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U.S. Department of Health and Human Services

Inventory of Effective Food Contact Substance (FCS) Notifications

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FCN No. 644

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Food Contact Substance:  Chlorine Dioxide (CAS Reg. No. 10049-04-4)
Notifier:  Diversey, Inc.
Manufacturer:  Diversey, Inc.
Intended Use:  As an antimicrobial agent in water used in poultry processing and to wash fruits and vegetables that are not raw agricultural commodities.
Effective Date:  12/15/2006
Limitations/Specifications:  (1) For use in an amount not to exceed 3 ppm residual chlorine dioxide as determined by Method 4500-ClO2-D, Modified for use with the Hach Spectrophotometer, or UV absorbance at 360 nm. (2) Chlorine dioxide produced through the CLOSUREâ„¢ process produces a concentrated solution that contains at least 600 ppm chlorine dioxide, and no greater than 10 ppm chlorite and 90 ppm chlorate. (3) When used in water to wash fruits and vegetables, treatment of the fruits and vegetables shall be followed by a potable water rinse or by blanching, cooking, or canning.
Environmental Impact Decisions:  Environmental Decisions Site