MATERIAL SAFETY DATA SHEET

Trade Name: B.P.O. CATALYST

Chemical Family: Organic Peroxide
Formula: C14 H10 O4

Manufacturer: PENWALT Supplier:
1740 Military Road
Buffalo, New York 14240
Emergency Ph. #'s: (716) 877-1740

Transportation EMG. Phone # CANUTEC (613) 996-6(604) 930-0

Supplier: Industrial Plastics (1975) Ltd
3944 Quadra St
Victoria, BC V8X 1J6
250.727.3545

HAZARDOUS INGREDIENTS:
Benzoyl Peroxide: 30-60% CAS: 94-36-0
Butylbenzyl Phthalate: 15-40% CAS: 85-68-7
Exposure Limits: LD 50 = 180 mg/kg (pure BPO) LC 50 = Not a highly toxic substance at 24.3 mg/l - 4 hours

PHYSICAL DATA:
Appearance & Odour: white paste, faint odour
Odour Threshold: N/A
Vapour Pressure: N/A
Vapour Density: N/A
Solubility in Water: Slight
Specific Gravity: 1.19

FIRE & EXPLOSION DATA:
Flashpoint & Method: N/A
Flammable Limits: N/A
Extinguishing Methods: Water, water fog, foam, carbon dioxide
Special Equipment & Procedures: Self contained breathing apparatus & complete protective clothing. Cool surrounding material with water. Contamination, temperature can cause explosion if confined during fire.

REACTIVITY DATA:
Conditions Contributing to Instability: Heat, flames, sparks and any ignition source.
Incompatible Substances : Metallic contamination, amines, organic metal salts, acids, alkalies & promoters or promoted resins.
Hazardous Decomposition Products; Carbon Monoxide, Carbon Dioxide
Hazardous Polymerization: Will occur.

HEALTH HAZARDS DATA:
NOTE: Health studies have shown that exposure to chemicals pose potential risks which may vary from person to person. Exposure to liquids, vapours, mists or fumes should be minimized.


PRINCIPAL HEALTH HAZARDS:
Skin Contact: Will cause high irritation or chemical burn.
Eye Contact: Will cause blindness.
Ingestion: Harmful or fatal if swallowed.
Inhalation: Highly irritating to respiratory system, headaches, dizziness.


FIRST AID PROCEDURES:
Skin: Avoid direct contact with this chemical, wash with soap & water, seek medical attention if rash persists.
Eyes: Flush with warm water for 20 minutes. Obtain medical attention immediately!!!!!!
Ingestion: DO NOT INDUCE VOMITING. Have victim drink 8-10 oz of water to dilute material in stomach. Seek medical attention.
Inhalation: Remove victim to fresh air if ill effects develop. If effects persist, administer oxygen, apply A/R if necessary and seek medical attention immediately.

PREVENTIVE MEASURES:
Skin: Always apply appropriate barrier cream to exposed skin. Wear impervious gloves (butyl rubber), coveralls
and safety footwear.
Eyes: Chemical proof goggles or full face respirator if vapours cause eye irritation. THIS PRODUCT WILL CAUSE BLINDNESS.
Ingestion: Wash thoroughly before consuming food stuffs.
Inhalation: Use only in well ventilated areas or use NIOSH approved respiratory protection with organic vapour cartridges.

CONTROL MEASURES & PRECAUTIONS
Keep container tightly closed. Do not consume food, drink or tobacco in work area or material storage areas. Use caution and
personal cleanliness to avoid skin and eye contact. Avoid breathing vapours of heated materials. Use paper covering absorbent wipes and suitable disposable containers in work area.

SPILL, LEAK & DISPOSAL METHODS
Review fire and explosion hazards and safety precautions before proceeding with cleanup. Restrict access to area.
Contain spill to prevent liquid from entering sewers or waterways. Recover free liquid and use an absorbent material (i.e.
sand, vermiculite) to soak up balance. Place in suitable container for disposal.

DISPOSAL METHOD
Dispose only in a facility permitted to dispose of hazardous waste by Federal, Provincial and Municipal regulations.

SHIPPING INFORMATION
Shipping Name: ORGANIC PEROXIDE TYPE E SOLID
Hazard Class: 5.2 II
UN/PIN #: 3108
Flashpoint: N/A
WHMIS Classification: C, D2B

The information contained herein is based on data that we believe to be accurate. No warranty either expressed or implied is made. This information is offered solely for your consideration, interpretation and information.

Preparation Date: January 22, 1993
Prepared by: Ron Sherring, Industrial Plastics ((175) Ltd
Telephone #: (250) 727-9223
Revised Date: July 1,11

N/A = Not Available