1.03168

Eriochrome blue-black B (C.I. 14640)

metal indicator

• Sinónimos: Eriochrome blue-black B (C.I. 14640), 2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-naphthalene-4-sulfonic acid sodium salt
• Fórmula empírica (notación de Hill): C₂₀H₁₃N₂NaO₅S
• Número de CAS: 3564-14-5
• Peso molecular: 416.38
• Número MDL: MFCD00003934
• Código UNSPSC: 12352107
• Número índice de la CE: 222-639-6
• NACRES: NA.21

Propiedades

• Nombre del producto: Eriochrome blue-black B (C.I. 14640), metal indicator
• Nivel de calidad: 200
• Formulario: solid
• potencia: >5000 mg/kg LD₅₀, oral (Rat)
• pérdida: ≤10% loss on drying, 110°C
• pH: 9.5 (20 °C, 10 g/L in H₂O)
• solubilidad: 20 g/L
• densidad aparente: 540 kg/m³
• λmáx.: 634-644 nm (buffer pH 10.0)
• temp. de almacenamiento: 15-25°C
• cadena SMILES: [Na+].[S](=O)(=O)([O-])C1=CC(=O)\C(=N/Nc3c(c4c(cc3)cccc4)O)\c2c1cccc2
• 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-;
• Clave InChI: YRFCCVCSEVISHI-GXTSIBQPSA-M

Descripción

Aplicación

• 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).

Nota de análisis

Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ_max. (buffer pH 10.0): 634 - 644 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.025 g/l; buffer pH 10.0; calculated on anhydrous substance): 220 - 320
Loss on drying (110 °C): ≤ 10 %
Suitability as indicator (for metal titration): passes test

Información de seguridad

• Pictogramas: GHS07
• Palabra de señalización: Warning
• Frases de peligro: H319
• Consejos de prudencia: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Clasificaciones de peligro: Eye Irrit. 2
• Código de clase de almacenamiento: 11 - Combustible Solids
• Clase de riesgo para el agua (WGK): WGK 3
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable