spray water on the nearby peroxide containers to prevent overheating.
Unusual Fire and Explosion Hazards: Peroxides and decomposition products are flammable and can ignite with explosive force if confined.

Section 7 Spill or Leak Procedures:
Steps to be taken if material is released or spilled:
Avoid skin contact. Flush with water. Sweep or scoop out and remove.
Wet with water and remove with non-sparking tools.
Waste Disposal: Consult Federal, State and Local authorities for proper disposal procedures.
Under RCRA this product is classified as: Reactive
Under CERCLA (Superfund): Reportable Quantity: RQ = 1000 pounds
Thoroughly rinse empty containers. Based on Dibutylphthalate.

Section 8 Toxicity:
Acute:
Dermal (skin): LD₅₀: >8000 mg/kg (rabbits 50% peroxide in Dibutyl Phthalate). Not a toxic substance by dermal route.
Eye: Draize Score-Unknown. "Not an eye irritant" (based on rabbit tests with 50% peroxide in Dibutyl Phthalate).
Inhalation: LC₅₀: ND
Oral: LD₅₀: >12,918 mg/kg (rats 50% peroxide in Dibutyl Phthalate). Not a toxic substance by oral route.
Other: NA.

Section 9 Health Hazard Information:
Effects of Overexposure:
Dermal: Prolonged skin contact may cause skin irritation and redness.
Eye: Contact may cause eye irritation and/or damage.
Inhalation: May cause irritation of the nose, throat, and lungs.
Ingestion: May cause toxic effects.
Emergency First Aid:
Dermal: Remove contaminated clothing immediately. Wash affected skin thoroughly with soap and water. Seek medical attention if indicated. Launder clothing before reuse.
Eye Contact: Immediately flush with water for at least 15 minutes.
Contact lenses should be removed if the initial flush doesn't wash them out. Get medical attention.
Inhalation: Remove to fresh air. If not breathing, give artificial respiration. Give oxygen if needed. Get medical attention.
Ingestion: (Never give anything by mouth to an unconscious person):
Do not induce vomiting. Give plenty of water. Get medical attention. Get medical aid immediately. Contact local poison control center. Rinse mouth.

Section 9 Special Protection Information:
Hands: Neoprene, nitrile rubber, polyvinyl alcohol gloves.
Eyes: Eye protection must be worn.
Ventilation: Sufficient to prevent accumulation of vapors or particulates.
Respirator Type: For reducing contaminant concentration in inhaled air: Filter - dust, fume, mist.
Other: Safety shower and/or eye wash should be available. Chemical-resistant apron or coveralls may be needed.

Section 10 Special Precautions:
Do not store near combustibles.
Wash thoroughly after handling.
Do not get in eyes, on skin or clothing.
Do not breathe dust, vapor, mist, gas.
Keep container closed.
Empty container may contain hazardous residues.
Keep away from heat, sparks and open flames.
Use explosion proof equipment.
Keep away from all sources of heat and ignition such as radiators, steam pipes and direct sunlight.

Section 11 Other Information:
For more safety data, see NFPA Bulletin 43B "Storage of Organic Peroxide Formulations".
Store in original containers. Select storage areas in accordance with local laws and regulations.

Note:
NA = Not Applicable
< = Less Than
~ = Approximately
ND = Not Determined
> = Greater Than