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HYDROXY NAPHTHOL BLUE Indicator grade
Indicator for Calcium determination.
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC2279 | Indicator grade | 63451-35-4 | C20H11N2Na3O11S3 | 620.48 | 2927.0090 | 60 Months |
Packings
| 5 g,25 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | Balck powder |
| Odour | Odorless |
| Melting point/ Freezing point [°C] | 801°C |
| Boiling point [°C] | 1413°C |
| Vapour pressure mm/Hg | 1.0 mm Hg @ 8650C |
| Solubility in water [% weight] | Soluble in water |
Specifications
| Appearance | Black colored powder |
| Absorption maxima (buffer pH 12.0) | 646 nm +/- 2 nm |
| Loss on drying (at 105°C) | Max 5.0% |
| Suitability (as metal indicator) | Passes test |
Safety Information and Hazard Symbols
|
|
|---|---|
| Symbol | GHS07 |
| Signal Word | Warning |
| UN No. | |
| IMCO Class No. | |
| Packing Group | |
| Hazardous Statement | H315-H319-H335 |
| Precaution Statement | P261-P305 + P351 + P338 |
| Risk Statement | |
| Safety Statement | |