[Code of Federal Regulations] [Title 21, Volume 3] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR176.250] [Page 219] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 176--INDIRECT FOOD ADDITIVES: PAPER AND PAPERBOARD COMPONENTS--Table of Contents Subpart B--Substances for Use Only as Components of Paper and Paperboard Sec. 176.250 Poly-1,4,7,10,13-pentaaza-15-hydroxyhexadecane. Poly-1,4,7,10,13-pentaaza-15-hydrox-yhexadecane may be safely used as a retention aid employed prior to the sheet-forming operation in the manufacture of paper and paperboard intended for use in contact with food in an amount not to exceed that necessary to accomplish the intended physical or technical effect and not to exceed 6 pounds per ton of finished paper or paperboard.