Erythrosine
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| Erythrosine | |
|---|---|
| Image:Erythrosine.png | |
| Chemical name | 2-(6-hydroxy-2,4,5,7-tetraiodo- 3-oxo-xanthen-9-yl)benzoic acid |
| Chemical formula | C20H8I4O5 |
| Molecular mass | 835.892 g/mol |
| CAS number | [16423-68-0] |
| Density | |
| Melting point | |
| Boiling point | |
| SMILES | C1=CC=C(C(=C1)C2=C3C=C(C(=O) C(=C3OC4=C(C(=C(C=C24)I)O)I)I)I)C(=O)O |
| Disclaimer and references | |
Erythrosine (Tetraiodofluorescein) is a cherry-pink coal based fluorone food dye.
Contents |
[edit] Classification
It is listed under the following number systems:
- FD&C No. Red 3
- E number E127 (Food Red 14)
- Colour Index no. 45430 (Acid Red 51)
- Indian Standards No. 1697
[edit] Uses
It is used as a food dye, in printing inks, as a biological stain, a dental plaque disclosing agent and a radiopaque medium.
[edit] Health issues
It can cause photosensitivity (sensitivity to light) and it may be carcinogenic. It is a xenoestrogen. It, and some other synthetic food colorings have been implicated in ADHD, but the evidence on this point is still inconclusive.
