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铬变素 2B
Chromotrope 2B
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 |
| 3425847 | 10 G | 481 | 2-5天 | 4-6周 |
产品别名
548-80-1
铬变素 2B
Chromotrope 2B
Acid Red 176
2-(4-Nitrophenylazo)chromotropic acid disodium salt
对硝基苯偶氮变色酸 二钠盐
酸性红 176
结构式
基本信息
| Empirical Formula【经验(实验)分子式】 | C16H9N3Na2O10S2 |
| Molecular weight | 513.37 |
| Colour Index Number【颜色索引号】 | 16575 |
| Beilstein | 4109733 |
| EC number【EC 号】 | 208-959-9 |
| MDL number | MFCD00003951 |
| PubChem Substance ID【PubChem化学物质编号】 | 329752979 |
| NACRES | MA.02 |
| Application【应用】 | Chromotrope 2B along with Chromotrope 2R, was used to give a highly colored radical anion, during the spectrophotometric determination of cephalosporins (cephadroxil (I), cephalexin (II) and cephradine (III)) in pharmaceutical products. It may be immobilized on AG 1-X8 ion exchange resin, used in flame atomic absorption spectrometry and inductively coupled plasma mass spectrometry (ICP-MS), done for the on-line preconcentration and determination of aluminium. |
产品性质
| Quality Level【质量水平】 | 100 |
| grade【等级】 | for microscopy |
| form【形式】 | powder or crystals |
| mp | 300 ℃ |
| solubility【溶解性】 | water: 10 mg/mL |
| ε (extinction coefficient) | ≥500 at 509-519 nm in water |
| application(s) | diagnostic assay manufacturing hematology histology |
| storage temp.【储存温度】 | room temp |
| SMILES string | [Na+].[Na+].Oc1cc(cc2cc(c(\N=N\c3ccc(cc3)[N+]([O-])=O)c(O)c12)S([O-])(=O)=O)S([O-])(=O)=O |
| InChI | 1S/C16H11N3O10S2.2Na/c20-12-7-11(30(24,25)26)5-8-6-13(31(27,28)29)15(16(21)14(8)12)18-17-9-1-3-10(4-2-9)19(22)23;;/h1-7,20-21H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b18-17+;; |
| InChI key | AXUUHWJXDWBCSG-QIKYXUGXSA-L |
安全信息
| Storage Class Code【储存分类代码】 | 13 - Non Combustible Solids |
| WGK | WGK 3 |
| Personal Protective Equipment【个人防护装备】 | dust mask type N95 (US), Eyeshields, Gloves |
