# D&C Red No. 6 and D&C Red No. 7; Change in Specification
> **Food and Drug Administration** · Final rule. · Published 2012-07-06 · Effective 2012-08-07 · 77 FR 39921
## Document
- **Document number:** 2012-16581
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 77 FR 39921
- **CFR reference:** 21 CFR 74
- **Publication date:** 2012-07-06
- **Effective date:** 2012-08-07
- **HHS docket:** Docket No. FDA-2011-C-0050
## Abstract

The Food and Drug Administration (FDA or the Agency) is revising its requirements for D&C Red No. 6 and D&C Red No. 7 by replacing the current specification for "Ether-soluble matter" with a maximum limit of 0.015 percent for the recently identified impurity 1- [(4-methylphenyl)azo]-2-naphthalenol. This action is in response to a petition filed by Sun Chemical Corp.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/07/06/2012-16581/dandc-red-no-6-and-dandc-red-no-7-change-in-specification)
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