| Description | Ponceau 3R is an azo dye. It was used as a red food colorant. |
| Synonyms | NSC10461, NSC-10461 |
| molecular weight | 494.45 |
| CAS | 3564-09-8 |
| Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
| Solubility | DMSO: Soluble |
| References | 1. Fuh MR, Chia KJ. Determination of sulphonated azo dyes in food by ion-pair liquid chromatography with photodiode array and electrospray mass spectrometry detection. Talanta. 2002 Mar 11;56(4):663-71. PubMed PMID: 18968541. 2. Yoshioka N, Ichihashi K. Determination of 40 synthetic food colors in drinks and candies by high-performance liquid chromatography using a short column with photodiode array detection. Talanta. 2008 Feb 15;74(5):1408-13. doi: 10.1016/j.talanta.2007.09.015. Epub 2007 Sep 26. PubMed PMID: 18371797. 3. Iwata H, Yamamoto M, Nemori R, Mizutani M, Iwase T, Miura S, Obata Y, Hara Y, Omoto Y, Toyama T, Yamashita H, Iwase H, Kobayashi S. Localization of gelatinolytic activity can be detected in breast cancer tissues by film in situ zymography. Breast Cancer. 2001;8(2):111-5. PubMed PMID: 11342983. 4. Chung KT, Stevens SE Jr, Cerniglia CE. The reduction of azo dyes by the intestinal microflora. Crit Rev Microbiol. 1992;18(3):175-90. Review. PubMed PMID: 1554423. |