- Name: Acid Blue 9
- CAS No.: 2650-18-2
- Appearance: Red purple to blue purple
- Purity/Assay: ≥85%
- Package: 25kg/bag
Acid Blue 9 Details
Chemical Name: Acid Blue 9
CAS No.: 2650-18-2
Molecular Fomula: C37H34N2Na2O9S3
Chemical Structure:
Molecular weight: 792.85
Appearance: Red purple to blue purple
Assay: ≥85%
Typical Properties
| Item | Specifications |
| Color | Red purple to blue purple |
| Status | Powder or granule |
| Assay | ≥85% |
| Loss on drying | ≤14% |
| Water insoluble matter | ≤ 0.20% |
| By-dye | ≤ 6.0% |
| As | ≤1.0% |
| Pb | ≤ 10% |
| Mn | ≤ 50% |
Acid Blue 9 Usage
1.This product is a variety used in blue food coloring
2.Used as a coloring agent for foods, pharmaceuticals and cosmetics.
3.It is suitable for coloring of cakes, sweets, refreshing drinks and bean paste.
4.It can be used alone or in combination with other pigments to form black, soy bean, chocolate and other applications.
Packaging and Shipping
Packing: 25kg/bag
Acid Blue 9 Storage
Stored in a cool place away from heat and sunlight
