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73.50 Ultramarine blue.

Home > Regulations > Listing of color additives exempt from certification > 73.50 Ultramarine blue.






[Code of Federal Regulations]

[Title 21, Volume 1]

[Revised as of April 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 21CFR73.50]



[Page 341]

 

                        TITLE 21--FOOD AND DRUGS

 

CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 

                                SERVICES

 

PART 73_LISTING OF COLOR ADDITIVES EXEMPT FROM CERTIFICATION--Table 

of Contents

 

                             Subpart A_Foods

 

Sec.  73.50  Ultramarine blue.



    (a) Identity. The color additive ultramarine blue is a blue pigment 

obtained by calcining a mixture of kaolin, sulfur, sodium carbonate, and 

carbon at temperatures above 700 [deg]C. Sodium sulfate and silica may 

also be incorporated in the mixture in order to vary the shade. The 

pigment is a complex sodium aluminum sulfo-silicate having the 

approximate formula 

Na7Ai6Si6O24 

S3.

    (b) Specifications. Ultramarine blue shall conform to the following 

specifications:



Lead (as Pb), not more than 10 parts per million.

Arsenic (as As), not more than 1 part per million.

Mercury (as Hg), not more than 1 part per million.



    (c) Uses and restrictions. The color additive ultramarine blue may 

be safely used for coloring salt intended for animal feed subject to the 

restriction that the quantity of ultramarine blue does not exceed 0.5 

percent by weight of the salt.

    (d) Labeling requirements. The color additive shall be labeled in 

accordance with the requirements of Sec.  70.25 of this chapter.

    (e) Exemption from certification. Certification of this color 

additive is not necessary for the protection of the public health, and 

therefore batches thereof are exempt from the certification requirements 

of section 721(c) of the act.










Additives that reference this regulation:


Source: U.S. Code of Federal Regulations - CFR Title 21, Part 73, Section 50


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