# Listing of Color Additives for Coloring Sutures; [Phthalocyaninato(2-)] Copper
> **Food and Drug Administration** · Final rule. · Published 1999-04-30 · Effective 1999-06-02 · 64 FR 23185
## Document
- **Document number:** 99-10917
- **Category:** fda-food
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 64 FR 23185
- **CFR reference:** 21 CFR 74
- **Publication date:** 1999-04-30
- **Effective date:** 1999-06-02
- **HHS docket:** Docket No. 98C-0041
## Abstract

The Food and Drug Administration (FDA) is amending the color additive regulations to provide for the safe use of [phthalocyaninato(2-)] copper in coloring nonabsorbable sutures for general and ophthalmic surgery made from a blend of poly(vinylidene fluoride) and poly(vinylidene fluoride-co-hexafluoropropylene). This action responds to a petition filed by Ethicon, Inc.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1999/04/30/99-10917/listing-of-color-additives-for-coloring-sutures-phthalocyaninato2--copper)
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