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Eriochrome blue-black B (C.I. 14640)
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4059944 | 25 G | 871 |
产品别名
3564-14-5
Eriochrome blue-black B (C.I. 14640)
2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-naphthalene-4-sulfonic acid sodium salt
基本信息
| Empirical Formula【经验(实验)分子式】 | C20H13N2NaO5S |
| Molecular weight | 416.38 |
| EC Index Number【EC索引号】 | 222-639-6 |
| Analysis Note【分析说明】 | Identity (UV/VIS-Spectrum): passes test Absorption maximum λmax. (buffer pH 10.0): 634 - 644 nm Spec. Absorptivity A 1%/1cm (λmax; 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 |
产品性质
| Quality Level【质量水平】 | 200 |
| potency【效能】 | >5000 mg/kg LD50, oral (Rat) |
| loss【缺失】 | ≤10% loss on drying, 110℃ |
| pH【pH值(酸碱度)】 | 9.5 (20 ℃, 10 g/L in H2O) |
| solubility【溶解性】 | 20 g/L |
| bulk density【堆积密度】 | 540 kg/m3 |
| storage temp.【储存温度】 | 15-25℃ |
| 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 |
安全信息
| Pictograms【象形图】 | GHS07 |
| Signal word【警示用语：】 | Warning |
| Hazard Statements | H319 |
| Precautionary Statements | P264 - P280 - P305 + P351 + P338 - P337 + P313 |
| Hazard Classifications【危险分类】 | Eye Irrit. 2 |
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 3 |
