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U.S. Department of Health and Human Services

Inventory of Environmental Impact Decisions for Food Contact Substance Notifications
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FCN No. 1092

Food Contact Substance: 1,3-benzenedicarbonyl dichloride, polymer with 1,4-benzenedicarbonyl dichloride, carbonic dichloride and 4,4'-(1-methylethylidene)bis[phenol] (polyester carbonate resins) (CAS Reg. No. 71519-80-7). The resins are produced by the condensation of 4,4'- isopropylidenediphenol, carbonyl chloride, terephthaloyl chloride, and isophthaloyl chloride such that the finished resins are composed of 45 to 85 mole percent ester, of which up to 55 mole percent is the terephthaloyl isomer. The resins are manufactured using a phthaloyl chloride/carbonyl chloride mole ratio of (0.81 to 5.7)/1 and isophthaloyl chloride/terephthaloyl chloride mole ratio of 0.81/1 or greater. The manufacturing process may include optional adjuvant substances authorized for the resins.
Environmental Assessment NEPA Submission: Environmental Assessment (in PDF, 338 kB)
FDA Decision: Categorical Exclusion Memo/Finding of No Significant Impact (FONSI)
FCN Premarket Authorization Issued: FCN description

More about Environmental Decisions and Definitions of Environmental Terms.
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