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MATERIAL SAFETY DATA SHEET
1. Product and Company Identification
Product Number Product Name Use Effective Date Manufacturer/Packaging 700, 701 & 702 Mega Duster Refrigerant; aerosol propellant March 6, 2009 DISTRIBUTORS CHOICE CHEMICALS 6112790 Canada Inc. Suite 333 - 6021 Yonge Street Toronto, Ontario M2M 3W2 Tel. (416) 703-8446 Fax. (416) 222-7511 1 (613) 996-6666 (24 hour emergency phone)Emergency Contact

2. Composition / Information on Ingredients
CAS# 75-37-6 Chemical Name 1,1-Difluoroethane Percentage by Weight 60 - 100 ACGIH TWA 1000 ppm Osha Pel n/a Osha Stel n/a

3. Hazards Identification
EMERGENCY OVERVIEW Keep from reach of children. Do not puncture, incinerate, or place aerosol product containers in compactors. Containers of this material may be hazardous whenemptied since containers retain product residues (vapour, liquid, and/or solid). All hazard precautions given must be observed. Do not flame cut, braze, or use welding torch. Intentional misuse by deliberately concentrating and inhaling this product may be harmful or fatal. May cause irritation, redness, tearing, blurred vision. Contact with liquid from this product may cause frostbite. Prolonged orrepeated contact can cause moderate irritation defatting, dermatitis. Excessive inhalation of vapours can cause nasal and respiratory irritation, dizziness, weakness, fatigue, nausea, headache, possible unconsciousness and even asphyxiation. Possible cardiac arrhythmias at high concentrations. This is not an anticipated route of entry. No information. Skin contact, inhalation, eye contactEFFECTS OF OVEREXPOSURE Eye Skin Inhalation

Ingestion Chronic Primary Routes of Entry

4. First Aid Measures
FIRST AID PROCEDURES Eye Contact Skin Contact Inhalation Immediately flush eyes with large amounts of water, lifting upper and lower eye lids occasionally. Obtain medical attention immediately. Flush thoroughly with water to warm skin. Treat for frostbite if necessary. Move victim tofresh air. If breathing is difficult, administer oxygen. Give artificial respiration only if breathing has stopped. Keep person warm and quiet. Obtain medical attention immediately. This is not an anticipated route of entry.

Ingestion

Material name: Mega Duster Material ID: 700, 701, 702 Revision date: March 6, 2009

MSDS 1/4

5. Fire Fighting Measures
Auto Ignition TemperatureExtinguishing Media Flashpoint Explosive Limit (lower) Explosive Limit (upper) Fire and Explosive Hazards N.D. (Pensky-Martens C.C.) CO2, Dry chemical, Waterfog -50°C (-58°F) 3.9% 16.9% Vapours are heavier than air and travel along the ground or may be moved by ventilation and ignited by ignition sources at locations distant from material handling point. For aerosol products: exposure to temperatures over54°C (130°F) may cause containers to burst, releasing highly flammable gas. Wear self-contained breathing apparatus with a full facepiece operated in pressuredemand or other positive pressure mode when fighting fires. Keep fire exposed containers cool with waterfog.

Fire Fighting Procedures

6. Accidental Release Measures
Spills, Leaks or Releases Eliminate sources of ignition and ventilatearea. Persons not properly equipped should be excluded from area. Stop spill at source if possible. Avoid inhalation of vapours. Avoid contact with liquid. This product consists of materials which are gases at room temperature. In the event of an accidental release, the contents of this product will evaporate. If unemptied aerosols are to be disposed of, do so in accordance with all local, provincialand federal regulations.

7. Handling and Storage
Handling Storage No information. Ideal storage temperature is 10-27°C (50-80°F). Do not expose sealed containers to temperatures above 54°C (130°F). Do not store in direct sunlight.

8. Exposure Controls / Personal Protection
Preventative Measures Recommendations listed in this section indicate the type of equipment which will provide...