Certificate of Analysis
| Product Name: | Azorubin |
| Catalog Number: | M19405 |
| CAS Number: | 3567-69-9 |
Physical and Chemical Properties
| Formula: | C20H12N2Na2O7S2 |
| Molecular Weight: | 502.43 |
| Form: | Solid |
| Solubility: | DMSO 50 mg/mL (ultrasonic) |
| Storage: | 4°C, protect from light, dry, sealed |
| Chemical Structure: |  |
Analytical Data
| QC Standard: | >95% |
| H-NMR: | Consistent with structure |
Product Information
| Description: | Carmoisine (Azorubine) is an azo dye that can be used as a food additive. |
| Stability and Solubility Advice: | Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide. We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details. |