1.03168

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

metal indicator

• 別名: Eriochrome blue-black B (C.I. 14640), 2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-naphthalene-4-sulfonic acid sodium salt
• 実験式（ヒル表記法）: C₂₀H₁₃N₂NaO₅S
• CAS番号: 3564-14-5
• 分子量: 416.38
• UNSPSCコード: 12352107
• EC Index Number: 222-639-6
• NACRES: NA.21

特性

• 製品名: Eriochrome blue-black B (C.I. 14640), metal indicator
• 品質水準: 200
• フォーム: solid
• 有効性: >5000 mg/kg LD₅₀, oral (Rat)
• 損失: ≤10% loss on drying, 110°C
• pH: 9.5 (20 °C, 10 g/L in H₂O)
• 溶解性: 20 g/L
• かさ密度: 540 kg/m³
• λmax: 634-644 nm (buffer pH 10.0)
• 保管温度: 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-;
• InChI Key: YRFCCVCSEVISHI-GXTSIBQPSA-M

詳細

アプリケーション

• 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).

アナリシスノート

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

安全性情報

• ピクトグラム: GHS07
• シグナルワード: Warning
• 危険有害性情報: H319
• 注意書き: P264 - P280 - P305 + P351 + P338 - P337 + P313
• 危険有害性の分類: Eye Irrit. 2
• 保管分類コード: 11 - Combustible Solids
• WGK: WGK 3
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable