Description
| CAS | 34487-61-1 |
| Molecular Formula | C19H13NaO5S |
| Molecular Weight | 376.36 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | Dark red powder |
| Odour | Odorless | Melting Point/ Freezing Point [°C] | 285 °C |
| Solubility in Water [% weight] | Soluble in water | ||
| Specifications | |||
| Appearance | Dark red to brown powder | Transition Range (pH 6.5 – 8.2) | Yellow – Reddish violet |
| Absorption Maxima at pH 6.5 (L1) | 430 – 435 nm | Absorption Maxima at pH 8.2 (L2) | 557 – 560 nm |
| Loss On Dryig (At 110°C) | Max 5% | ||
| Dangerous Goods Information | |||
| UN Number | – | DG Class | – |
| Safety Information & Hazard Symbols | |
| Symbol | GHS07 |
| Signal Word | Warning |
| Hazard Statement | H315-H319-H335 |
| Precaution Statement | P261-P305 + P351 + P338 |















