U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
(a) Identity. (1) The color additive calcium phosphate is a white, synthetically prepared powder consisting predominantly of precipitated Ca
(2) Color additive mixtures for food use made with calcium phosphate may contain only those diluents that are suitable and are listed in this subpart as safe for use in color additive mixtures for coloring foods.
(b) Specifications. Calcium phosphate must conform to the following specifications and must be free from impurities, other than those named, to the extent that such other impurities may be avoided by good manufacturing practice:
(1) Loss on ignition, not more than 10 percent.
(2) Assay (Ca): 36.0-40.0 percent.
(3) Fluoride, not more than 75 milligrams/kilogram (mg/kg) (75 parts per million (ppm)).
(4) Lead, not more than 0.25 mg/kg (0.25 ppm).
(5) Arsenic, not more than 3 mg/kg (3 ppm).
(c) Uses and restrictions. Calcium phosphate may be safely used for coloring foods intended for human consumption, subject to the following restrictions:
(1) In ready-to-eat chicken products in an amount not exceeding 1.5 percent by weight of the finished food.
(2) In white candy melts in an amount not exceeding 0.25 percent by weight of the finished food.
(3) In doughnut sugar in an amount not exceeding 2.0 percent by weight of the finished food.
(4) In sugar for coated candies in an amount not exceeding 5.25 percent by weight of the finished food.
(d) Labeling requirements. The label of the color additive and any mixtures prepared therefrom intended solely or in part for coloring purposes must conform to the requirements of § 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 Federal Food, Drug, and Cosmetic Act.
