1.03168

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

metal indicator

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

Propriedades

• Nome do produto: Eriochrome blue-black B (C.I. 14640), metal indicator
• Nível de qualidade: 200
• Formulário: solid
• potência: >5000 mg/kg LD₅₀, oral (Rat)
• perda: ≤10% loss on drying, 110°C
• pH: 9.5 (20 °C, 10 g/L in H₂O)
• solubilidade: 20 g/L
• densidade volumétrica: 540 kg/m³
• λmax: 634-644 nm (buffer pH 10.0)
• temperatura de armazenamento: 15-25°C
• cadeia de caracteres 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-;
• chave InChI: YRFCCVCSEVISHI-GXTSIBQPSA-M

Descrição

Aplicação

• 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 análise

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

Informações de segurança

• Pictogramas: GHS07
• Palavra indicadora: Warning
• Frases de perigo: H319
• Declarações de precaução: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Classificações de perigo: Eye Irrit. 2
• Código de classe de armazenamento: 11 - Combustible Solids
• Classe de risco de água (WGK): WGK 3
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable