For research use only. Not for therapeutic Use.
D&C Red No. 31（Cat No.:I014317）is a synthetic red dye commonly used in cosmetics, personal care products, and pharmaceuticals. It is part of the D&C (Drugs and Cosmetics) color additive series, approved by the U.S. Food and Drug Administration (FDA) for external use. The dye is primarily used to color products like lipsticks, nail polishes, and other cosmetics, as well as some topical drugs. While generally considered safe, its use is regulated to prevent potential skin irritation or allergic reactions, with safety standards set for concentrations in cosmetic formulations.
| Catalog Number | I014317 |
| CAS Number | 6371-76-2 |
| Synonyms | D & C Red no. 31; 11067 Red; Brilliant Scarlet G; CCRIS 4906; Pigment Scarlet Toner RB; Topaz Toner R 5;;calcium (E)-3-hydroxy-4-(phenyldiazenyl)-2-naphthoate |
| Molecular Formula | C34H22CaN4O6 |
| Purity | ≥95% |
| Solubility | Soluble in DMSO |
| IUPAC Name | calcium;3-carboxy-1-phenyldiazenylnaphthalen-2-olate |
| InChI | InChI=1S/2C17H12N2O3.Ca/c2*20-16-14(17(21)22)10-11-6-4-5-9-13(11)15(16)19-18-12-7-2-1-3-8-12;/h2*1-10,20H,(H,21,22);/q;;+2/p-2 |
| InChIKey | CYHOWEBNQPOWEI-UHFFFAOYSA-L |
| SMILES | C1=CC=C(C=C1)N=NC2=C(C(=CC3=CC=CC=C32)C(=O)O)[O-].C1=CC=C(C=C1)N=NC2=C(C(=CC3=CC=CC=C32)C(=O)O)[O-].[Ca+2] |
