Trisodium 2-(4-Sulphophenylazo)-1,8-dihydroxynaphthalene-3,6-disulphonate (SPADNS), GR analytisches Reagens, Supelco®
Lieferant: Merck
Synonyme:
SPADNS, 2-(4-Sulphophenylazo)chromotropic acid trisodium salt, 4,5-Dihydroxy-3-(4-sulphophenylazo)-2,7-naphthalenedisulphonic acidtrisodium salt, 1,8-Dihydroxy-2-(4-sulphophenylazo)naphthalene-3,6-disulphonic acidtrisodium salt, Sulphanilic acid azochromotrope, 2-(p-sulphophenylazo)-1,8-Dihydroxy-3,6-Naphthalenedisulphonic acidtrisodium salt, Trisodium 1,8-Dihydroxy-2-(4-sulphophenylazo)naphthalene-3,6-disulphonate
M-Clarity™ Qualitätsstufe = MQ100
1.07998.0025
1.07998.0025EA
197
EUR
1.07998.0025
Trisodium 2-(4-Sulphophenylazo)-1,8-dihydroxynaphthalene-3,6-disulphonate (SPADNS), GR analytisches Reagens, Supelco®
Trisodium 2-(4-Sulphophenylazo)-1,8-dihydroxynaphthalene-3,6-disulphonate (SPADNS)
Reagent for Fluoride, Zirconium, Thorium
Formel:
C₁₆H₁₂N₂O₁₁S₃ Molecular Weight: 570,40 g/mol Lagertemperatur: Raumtemperatur |
MDL:
MFCD00003952 CAS-Nummer: 23647-14-5 EINECS: 245-803-9 |
Spezifikation Testergebnisse
Solubility | 220 g/l (22 °C) |
Molar Mass | 570.4 g/mol |
Bulk Density | 810 kg/m3 |
pH | 6.0 (10 g/l, H2O, 22 °C) |
HS Code | 2927 00 00 |
pH value | 6,0 |
Bulk density | 810 kg/m3 |
Storage temperature | +15...+25 °C |
Identity | passes test |
Color change with zirconium | passes test pink - violet |
Absorption maximum ⋋max | 505 - 510 nm |
Loss on drying | ≤10 % |
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