 |
| Menge: | |
|---|---|
DY156231
2783-94-0
220-491-7
C16H12N2O7S2.2Na
C.I.Food Yellow 3 (C.I.15985)
| Index Name | Specifications |
| Appearance | Orange powder |
| Assay | 99.0%min |
| Volatile matter(135degC) | 10%max |
| Insoluble matter in water | 0.4%max |
| Extract from Isopropyl ether | 0.4%max |
| Other dye | 0.5 to 4% |
| As | 0.0001%max |
| Pb | 0.001%max |
| Max absorption wavelength | 428nm+/-2 |