您的位置：首页 > 产品中心 > 7558-79-4， 磷酸钠二元 二元
磷酸钠二元 二元
Sodium Phosphate, Dibasic, Molecular Biology Grade-CAS 7558-79-4-Calbiochem
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 |
| 4075171 | 250 G | 894 | |||
| 4075171 | 1 KG | 2250 |
产品别名
7558-79-4
磷酸钠二元 二元
Sodium Phosphate, Dibasic, Molecular Biology Grade-CAS 7558-79-4-Calbiochem
Na2HPO4
Sodium hydrogenphosphate
Disodium phosphate
Disodium hydrogen phosphate
Sodium phosphate dibasic
sec-Sodium phosphate
磷酸一氢钠
磷酸氢二钠
结构式
基本信息
| Linear Formula【线性分子式】 | Na2HPO4 |
| Molecular weight | 141.96 |
| MDL number | MFCD00003496 |
| General description【一般描述】 | Molecular biology reagent (absorbance: ≤0.01 at 260 nm and 280 nm). Useful in conjunction with Sodium Phosphate, Monobasic (Cat. No. 567545 or 567549) in the preparation of biological buffers. |
| Warning【警告】 | Toxicity: Irritant (B) |
| Legal Information【法律信息】 | CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany |
产品性质
| Quality Level【质量水平】 | 100 |
| Assay【测定】 | ≥99% (titration) |
| form【形式】 | solid |
| manufacturer/tradename | Calbiochem® |
| storage condition【储存条件】 | OK to freeze desiccated (hygroscopic) |
| color【颜色】 | white |
| pKa (25 ℃) | (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
| solubility【溶解性】 | water: 10% |
| cation traces【痕量阳离子】 | heavy metals (as Pb): ≤0.001% |
| absorption【吸光度】 | ≤0.01 at 260 nm ≤0.01 at 280 nm |
| foreign activity【异质活性】 | DNases, proteases, RNases, none detected |
| shipped in【运输】 | ambient |
| storage temp.【储存温度】 | 10-30℃ |
| SMILES string | [Na+].[Na+].[H]OP([O-])([O-])=O |
| InChI | 1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2 |
| InChI key | BNIILDVGGAEEIG-UHFFFAOYSA-L |
| packaging【包装】 | 1 kg in Glass bottle 250 g in Plastic ampoule |
安全信息
| Storage Class Code【储存分类代码】 | 13 - Non Combustible Solids |
| WGK | WGK 1 |
