Appearance (Color): | Green to Very Dark Green and Brown to Very Dark Brown |
Appearance (Form): | Powder or Crystals |
Emperical formula: | C27H29N2NaO7S2 |
Molecular Formula | 580.65 |
Lambda Max: | 554 Nm |
Product Name | Acid Red 52 |
Colour Index No. | 45100 |
CAS NO. | 3520-42-1 |
Chemical Class: | XANTHENE |
Dye strength: | 650% - 660 % |
Extinction coefficient: | < 85000 |
Infra red spectrum: | 554-560 |
Purity by HPLC: | 92%-93% |
Insolubles: | Less than 0.1% |
Solubility: | Clear solution @ 15- 16 % @ 25 deg C |
PH: | Acidic 0.9-1.4 |
Bulk density: | 0.6 |
Chromium Level : | Maximum 10 ppm |
Lead Level | Maximum 2 ppm |
Mercury Level | Maximum 1 ppm |
Forbidden Amines | Should not be detected |