Unlike food ingredients, color additives do not have a GRAS pathway in the United States. The provisions of the FD&C Act that exempt certain food substances from premarket approval based on GRAS status do not apply to color additives. In other words, any substance that meets the definition of a color additive and is not otherwise exempt must obtain authorization through a CAP before being marketed for the intended use. Once approved, the authorization is published in the Federal Register and codified in the CFR, providing publicly verifiable regulatory support for global customers and regulatory authorities.
1. What Is a Color Additive?
A color additive refers to any dye, pigment, or other substance made by a synthetic process or similar process, or extracted, isolated, or otherwise derived from plants, animals, minerals, or other sources, regardless of whether it has undergone any intermediate or final change in characteristics, which, when added or applied to food, drugs, cosmetics, or medical devices, is capable of imparting color thereto.
Exemptions
Food ingredients that inherently have color: Cherries, green or red peppers, chocolate, and orange juice may naturally impart color when mixed with other foods. When the ingredient is not added for the purpose of coloring the product, it is generally not considered a color additive.
Non-coloring uses: A substance used solely for a purpose other than coloring, where its color effect is clearly insignificant to the marketability of the product, is not subject to color additive premarket approval requirements.
2. Two Regulatory Categories of Color Additives: Certified vs. Exempt from Certification
Once approved through a CAP, color additives are generally placed into one of two regulatory categories depending on whether they are subject to batch certification.
Category | Applicable Regulations | Sources and Characteristics | Certification Requirements |
|---|---|---|---|
Certified | 21 CFR Parts 74 and 82 | Primarily synthetic organic dyes, lakes, and pigments, including azo, xanthene, triphenylmethane, indigoid and other classes; generally characterized by strong coloring power, uniform color, and relatively low cost | Each batch must undergo FDA certification before the color additive may be used in products for commercial distribution |
Exempt from certification | 21 CFR Part 73 | Primarily derived from natural sources such as plants, minerals, or animals, including cochineal extract/carmine and their lakes; commonly referred to as natural colors | No batch-by-batch FDA certification is required, but users must ensure that each batch complies with applicable identity, purity, specification, and use requirements |
3. What are the Requirements for CAP Submission
21 CFR Part 71 establishes the regulatory framework for color additive petitions. Section 71.1(c) specifies the information and data that a petition should contain. In conjunction with FDA’s guidance on the submission of chemical and technical data for color additive petitions, CIRS has summarized the key CAP submission requirements as follows:
No. | Information Element | Description |
|---|---|---|
1 | Identity and composition of the color additive | Name; chemical name; chemical structure; molecular weight; composition; source; specifications for individual components; and identification and limits of reaction by-products and impurities |
2 | Physicochemical and biological properties | Melting point, refractive index, solubility, spectral characteristics (UV/visible absorption), and other relevant properties |
3 | Product specifications and analytical methods | Analytical reports for multiple batches (at least five batches), including analytical methods and validation data for each specification parameter |
4 | Manufacturing process | Complete process description and parameters, including time, temperature, pH, etc.; equations for principal and side reactions; list of raw materials and processing aids with common and chemical names; facilities and control measures; and information on third-party manufacturers, where applicable |
5 | Stability data | Data establishing identity, strength, quality, and purity, including shelf life and relevant packaging and labeling considerations |
6 | Proposed uses and use levels | Proposed addition levels, expected coloring effects, directions/recommendations/precautions for use, and proposed labeling |
7 | Data demonstrating the intended effect | Data demonstrating that the color additive achieves the intended coloring effect under the proposed conditions of use |
8 | Estimated exposure under the proposed uses | Estimated consumption, cumulative dietary exposure, and exposure to chemically related substances |
9 | Methods of analysis | Qualitative and quantitative methods for determining the color additive in foods, as well as methods for identifying and determining substances formed in foods following use of the color additive |
10 | Safety studies and complete study reports | Adequate animal studies, generally including biological studies, and other relevant studies; studies should comply with applicable GLP (21 CFR Part 58), IRB (21 CFR Part 56), and informed consent (21 CFR Part 50) requirements, as applicable |
11 | Proposed tolerances | Proposed tolerance levels and other limitations on use, where necessary |
12 | Labeling | Proposed label specimens and related explanations |
13 | Environmental assessment | Depending on the circumstances, a categorical exclusion statement or a complete Environmental Assessment |
14 | Samples | FDA may request samples from five batches, including batches used in toxicological studies, together with corresponding analytical reports |
15 | Certification status statement | If exemption from batch certification is requested, the petitioner should explain why batch certification is considered unnecessary |
4. Studies and Testing Involved in a CAP
No. | Study/Report | Notes |
|---|---|---|
1 | Product specification testing report, including raw data | At least five batches |
2 | Stability study data | Evaluation of stability under different environmental conditions. If the color additive has established stability characteristics or previous studies have demonstrated its stability, relevant literature and a supporting discussion may be sufficient |
3 | Method validation for quantitative analytical methods | — |
4 | Toxicological study reports, including complete raw data | Studies should be conducted in laboratories compliant with U.S. GLP requirements, with reference to applicable OECD Test Guidelines and the toxicological principles and recommendations in FDA's Redbook 2000 |
5. Application Procedure and Timeline
Statutory FDA Procedure
- Within 15 days after submission: FDA notifies the petitioner in writing whether the petition has been filed/accepted for review.
- Within 30 days after filing: FDA publishes a Notice of Filing in the Federal Register, disclosing the petitioner and a summary of the proposal.
- Statutory review period: 90 days from filing. If FDA determines that additional time is needed, it may provide written notice extending the review period, up to a maximum of 180 days after filing.
- Requests for additional information or samples: The 90-day period may be extended accordingly while FDA is awaiting requested information or samples. If the petitioner fails to respond within 180 days after receiving a request, the petition may be considered withdrawn.
- Submission of substantial new data: If the petitioner submits substantial new information or data, the submission may be treated as a new petition, with the review period restarting.
- After approval: FDA publishes a Final Rule in the Federal Register. The final rule for a color additive generally becomes effective 31 days after publication and is codified in the CFR, typically under 21 CFR Part 73 or Part 74.
Actual Review Timeline
FDA guidance indicates that review of a CAP may take 180 days or longer. According to FDA materials addressing petition review, direct food additive petitions may take approximately 24 months on average from submission to publication of a final rule. Color additive petitions can vary substantially depending on the scope and complexity of the petition and the number of rounds of supplemental information requested by FDA. Based on CIRS's experience with recently approved cases, the period from submission to approval for color additives is commonly more than three years. Early planning of studies and preparation of the submission package is therefore critical.
Implementation and Estimated Timeline Based on CIRS Experience
Stage | Estimated Timeline | Description |
|---|---|---|
Data gap analysis | 1–2 months | Conduct a gap assessment and prepare a customized checklist; FDA pre-submission consultation may be initiated in parallel |
FDA pre-submission consultation | Approximately 3–6 months after request, depending on FDA scheduling | Discuss proposed study protocols and adequacy of supporting data |
Conduct of studies | 1–2 years | Primarily determined by the longest toxicological study |
Preparation of CAP dossier | 3–6 months | Dossier preparation can proceed in parallel with testing |
CAP submission | 1–2 months | Submission organized through Form FDA 3503 |
FDA filing and assignment of CAP number | Approximately 1–3 months, depending on FDA | Notice of Filing subsequently published in the Federal Register |
FDA review and rulemaking | 1–3 years | Supplemental questions and additional data requests may arise during review |
FDA regulatory update | Depending on FDA | Final rule becomes effective and the color additive is codified under 21 CFR Part 73 or Part 74 |
6. Fee Structure
FDA Fees — Color Additive Petition-Specific Fee Mechanism
Circumstance | Fee |
|---|---|
New CAP submission | US$3,000 (FDA may refund part of the fee if the petition is withdrawn) |
Expansion of use or use level | US$1,800 |
Other circumstances, such as a request for a public hearing | US$250–5,000 deposit (e.g., US$250 public hearing application fee) |
7. Color Additive Cases Approved Since 2021
According to CIRS statistics, FDA approved 13 color additive petitions since 2021, including 2 approvals in 2026, 5 in 2025, none in 2024, 1 in 2023, 3 in 2022, and 2 in 2021. The time from submission to approval has generally exceeded three years, demonstrating the lengthy review timelines and high data requirements associated with color additive petitions.
CAP No. | Substance | Application Year | First Final Rule | Latest Final Rule | Category |
|---|---|---|---|---|---|
CAP 4C0326 | Beetroot Red | 2023 | 2026/02/06 | 2026/03/24 (delayed effective date) | New color additive |
CAP 4C0334 | Spirulina Extract | 2024 | 2026/02/06 | 2026/03/24 (delayed effective date) | Expansion of use |
CAP 1C0319 | Gardenia Blue (Genipin Blue) | 2021 | 2025/07/15 | 2025/10/01 | New color additive |
CAP 4C0328 | Butterfly Pea Flower Extract | 2023 | 2025/05/12 | 2025/08/21 | Expansion of use |
CAP 1C0320 | Spirulina Extract | 2021 | 2025/05/12 | 2025/08/21 | New color additive |
CAP 3C0324 | Calcium Phosphate | 2023 | 2025/05/12 | 2025/08/21 | New color additive |
CAP 2C0322 | Myoglobin | 2021 | 2025/01/17 | 2025/05/29 | New color additive |
CAP 0C0317 | Jagua Blue (Genipin-Glycine) | 2020 | 2023/11/03 | 2024/01/23 | New color additive |
CAP 0C0316 | Spirulina Extract | 2020 | 2022/11/10 | 2025/05/16 | Expansion of use |
CAP 0C0318 | Calcium Carbonate | 2020 | 2022/09/27 | 2023/01/24 | Expansion of use |
CAP 5C0303 | Antarctic Krill Meal | 2018 | 2022/05/10 | 2022/09/07 | New color additive (animal feed) |
CAP 8C0313 | Butterfly Pea Flower Extract | 2018 | 2021/09/02 | 2021/12/29 | New color additive |
CAP 8C0312 | Silver Nitrate | 2018 | 2021/10/06 | 2021/12/29 | New color additive (cosmetics) |
A list of FAP/CAPs currently under review or held in abeyance can be searched in FDA's official database, Food Additive and Color Additive Petitions Under Review or Held in Abeyance.
8. CIRS One-Stop Color Additive Petition Services
With extensive experience in food regulatory compliance, CIRS Group provides global companies with comprehensive support throughout the CAP process, including:
- Data gap analysis: Review existing manufacturing processes, product specifications, and toxicological data, and prepare a gap analysis report and customized checklist.
- FDA pre-submission consultation: Assist in preparing consultation materials and organizing pre-submission discussions with FDA under 21 CFR 70.42(c) to confirm the appropriateness of proposed studies and the adequacy of supporting data.
- Study coordination: Coordinate with laboratories capable of conducting studies in compliance with GLP requirements and develop toxicological study protocols with reference to FDA's Redbook and applicable OECD guidelines.
- Dossier preparation and submission: Prepare the complete petition package in accordance with 21 CFR 71.1(c) and assist with submission using Form FDA 3503.
- Regulatory review support: Track FDA questions throughout the review process, coordinate supplemental data and responses, and support the project through publication of the final rule and codification in the CFR.
- Extended services: Support environmental assessments under NEPA and provide strategic advice for parallel regulatory submissions in China, including applications for new food additive varieties.
If you have a natural or synthetic color additive intended for the U.S. market, please do not be hesitate to contact our expert or get in touch with us via service@cirs-group.com.
Why Choose CIRS?
Established in 2007, the CIRS Group is a leading product safety and regulatory consulting firm. CIRS has branch offices in the Republic of Ireland, South Korea, the United States, the United Kingdom, Japan, and China. CIRS Group utilizes its technical expertise, various resources, and international network to provide one-stop compliance services from regulatory compliance, laboratory testing, and R&D to data services across multiple industries. This includes chemicals, cosmetics, food and food beverages, medical devices, agrochemical products, disinfectants, and consumer goods. It helps clients gain a competitive advantage by reducing business risks associated with regulatory affairs.
The vast majority of members in CIRS Food Business Division have over 10 years of professional experience in food compliance, with more than 80% holding Master’s or Doctoral degrees in food-related disciplines. The CIRS toxicology expert team consists of 24 Chinese Certified Toxicologists (DCST), 2 American Board Certified Toxicologists (DABT), and 2 European Registered Toxicologists (ERT). CIRS has provided one-stop food compliance services to over 1,000 domestic and international food and related enterprises.