产品价格
| 产品编号 | 品牌 | 纯度规格 | 包装单位 | 单价(元) | 现货 |
| 3175421 | Sigma-Aldrich | indicator grade, Dye content 85 % | 1 G | 536 | 请咨询 |
| 3175421 | Sigma-Aldrich | indicator grade, Dye content 85 % | 5 G | 1350 | 请咨询 |
| 3479473 | Alfa Aesar | indicator grade, Dye content 85 % | 25g | 5690 | 请咨询 |
| 3479473 | Alfa Aesar | indicator grade, Dye content 85 % | 5g | 1700 | 请咨询 |
| 3488472 | Ryon | IND，85% | 25克 | 1035 | 请咨询 |
| 3488472 | Ryon | IND，85% | 5克 | 240 | 请咨询 |
结构式
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基本信息
| Empirical Formula【经验(实验)分子式】 | C16H8N4Na2O11S2 |
| Molecular weight | 542.36 |
| Colour Index Number【颜色索引号】 | 14890 |
| EC number【EC 号】 | 226-549-8 |
| MDL number | MFCD00003938 |
| PubChem Substance ID【PubChem化学物质编号】 | 24851961 |
| NACRES | NA.47 |
| Application【应用】 | Nitrazine Yellow has been used in dye-protein binding assay. |
| Biochem/physiol Actions【生化/生理作用】 | Nitrazine Yellow ( 2-(2,4-dinitrophenylazo)-1-hydroxynaphthalene-3,6-disulfonic acid disodium salt) is a pH-sensitive azo dye. It changes color from yellow to blue in pH range 6.0–7.0 and is widely used in microscopy. Throat swab immersed in nitrazine yellow is used to identify pH variations in the vagina before and after amniotomy. |
产品性质
| Quality Level【质量水平】 | 100 |
| grade【等级】 | indicator grade |
| Assay【测定】 | >90.0% (HPLC) |
| form【形式】 | powder |
| composition【组成】 | Dye content, 85% |
| solubility【溶解性】 | H2O: 1 mg/mL |
| λmax | 586 nm |
| ε (extinction coefficient) | ≥35000 at 587-591 nm in 0.1 M NaOH at 0.01 g/L |
| application(s) | diagnostic assay manufacturing hematology histology |
| storage temp.【储存温度】 | room temp |
| SMILES string | [Na+].[Na+].Oc1c(\N=N\c2ccc(cc2[N+]([O-])=O)[N+]([O-])=O)c(cc3cc(ccc13)S([O-])(=O)=O)S([O-])(=O)=O |
| InChI | 1S/C16H10N4O11S2.2Na/c21-16-11-3-2-10(32(26,27)28)5-8(11)6-14(33(29,30)31)15(16)18-17-12-4-1-9(19(22)23)7-13(12)20(24)25;;/h1-7,21H,(H,26,27,28)(H,29,30,31);;/q;2*+1/p-2/b18-17+;; |
| InChI key | XBLIFEQTVVSTIM-QIKYXUGXSA-L |
| packaging【包装】 | 1, 5 g in glass bottle |
安全信息
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 3 |
| Personal Protective Equipment【个人防护装备】 | Eyeshields, Gloves, type N95 (US) |