1.03168

Eriochromblauschwarz B (C.I. 14640)

metal indicator

• Synonym(e): Eriochromblauschwarz B (C.I. 14640), 2-Hydroxy-1-(1-hydroxynaphthyl-2-azo)-naphthalin-4-sulfonsäure Natriumsalz
• Empirische Formel (Hill-System): C₂₀H₁₃N₂NaO₅S
• CAS-Nummer: 3564-14-5
• Molekulargewicht: 416.38
• UNSPSC-Code: 12352107
• EG-Index-Nummer: 222-639-6
• NACRES: NA.21

Eigenschaften

• product name: Eriochromblauschwarz B (C.I. 14640), metal indicator
• Qualitätsniveau: 200
• Form: solid
• Wirksamkeit: >5000 mg/kg LD₅₀, oral (Rat)
• Verlust: ≤10% loss on drying, 110°C
• pH-Wert: 9.5 (20 °C, 10 g/L in H₂O)
• Löslichkeit: 20 g/L
• Schüttdichte: 540 kg/m³
• λmax: 634-644 nm (buffer pH 10.0)
• Lagertemp.: 15-25°C
• InChI: 1S/C20H14N2O5S.Na/c23-17-11-18(28(25,26)27)14-7-3-4-8-15(14)19(17)22-21-16-10-9-12-5-1-2-6-13(12)20(16)24;/h1-11,21,24H,(H,25,26,27);/q;+1/p-1/b22-19-;
• InChIKey: YRFCCVCSEVISHI-GXTSIBQPSA-M

Beschreibung

Anwendung

• New palladium-oxazoline complexes: Synthesis and evaluation of the optical properties and the catalytic power during the oxidation of textile dyes.: This study examines new palladium-oxazoline complexes, focusing on their synthesis and evaluation of their optical properties and catalytic power in the oxidation of textile dyes, including Eriochrome Blue-Black B (Hassani et al., 2015).


• Wet air and catalytic wet air oxidation of several azodyes from wastewaters: the beneficial role of catalysis.: This research explores the application of wet air and catalytic wet air oxidation processes to degrade various azo dyes in wastewaters, highlighting the positive impact of catalysis in enhancing degradation efficiency, potentially applicable to Eriochrome Blue-Black B (Rodríguez et al., 2009).

Hinweis zur Analyse

Identität (UV/VIS-Spektrum): entspricht
Maximale Absorption λ_max. (Puffer pH 10,0): 634–644 nm
Spez. Absorptionsgrad A 1 %/1 cm (λ_max.; 0,025 g/L; Puffer pH 10,0; berechnet auf wasserfreie Substanz): 220–320
Trocknungsverlust (110 °C): ≤ 10 %
Eignung als Indikator (für die Metalltitration): entspricht

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H319
• P-Sätze: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Gefahreneinstufungen: Eye Irrit. 2
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable