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Eriochrome black T (C.I. 14645)
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 |
| 4060354 | 25 G | 765 | |||
| 4060354 | 100 G | 2560 |
产品别名
1787-61-7
Eriochrome black T (C.I. 14645)
Chrome black T, 2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-6-nitronaphthalene-4-sulfonic acid sodium salt
基本信息
| Empirical Formula【经验(实验)分子式】 | C20H12N3NaO7S |
| Molecular weight | 461.38 |
| MDL number | MFCD00003935 |
| EC Index Number【EC索引号】 | 217-250-3 |
| Linkage【联系】 | Replaces: EX0100-5; EX0100 |
| Analysis Note【分析说明】 | Identity (UV/VIS-Spectrum): passes test Appearance: Black to dark brown-black fine powder, eventually with granular parts Clarity of solution: passes test Absorption maximum λmax. (buffer pH 10.0): 612 - 616 nm Spec. Absorptivity A 1%/1cm (λmax; 0.02 g/l; buffer pH 10.0; calc. on dried substance): 400 - 510 Loss on drying (110 °C): ≤ 7 % Suitability as indicator (for complexometric titration, ACS): passes test Suitability as indicator (Reag. Ph Eur): passes test |
产品性质
| Quality Level【质量水平】 | 200 |
| grade【等级】 | ACS reagent |
| agency | reag. Ph. Eur. |
| potency【效能】 | 17590 mg/kg LD50, oral (Rat) |
| loss【缺失】 | ≤7% loss on drying, 110℃ |
| pH【pH值(酸碱度)】 | 3.7 (20 ℃, 10 g/L in H2O) |
| solubility【溶解性】 | 50 g/L |
| bulk density【堆积密度】 | 400‑600 kg/m3 |
| storage temp.【储存温度】 | 15-25℃ |
| InChI | 1S/C20H13N3O7S.Na/c24-17-10-18(31(28,29)30)15-9-12(23(26)27)6-7-14(15)19(17)22-21-16-8-5-11-3-1-2-4-13(11)20(16)25;/h1-10,21,25H,(H,28,29,30);/q;+1/p-1/b22-19-; |
| InChI key | JHUJLRKQZAPSDP-GXTSIBQPSA-M |
安全信息
| Pictograms【象形图】 | GHS07,GHS09 |
| Signal word【警示用语：】 | Warning |
| Hazard Statements | H319 - H411 |
| Precautionary Statements | P264 - P273 - P280 - P305 + P351 + P338 - P337 + P313 - P391 |
| Hazard Classifications【危险分类】 | Aquatic Chronic 2 - Eye Irrit. 2 |
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 2 |
