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176.320 Sodium nitrate-urea complex.

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[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR176.320]

[Page 233-234]
 
                        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.  176.320  Sodium nitrate-urea complex.

    Sodium nitrate-urea complex may be safely used as a component of 
articles intended for use in producing, manufacturing, packing, 
processing, preparing, treating, packaging, transporting, or holding 
food, subject to the provisions of this section.

[[Page 234]]

    (a) Sodium nitrate-urea complex is a clathrate of approximately two 
parts urea and one part sodium nitrate.
    (b) Sodium nitrate-urea complex conforming to the limitations 
prescribed in paragraph (b)(1) of this section is used as provided in 
paragraph (b)(2) of this section.
    (1) Limitations. (i) It is used as a plasticizer in glassine and 
greaseproof paper.
    (ii) The amount used does not exceed that required to accomplish its 
intended technical effect or exceed 15 percent by weight of the finished 
paper.
    (2) Conditions of use. The glassine and greaseproof papers are used 
for packaging dry food or as the food-contact surface for dry food.





Additives that reference this regulation:


Source: U.S. Code of Federal Regulations - CFR Title 21, Part 176, Section 320


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