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Trade Name: SulfurTrioxide' M99996. <br /> Registration No:; None <br /> SECTIONO•Y INFORMATION <br /> Carcinogenicity: by IARC?: Yes (} No (X). by NTP 7:.Yes O No (X) <br /> IARC evaluates occupational exposures to strong,inorganic-acid mists containing Sulfuric Add in"Group 1,"as having carcinogenic potential. However, <br /> SULFUR TRIOXIDE ITSELF WAS NOT CLASSIFIED AS A GROUP I CARCINOGEN. <br /> This material reacts with water to form sulfuric add,CAS No.7664.93-9,which Is subject to the reporting requirements of section 313 of Title til of the <br /> Superfund Amendments and Reauthorization Act of 1966 and 40 CFR Part 372. Sulfur thoxide is also listed on Its own merits. - <br /> SECTION OTHER INFORMATION <br /> Flash Point(Test Method): Not applicable Fiammable Limits LOWER UPPER <br /> Autotgnitio6Temperature-, Not_applicable (%BYVOLUME) N/A 'NIA <br /> Hazard Rating(N.F.P.A.): Health: 3 Fire: 0 Reactivity: 2 Specific: Use.nowater <br /> This N.F.P.A.rating is a recommendatlon by the manufacturer using the guidelines or published evaluations prepared by the National Fire Protection <br /> Association. <br /> FIREFIGHTING TECHNIQUE <br /> Sulfur trioxide is extremely irritating to the respiratory tract and may cause breathing difficulty. Prevent human exposure to fire,smoke,fumes,or <br /> products of combustion. Evacuate nonessential personnel from the fire area. Maintain a safe distanos from the fire. Wear full face,self-contained <br /> breathing apparatus and impervious clothing(such as glovese hood,sults,and rubber boots). Use water spray,'dry chemical,foam,carbon dioxide,or <br /> halogenated extinguishing agents. <br /> SPECIAL'HANDLING <br /> Make sure all personnel involved in the spill cleanup follow good Industrial hygiene practices. <br /> Wear a suitable gas purifying respirator or air-supplied respirator to prevent inhalation contact. Wear suitable protective clothing to prevent skin and eye <br /> contact. Use the following procedures: <br /> • All impacted areas should be Imrnedlately zoned off to avoid personnel exposure. <br /> • Adjust all appropriate valves to stop further leakage. The contaminated area should be flagged off and acidity neutralized with soda ash or lime. <br /> CORROSIVITY TO MATbUAtS OF CONSTRUCTION <br /> Weaker strengths of Sulfuric Aad,as may be formed by the reaction of sulfur trioxide with water,are highly corrosive to most metals with potenllat <br /> evolution,of hydrogen gas. <br /> STORAGE REQUIREMENTS <br /> SAFETY SHOWERS—with quick opening valves which stay open. A device to sound an alarm on shower use is suggested, <br /> EYEWASH FOUNTAIN—or other means of washing the eyes with a gentle flow of tap water. <br /> MSDS Version Number. 2 (revisions to Section 15) <br /> Disclalmen This Information relates to the specific material designated and may riot be valid for such Material used In combination with any other materiala or in any process. <br /> Such information is to the gest or our knowledge and belief,accurate and refiable as of the date compiled. However,no representation,warranty or guarantee is made as to <br /> Its accuracy, reliablUty or completeness.' NO WARRANTY'OF MERCHANTABILrfY, FITNESS FOR ANY PARTICULAR PURPOSE, OR ANY OTHER WARRANTY, <br /> EXPRESS OR IMPLIED,IS MADE CONCERNING THE INFORMATION HEREIN PROVIDED. It Is-the user's responsibility to satisfy himself as to the suihdblllty and <br /> completeness of such Information for his own particular use. We do not accept liability for any loss or damage that may occur from the use of this irftrnation nor do we offer <br /> warranty against patent infringement <br /> Reviewed by: The Department of Regulatory Affairs <br /> August 1998 (2o0)672.2700 <br />