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Food and Drug Administration, HHS.
The Food and Drug Administration (FDA) is amending the color additive regulations to provide for the safe use of mica-based pearlescent pigments as color additives in ingested drugs. This action is in response to a petition filed by EM Industries, Inc.
This rule is effective August 23, 2005. Submit written or electronic objections and requests for a hearing by August 22, 2005. See section VIII of the SUPPLEMENTARY INFORMATION section of this document for information on the filing of objections.
You may submit written or electronic objections and requests for a hearing, identified by Docket No. 1998C-0431, by any of the following methods:
- Federal eRulemaking Portal: http://www.regulations.gov. Follow the instructions for submitting comments.
- Agency Web site: http://www.fda.gov/dockets/ecomments. Follow the instructions for submitting comments on the agency Web site.
- E-mail: email@example.com. Include Docket No. 1998C-0431 in the subject line of your e-mail message.
- FAX: 301-827-6870.
- Mail/Hand delivery/Courier [For paper, disk, or CD-ROM submissions]: Division of Dockets Management (HFA-305), Food and Drug Administration, 5630 Fishers Lane, rm. 1061, Rockville, MD 20852.
Instructions: All submissions received must include the agency name and docket number for this rulemaking. All objections received will be posted without change to http://www.fda.gov/ohrms/dockets/default.htm, including any personal information provided. For detailed instructions on submitting objections, see the “Objections” heading of the SUPPLEMENTARY INFORMATION section of this document.
Docket: For access to the docket to read background documents or comments received, go to http://www.fda.gov/ohrms/dockets/default.htm and insert the docket number, found in brackets in the heading of this document, into the “Search” box and follow the prompts and/or go to the Division of Dockets Management, 5630 Fishers Lane, rm. 1061, Rockville, MD 20852.Start Further Info
FOR FURTHER INFORMATION CONTACT:
Aydin Örstan, Center for Food Safety and Applied Nutrition (HFS-255), Food and Drug Administration, 5100 Paint Branch Pkwy., College Park, MD 20740, 301-436-1301.End Further Info End Preamble Start Supplemental Information
In a notice published in the Federal Register of June 22, 1998 (63 FR 33934), FDA announced that a color additive petition (CAP 8C0257) had been filed by EM Industries, Inc., 7 Skyline Dr., Hawthorne, NY 10532 (now EMD Industries, Inc.). The petition proposed to amend the color additive regulations to provide for the safe use of synthetic iron oxide to color ingested drugs at levels higher than the current limit and to provide for the safe use of mica to color ingested drugs. At the time of the filing of the petition, FDA considered the pigments that are the subjects of this petition to be color additive mixtures of synthetic iron oxide, mica, and titanium dioxide. FDA did not include titanium dioxide in the filing notice, because that color additive was already listed for use in ingested drugs. During its subsequent review of the petition, the agency determined that these pigments are composite pigments, not color additive mixtures. Therefore, the agency published an amended filing notice in the Federal Register of June 29, 1999 (64 FR 34816), to indicate that the petition proposed to amend the color additive regulations to provide for the safe use of composite pigments prepared from synthetic iron oxide, mica, and titanium dioxide to color ingested drugs.
The petitioner is seeking approval for a maximum use level of the resulting pigments of up to 3 percent by weight in the finished drug product, and a maximum iron oxide content no greater than 55 percent in those pigments containing iron oxide.
II. Manufacturing and Nomenclature
The subject color additives are manufactured by preparing a suspension of mica platelets, adding a solution of soluble salts of titanium, of iron, or of both, and a base to precipitate titanium hydroxide, iron hydroxide, or both onto the mica platelets. These particles are then heated (calcined) at temperatures up to 900 °C. During the calcination, titanium hydroxide and Start Printed Page 42272iron hydroxide are converted into titanium dioxide, and iron oxide, respectively. The agency has reviewed the relevant data and information in the petition relating to the manufacturing and identity of the subject color additives (Ref. 1), and to the proposed uses of and estimated exposures to (Ref. 2) the subject color additives.
In a final rule published in the Federal Register of October 24, 2002 (67 FR 65311), the agency listed in § 73.3128 (21 CFR 73.3128) the color additives based on the first two combinations given above (titanium or iron salts and mica platelets) for use in contact lenses. In the same final rule, the agency collectively identified these color additives as mica-based pearlescent pigments. To be consistent with § 73.3128, the agency is using the same name for the color additives that are the subjects of the present rule.
III. Safety Evaluation
To evaluate the safety of the proposed uses of mica-based pearlescent pigments for coloring ingested drugs, the agency reviewed the toxicological data and information submitted in the petition as well as other information contained in agency files (Ref. 3). In conjunction with this review the agency notes that, based on the chemical nature of these inorganic pigments and their individual components, as well as the available solubility data contained in the petition, the solubility of mica-based pearlescent pigments in media relevant to human health (e.g., digestive fluids in the gastrointestinal tract) is expected to be very low. As such, the bioavailability of these pigments and/or their individual components when ingested is also expected to be low. Considering the chemical nature of the pigments, and their expected low solubility and bioavailability, the agency concludes that there is no toxic potential when ingested at levels estimated by the agency, based on their proposed use in coloring ingested drugs. The agency also notes that it has previously reviewed various color additive uses of iron oxide, titanium dioxide, and mica where the additives would be ingested and found such uses to be safe (§§ 73.200, 73.575, 73.1200, 73.1496, 73.1575, 73.2250, 73.2496, and 73.2575).
Therefore, taking into account the available safety information, the insoluble nature of the subject color additives, and the conservative estimates of intake of the additives, the agency concludes that the proposed use of mica-based pearlescent pigments to color ingested drugs is safe (Ref. 3).
Based on the data and information in the petition and other relevant material, FDA concludes that the petitioned use of mica-based pearlescent pigments prepared from synthetic iron oxide, mica, and titanium dioxide to color ingested drugs is safe. The agency further concludes that the additives will achieve their intended technical effect, and are suitable for use in coloring ingested drugs. The agency also concludes that part 73 should be amended as set forth in this document. In addition, based upon the factors listed in § 71.20(b) (21 CFR 71.20(b)), the agency concludes that certification of mica-based pearlescent pigments is not necessary for the protection of the public health.
V. Inspection of Documents
In accordance with § 71.15, the petition and the documents that FDA considered and relied upon in reaching its decision to approve the petition are available for inspection at the Center for Food Safety and Applied Nutrition by appointment with the information contact person (see FOR FURTHER INFORMATION CONTACT). As provided in § 71.15, the agency will delete from the documents any materials that are not available for public disclosure before making the documents available for inspection.
VI. Environmental Impact
The agency has previously considered the environmental effects of this rule as announced in the notice of filing for CAP 8C0257 (63 FR 33934). No new information or comments have been received that would affect the agency's previous determination that there is no significant impact on the human environment and that an environmental impact statement is not required.
VII. Paperwork Reduction Act of 1995
This final rule contains no collections of information. Therefore, clearance by the Office of Management and Budget under the Paperwork Reduction Act of 1995 is not required.
This rule is effective as shown in the DATES section of this document, except as to any provisions that may be stayed by the filing of proper objections. Any person who will be adversely affected by this regulation may file with the Division of Dockets Management (see ADDRESSES) written or electronic objections. Each objection shall be separately numbered, and each numbered objection shall specify with particularity the provisions of the regulation to which objection is made and the grounds for the objection. Each numbered objection on which a hearing is requested shall specifically so state. Failure to request a hearing for any particular objection shall constitute a waiver of the right to a hearing on that objection. Each numbered objection for which a hearing is requested shall include a detailed description and analysis of the specific factual information intended to be presented in support of the objection in the event that a hearing is held. Failure to include such a description and analysis for any particular objection shall constitute a waiver of the right to a hearing on the objection. Three copies of all documents are to be submitted and are to be identified with the docket number found in brackets in the heading of this document. Any objections received in response to the regulation may be seen in the Division of Dockets Management between 9 a.m. and 4 p.m., Monday through Friday. FDA will publish notice of the objections that the agency has received or lack thereof in the Federal Register.
The following references have been placed on display in the Division of Dockets Management (see ADDRESSES) and may be seen by interested persons between 9 a.m. and 4 p.m., Monday through Friday.
1. Jensen, E., Memorandum entitled “Use of Pearlescent Pigments as a Color Additive in Tablets and Other Pharmaceutical Preparations,” from the Division of Product Manufacture and Use (HFS-246) to the Division of Petition Control (HFS-215), Center for Food Safety and Applied Nutrition, FDA, January 21, 1999.
2. Lee, H. S., Memorandum entitled “Update of Intake Estimates,” from the Division of Petition Review (HFS-265) to the Division of Petition Review (HFS-265), Center for Food Safety and Applied Nutrition, FDA, November 24, 2004.
3. Taras, T. L., Memorandum entitled “Comprehensive Final Toxicology Evaluation Memorandum: CAP 8C0257” from the Division of Petition Review (HFS-265) to the Division of Petition Review (HFS-265), Center for Food Safety and Applied Nutrition, FDA, December 20, 2004.Start List of Subjects
List of Subjects in 21 CFR Part 73
- Color additives
- Medical devices
Therefore, under the Federal Food, Drug, and Cosmetic Act and under authority delegated to the Commissioner of Food and Drugs, 21 CFR part 73 is amended as follows:End Amendment Part Start Part Start Printed Page 42273
PART 73—LISTING OF COLOR ADDITIVES EXEMPT FROM CERTIFICATIONEnd Part Start Amendment Part
1. The authority citation for 21 CFR part 73 continues to read as follows:End Amendment Part Start Amendment Part
2. Section 73.1128 is added to subpart B to read as follows:End Amendment Part
(a) Identity. (1) The color additive is formed by depositing titanium and/or iron salts onto mica, followed by heating to produce one of the following combinations: Titanium dioxide on mica; iron oxide on mica; titanium dioxide and iron oxide on mica. Mica used to manufacture the color additive shall conform in identity to the requirements of § 73.1496(a)(1).
(2) Color additive mixtures for drug use made with mica-based pearlescent pigments may contain only those diluents listed in this subpart as safe and suitable for use in color additive mixtures for coloring ingested drugs.
(b) Specifications. Mica-based pearlescent pigments shall conform to the following specifications and shall be free from impurities other than those named to the extent that such other impurities may be avoided by good manufacturing practice:
(1) Lead (as Pb), not more than 4 parts per million (ppm).
(2) Arsenic (as As), not more than 3 ppm.
(3) Mercury (as Hg), not more than 1 ppm.
(c) Uses and restrictions. Mica-based pearlescent pigments may be safely used to color ingested drugs in amounts up to 3 percent, by weight, of the final drug product. The maximum amount of iron oxide to be used in producing said pigments is not to exceed 55 percent, by weight, in the finished pigment.
(d) Labeling. The label of the color additive and of any mixture prepared therefrom intended solely or in part for coloring purposes shall 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.Start Signature
Dated: July 13, 2005.
Assistant Commissioner for Policy.
[FR Doc. 05-14457 Filed 7-21-05; 8:45 am]
BILLING CODE 4160-01-S