Hydroxynaphthol Blue Metal 25Gr
Hydroxynaphthol blue metal (pM) indicator. CAS 63451-35-4, pH 6.7 (10 g/l, H₂O, 20 °C).
Manufacturer: Merck
Catalog ID: 104593.0025
Stock: In Stock
Description
| Catalogue Number | 104593 |
| Synonyms | 2,2'-Dihydroxy-1,1'-azonaphthalene-3',4,6'-trisulfonic acidtrisodiumsalt |
Product Information
| CAS number | 63451-35-4 |
| EC number | 264-197-7 |
| Hill Formula | C₂₀H₁₁N₂Na₃O₁₁S₃ |
| Molar Mass | 620.48 g/mol |
| HS Code | 2927 00 00 |
Applications
| Application | Hydroxynaphthol blue metal (pM) indicator. CAS 63451-35-4, pH 6.7 (10 g/l, H₂O, 20 °C). |
Physicochemical Information
| pH value | 2 - 3 (10 g/l, H₂O, 20 °C) |
| Bulk density | 330 kg/m3 |
| Solubility | 340 g/l |
Storage and Shipping Information
| Storage | Store at +15°C to +25°C. |
Specifications
| Appearance of solution | conforms |
| Loss on Drying (105°C) | ≤ 5 % |
| Suitability as indicator (for metal titration) | conforms |
