| Name: Hydroxynaphthol blue |
| Grade: Indicator |
| Application: clinical, titration |
| Synonyms: 2,2′-Dihydroxy-1,1′-azonaphthalene-3′,4,6′-trisulfonic acidtrisodiumsalt |
| CAS Number: 63451-35-4 EC Number: 208-237-3 Molar Mass: 620.47 g/mol Chemical Formula: C₂₀H₁₁N₂Na₃O₁₁S₃ |
| Download: Datasheet | CoA | SDS |
| Chemical formula: C₂₀H₁₁N₂Na₃O₁₁S₃ | Molar Mass: 620.47 g/mol |
| Appearance: Black colored powder | Bulk density: 330 kg/m3 |
| Solub. in water: 340 g/l | Melting point: 801 °C |
| Boiling point: 1413 °C | pH value: 2-3 (20 °C) |
| Storage temp.: +15°C to +25°C | Cautions: Not a hazardous substance |
| R: N/A | S: N/A |
| HS-No.: 3212 90 00 | EC number : 208-237-3 |
| Absorption maxima (buffer pH 12.0) | 646 ± 2 | nm | |
| Solubility | Conforms | ||
| Loss on drying (at 105°C) | ≤ | 5.0 | % |
| Suitability (as metal indicator) | Conforms |
| Ordering code | 10 g | 25 g | 50 g | 100 g | 250 g |
| P.E. | |||||
| Glass | 627.09.00010.01 |
| Hazard Symbol |
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