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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. 156

 
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Food Contact Substance:  Cellulose, regenerated polymer with epichlorohydrin, carboxymethyl 2-hydroxypropyl ether (CAS Reg. No. 343844-23-5). The FCS is also referred to as carboxymethyl (CM) ion exchange cellulose resin.
 
Notifier:  Invitrogen Corporation
 
Manufacturer:  Invitrogen Corporation
 
Intended Use:  The CM ion exchange cellulose resin is used to isolate and purify soluble protein from aqueous process streams for food processing.
 
Effective Date:  09/04/2001
 
Limitations/Specifications:  The temperature of water and food passing through the CM ion exchange cellulose resin should not exceed 40°C. The operating pH of the column is between a pH of 2 and 10. The columns should be washed and preconditioned prior to use according to the manufacturers specifications as described in detail in the notification.
 
Environmental Impact Decisions:  Environmental Decisions Site
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