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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. 31

Nalco Chemical Co.

According to Section 409(h)(1)(C) of the Federal Food, Drug, and Cosmetic Act, food contact substance notifications (FCNs) are effective only for the listed manufacturer and its customers. Other manufacturers must submit their own FCN for the same food contact substance and intended use.

Food Contact Substance: Fluorescein, disodium salt or dipotassium salt (CAS Reg. No. 518-47-8) and (CAS Reg. No. 6417-85-2)
Notifier: Nalco Chemical Co.
Manufacturer/Supplier: Nalco Chemical Co.
Intended Use: For use in boiler water additives complying with 21 CFR 173.310.
Limitations/Specifications*: For use only as an inert tracer chemical in boiler systems and must not exceed 900 parts per billion (ppb) in boiler water. In addition, this product must meet any applicable specifications under 21 CFR 173.310.
Effective Date: May 11, 2000
National Environmental Policy Act (NEPA)** Submission: Environmental Assessment (in PDF) (265 kB)
FDA Decision: Finding of No Significant Impact (FONSI)