

Alizarin Red S 1% W/V (Aqueous Indicator Solution)
Alizarin Red S 1% W/V is an aqueous pH indicator solution. The active dye is Alizarin Red S, with molecular formula C14H7NaO7S; this formula describes the dye, not the complete solution.
| CAS No. of solution | Not listed by supplier |
|---|---|
| Active dye CAS No. | 130-22-3 |
| Active dye molecular formula | C14H7NaO7S |
| Active dye molecular weight | 342.3 |
| Shelf life | 5 years |
| Appearance | Dark red |
| Concentration | 1% w/v aqueous solution |
| Available pack sizes | 100 ml, 500 ml |
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Product Details
Alizarin Red S 1% W/V is an aqueous indicator solution containing 1% w/v Alizarin Red S. It is intended for laboratory indicator procedures. The supplier lists the solution pH as 4.5-5.0.
Product Details
| Supplier article no. | A-00427 |
|---|---|
| CAS No. of solution | Not listed by supplier |
| CAS No. of active dye | 130-22-3 |
| HSN Code | 38220090 |
| Concentration | 1% w/v aqueous solution |
| Active dye molecular formula | C14H7NaO7S |
| Active dye molecular weight | 342.3 |
| Shelf life | 5 years |
| Appearance | Dark red |
| Boiling point | 100�C |
| pH value | 4.5-5.0 |
| Melting point | 0�C |
| Available pack sizes | 100 ml, 500 ml |
Applications
Used as an aqueous indicator solution in laboratory and analytical procedures. Select the procedure and handling conditions according to the intended analysis.
For laboratory use. Follow the applicable safety documentation and method.
























