Article No | P-06753 | ||
CAS No | 34487-61-1 | ||
HSN Code | 29349900 | ||
Purity | - |
Grade | - | ||
Molecular Formula | C19H13NaO5S | ||
Molecular Weight | 376.36 | ||
Shelf Life | 5 years |
25 gm
100 gm
Description | Dark red powder | ||
Assay | Min. 90% | ||
Melting Point | 285 °C | ||
Solubility In Water (% weight) | Soluble in water | ||
Dye content by Spectrophotometry | Min 90.0% | ||
Transition range pH 6.5 - 8.2 | Yellow to red | ||
Absorption Max (pH 6.5) λ1 | 430 – 435 nm | ||
Absorption Max (pH 8.2) λ2 | 557 – 560 nm | ||
Loss on drying (110°C) | Max. 5.0% | ||
Sensitivity | Passes test |