1.03168

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

metal indicator

• 别名: Eriochrome blue-black B (C.I. 14640), 2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-naphthalene-4-sulfonic acid sodium salt
• 经验公式（希尔记法）: C₂₀H₁₃N₂NaO₅S
• CAS号: 3564-14-5
• 分子量: 416.38
• 分類程式碼代碼: 12352107
• 酶委員會索引編號: 222-639-6
• NACRES: NA.21

属性

• product name: Eriochrome blue-black B (C.I. 14640), metal indicator
• 品質等級: 200
• 形狀: solid
• 效力: >5000 mg/kg LD₅₀, oral (Rat)
• 損耗: ≤10% loss on drying, 110°C
• pH值: 9.5 (20 °C, 10 g/L in H₂O)
• 溶解度: 20 g/L
• 體積密度: 540 kg/m³
• λmax: 634-644 nm (buffer pH 10.0)
• 儲存溫度: 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 密鑰: YRFCCVCSEVISHI-GXTSIBQPSA-M

说明

應用

• 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).

分析報告

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

安全信息

• 象形圖: GHS07
• 訊號詞: Warning
• 危險聲明: H319
• 防範說明: P264 - P280 - P305 + P351 + P338 - P337 + P313
• 危險分類: Eye Irrit. 2
• 儲存類別代碼: 11 - Combustible Solids
• 水污染物質分類（WGK）: WGK 3
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable