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MATERIAL SAFETY DATA SHEET

DEQUEST 2010

Section 01 - Chemical And Product And Company Information

Product Identifier ........................... DEQUEST 2010 Product Use ................................... Cleaning/washing agents and disinfectants, complexing agents, corrosion inhibitors, cosmetics, pharmaceuticals, scale inhibition Supplier Name................................ ClearTech Industries Inc. 2302 Hanselman Avenue Saskatoon, SK. Canada S7L 5Z3 Prepared By...................................... ClearTech Industries Inc. Technical Department Phone: (306)664-2522 Preparation Date............................... June 1, 2010 24-Hour Emergency Phone............... 306-664-2522

Section 02 - Composition / Information on Ingredients

Hazardous Ingredients.................... 1-hydroxy ethylidene-1,1-diphosphonic acid 58-62% phosphonic acid </=4% CAS Number.....................................1-hydroxy ethylidene-1,1-diphosphonic acid 2809-21-4 phosphonic acid 13598-36-2 Synonym (s).....................................Not available

Section 03 - Hazard Identification

Inhalation....................................... May cause respiratory tract irritation if inhaled.

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Skin Contact / Absorption............. May be highly irritating to skin.

Eye Contact.................................... May cause burns and irritation to eyes, which may result in premanent injury. Ingestion........................................ May be harmful if swallowed in large amounts. Exposure Limits........................... No specific occupational exposure limit has been established.

Section 04 - First Aid Measures

Inhalation........................................ Immediate first aid is not likely to be required. If symptoms occur, remove victim to fresh air. Seek medical attention. Skin Contact / Absorption.............. Remove contaminated clothing. Wash affected area with plenty of water. Seek medical attention if irritation occurs or persists. Eye Contact..................................... Flush immediately with water for at least 20 minutes. Forcibly hold eyelids apart to ensure complete irrigation of eye tissue. Seek immediate medical attention. Ingestion......................................... Immediate first aid is not likely to be required if small amounts are ingested. If larger amounts are ingested, do not induce vomitting. If conscious and alert, rinse mouth and drink 2-4 cups of water. Seek medical attention. Additional Information.................... Not available

Section 05 - Fire Fighting

Conditions of Flammability............. Non flammable aqueous solution. Means of Extinction......................... Water spray, foam, dry chemical, or carbon dioxide. Flash Point.................................... Not applicable Auto-ignition Temperature............. Not applicable Upper Flammable Limit ................. Not applicable

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Lower Flammable Limit................... Not applicable Hazardous Combustible Products... Decomposes in a fire giving off irritant fumes. Combustion products may include carbon monoxide, carbon dioxide, phosphines Special Fire Fighting Procedures..... Wear NIOSH-approved self-contained breathing apparatus and protective clothing. Equipment should be thoroughly decontaminated after use. Explosion Hazards......................... Decomposes in a fire giving off irritant fumes.

Section 06 - Accidental Release Measures

Leak / Spill...................................... Wear appropriate personal protective equipment. Ventilate area. Stop or reduce leak if safe to do so. Flush spill area with water. Absorb remaining material or small spills with an inert material and then place in a chemical waste container. Prevent material from entering sewers. Deactivating Materials................... Neutralize washings with soda ash or lime.

Section 07 - Handling and Storage

Handling Procedures...................... Use proper equipment for lifting and transporting all containers. Use sensible industrial hygiene and housekeeping practices. Emptied containers retain vapour and product residue. Observe all recommended safety precautions until container is cleaned, reconditioned or destroyed. Wash thoroughly after handling. Avoid all situations that could lead to harmful exposure. Storage Requirements.................... Freeze sensitive. Keep in a cool, dry, well ventilated place. Stable under normal conditions of handling and storage. Suitable materials of construction include glass lining, PVC, polypropylene, glass reinforced plastic, polyethylene

Section 08 - Personal Protection and Exposure Controls

Protective Equipment

Eyes............................................ Chemical goggles, full-face shield, or a full-face respirator is to be worn at all times when product is handled. Contact lenses should not be worn; they may contribute to severe eye injury.

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Respiratory.................................. Avoid breathing vapour or mist. Use approved respiratory protection equipment when airborne exposure is excessive. If used, full facepiece replaces the need for face shield and/or chemical goggles. Consult the respirator manufacturer to determine the appropriate type of equipment for a given application. Observe respirator use limitations specified by the manufacturer. Gloves......................................... Impervious gloves of chemically resistant material (rubber or PVC) should be worn at all times. Wash contaminated clothing and dry thoroughly before reuse. Clothing....................................... Body suits, aprons, and/or coveralls of chemical resistant material should be worn. Wash contaminated clothing and dry thoroughly before reuse. Footwear...................................... Impervious boots of chemically resistant material should be worn.

Engineering Controls

Ventilation Requirements............... Mechanical ventilation (dilution or local exhaust), process or personnel enclosure and control of process conditions should be provided. Supply sufficient replacement air to make up for air removed by exhaust systems. Other........................................... Keep an eye wash fountain and safety shower available and in close proximity to work area.

Section 09 - Physical and Chemical Properties

Physical State................................. Liquid Odor and Appearance.................... Characteristic, water white to pale yellow Odor Threshold............................... Not available Specific Gravity (Water=1).............. 1.45 at 20oC Vapor Pressure (mm Hg, 20C)......... Not available Vapor Density (Air=1)..................... Not available Evaporation Rate............................ Not available Boiling Point.................................... Not available Freeze/Melting Point....................... -25oC pH.................................................... <2.0 (10 g/L at 25oC)

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Water/Oil Distribution Coefficient.... Not available Bulk Density.................................... 12.1 lbs/gal % Volatiles by Volume.................... Not available Solubility in Water.......................... Completely miscible Molecular Formula.......................... C2H8O7P2 Molecular Weight............................ 206

Section 10 - Stability and Reactivity

Stability................................................. Do not expose to extreme temperatures. Incompatibility....................................... Aluminum, carbon steel, mild steel, strong oxidizing agents and strong bases. Hazardous Products of Decomposition.. Carbon monoxide, carbon dioxide, phosphorus oxides, phosphines Polymerization...................................... Hazardous polymerization does not occur.

Section 11 - Toxicological Information

Irritancy.......................................... Highly irritating to eyes, slightly irritating on skin. Sensitization................................... Not available Chronic/Acute Effects.................... Minor effects (less than lesions) were present in some animals at the end of the observation period. Synergistic Materials...................... Not available Animal Toxicity Data....................... LD50(rat, oral): 2,400mg/kg LD50(rabbit, dermal): 7,940mg/kg Carcinogenicity............................... Not available Reproductive Toxicity.................... This material had no effect on reproduction or fertility. Teratogenicity................................. Not available

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Mutagenicity................................... No genetic effects were observed in standard tests using bacterial and animal cells.

Section 12 - Ecological Information

Fish Toxicity.................................... LC50(96 h, Rainbow trout): 368mg/L LC50(96 h, Bluegill sunfish): 868mg/L EC50(48 h, Water flea): 527mg/L Biodegradability.............................. Zahn-Wellens Dissolved Organic Carbon removed 33 % 28 d Modified OECD Screening theoretical CO2 evolution 2 % 70 d Modified SCAS Dissolved Organic Carbon removed 90 % Closed Bottle BOD30/COD 5 % Degrades after acclimatization Environmental Effects................... Not expected to bioaccumulate

Section 13 - Disposal Consideration

Waste Disposal................................Dispose in accordance with all federal, provincial, and/or local regulations including the Canadian Environmental Protection Act.

Section 14 - Transportation Information

TDG Classification Class............................................ 8 Group.............................................. III PIN Number...................................... UN 3265 Other............................................ Secure containers (full and/or empty) with suitable hold down devises during shipment.

Section 15 - Regulatory Information

WHMIS Classification.......................D2, E NOTE: THE PRODUCT LISTED ON THIS MSDS HAS BEEN CLASSIFIED IN ACCORDANCE WITH THE HAZARD CRITERIA OF THE CANADIAN CONTROLLED PRODUCTS REGULATIONS. THIS MSDS CONTAINS ALL INFORMATION REQUIRED BY THOSE REGULATIONS.

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Section 16 - Other Information Note: The responsibility to provide a safe workplace remains with the user. The user should consider the health hazards and safety information contained herein as a guide and should take those precautions required in an individual operation to instruct employees and develop work practice procedures for a safe work environment. The information contained herein is, to the best of our knowledge and belief, accurate. However, since the conditions of handling and use are beyond our control, we make no guarantee of results, and assume no liability for damages incurred by the use of this material. It is the responsibility of the user to comply with all applicable laws and regulations. Attention: Receiver of the chemical goods / MSDS coordinator As part of our commitment to the Canadian Association of Chemical Distributors (CACD) Responsible Distribution® initiative, ClearTech Industries Inc. and its associated companies require, as a condition of sale, that you forward the attached Material Safety Data Sheet(s) to all affected employees, customers, and end-users. ClearTech will send any available supplementary handling, health, and safety information to you at your request. If you have any questions or concerns please call our customer service or technical service department.

ClearTech Industries Inc. - Locations

Corporate Head Office: 2302 Hanselman Avenue, Saskatoon, SK, S7L 5Z3 Phone: 306-664-2522 Fax: 306-665-6216 www.ClearTech.ca Location Richmond, B.C. Calgary, AB. Edmonton, AB. Saskatoon, SK. Regina, SK. Winnipeg, MB. Mississauga, ON. Address 12431 Horseshoe Way 5516E - 40th St. S.E. 11750 - 180th Street 2302 Hanselman Avenue 555 Henderson Drive 340 Saulteaux Crescent 7480 Bath Road Postal Code V7A 4X6 T2C 2A1 T5S 1N7 S7L 5Z3 S42 5X2 R3J 3T2 L4T 1L2 Phone Number 604-272-4000 403-279-1096 780-452-6000 306-933-0177 306-721-7737 204-987-9777 905-612-0566 Fax Number 604-272-4596 403-236-0989 780-452-4600 306-933-3282 306-721-8611 204-987-9770 905-612-0575

24 Hour Emergency Number - All Locations - 306-664-2522

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