ERIOCHROME BLACK T AR
| Product Code | B-01122 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | AR | CAS No | 1787-61-7 |
| Molecular Formula | C20H12N3NaO7S | Molecular Weight | 461.38 |
| H.S.Code | 3204.90000 | Shelf Life | 60 Months |
| Purity | 98 % |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Brownish black powder |
|---|---|---|---|
| Odour | Odorless |
Packaging
Specification
| Appearance | Brownish black powder |
| Suitability (as metal indicator) | Passes test |
| Absorption maxima at pH 10 | 612 – 616 nm |
| Clarity of solution | Passes test |
| Specific absorptivity A1%/1cm (lmax; 0.02 g/L; buffer pH 10.0; calculated on dried substance) | Min 300.0 |
| Loss on dryig (at 110°C) | Max 7.0% |
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning