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6747 Campobello Rd., Mississauga, Ontario, L5N 2L7, Canada <br /> IC YN E N E Tel: 905.363.4040 Toll Free: 800.758.7325 Fax: 905.363.0102 <br /> MATERIAL SAFETY DATA SHEET <br /> Product Name: Base Seal® (Component `A', Isocyanate) <br /> MSDS A-004 <br /> Section 1: Chemical, Product and Company Information <br /> Product Name: Base Seal@(Component 'A', Isocyanate) <br /> Base Seal®is a registered trademark of Icynene Inc. <br /> Product Use: SPRAY-ON AND POUR-IN CnMPnNFNT ^A" Pnl WAPPIr. MDI. A <br /> component of The Icynene Insulation System® (Spray and Pour Foam <br /> Insulation) <br /> Product Code: COMPONENT "A" <br /> Revision Date: Feb. 23/2007 <br /> Section 2: Composition and Ingredient Information <br /> Ingredient CAS No. Wt.00 <br /> Polymethylene polyphenyl isocyanate CAS#009016-87-9 100% <br /> Containing 4,4'Methylene bisphenyl isocyanate CAS#000101-68-8 (Approximately 40-50% MDI) <br /> Note: See Section 8 for exposure limits. <br /> Section 3: Hazards Identification <br /> This material is classified as hazardous under OSHA Hazard Communication Standard (29 CFR <br /> 1910.1200) <br /> Physical State and Liquid. <br /> Appearance: <br /> Colour: Brown. <br /> Emergency Overview: Reacts slowly with water to produce carbon dioxide which may rupture <br /> closed containers. This reaction accelerates at higher temperatures. <br /> Inhalation at levels above the occupational exposure limit could cause <br /> respiratory sensitization and risk of serious damage to respiratory <br /> system. The onset of the respiratory symptoms may be delayed for <br /> several hours after exposure. A hyper-reactive response to even <br /> minimal concentrations of diisocyanates may develop in sensitized <br /> persons. <br /> Potential Acute Health <br /> Effects: <br /> Eyes: Hazardous in case of eye contact (irritant). <br /> Skin: Hazardous in case of skin contact(irritant, sensitizer). Skin <br /> inflammation is characterized by itching, scaling or reddening. <br /> Page 1 of 9 (A) <br />