Product name:Alizarin Red S
Purity:70-99%
Appearance:Orange-red powder
Sample:Available
Storage:room temp
CAS No.: 130-22-3
Alizarin Red S Cas130-22-3
Typical Properties
Chemical name:Alizarin Red S
Cas no:130-22-3
Synonyms:Alizarin Sodium Sulfonate
Molecular weight:343.27
Molecular formula:C14H7NaO7S
Molecular structure:
| Item | Specification |
| Melting point | >250°C |
| Boiling point | 287-289°C |
| pKa | 4.5 |
| Moisture content (%) | ≤5% |
| Water insoluble matter (%) | ≤0.5% |
| Loss on Drying | ≤ 5.0% |
| PH | 3.7 |
Usage
1. Laboratory analytical reagents: Metal ion indicators used for the titration of metal ions such as aluminum, zirconium, and calcium; biological stains for cells and tissues, including staining for calcium deposits in osteoblasts.
2. Dye industry: Water-soluble anthraquinone dyes used for the dyeing and printing of fabrics.
3. Water quality testing: Detection of metal ions in water.
Packaging and Shipping
25kg/drum
According to customer requirements.
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Alizarin Red S Cas130-22-3