Alizarin Yellow GG (C.I. No. 14025) / CAS 584-42-9
Alizarin Yellow GG is a yellow analytical dye supplied as a powder. It is used as a high-pH acid-base indicator in suitable analytical procedures.
| CAS No. | 584-42-9 |
|---|---|
| Molecular Formula | C13H8N3NaO5 |
| Molecular Weight | 309.21 g/mol |
| Shelf Life | 5 years |
| Appearance | Yellow powder |
| Dye Content | Min. 50% (by spectrophotometry on dried substance) |
| Melting Point | 290-300�C |
| Water Solubility | Solubility in cold water |
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Product Details
Alizarin Yellow GG (C.I. No. 14025) is a yellow powder for analytical and laboratory use. It is also used as a high-pH acid-base indicator in suitable procedures.
Product specifications
| CAS No. | 584-42-9 |
|---|---|
| Article No. | A-00436 |
| HSN Code | 32129090 |
| Molecular Formula | C13H8N3NaO5 |
| Molecular Weight | 309.21 g/mol |
| Appearance | Yellow powder |
| Dye Content | Min. 50% (by spectrophotometry on dried substance) |
| Melting Point | 290-300�C |
| Shelf Life | 5 years |
| Available Pack Sizes | 5 g, 25 g |
Applications
Used as an analytical dye and as a high-pH acid-base indicator in suitable laboratory procedures. An external reference describes its use in nutrient media preparation and reports a yellow-to-red indicator transition over approximately pH 10.1-12.0; confirm suitability for the intended method before use.