产品介绍：
产品说明
应用
磷酸氢二钠已用于制备磷酸盐缓冲液，该缓冲液可用于X-gal染色。
生化/生理作用
磷酸氢二钠是变性凝胶电泳缓冲液的重要组分。 它能够诱导Sprague-Dawley大鼠的肾小球钙化以及其他肾病综合征。
基本信息
| 线性分子式 | Na2HPO4 |
| 分子量 | 141.96 |
| EC 号 | 231-448-7 |
| MDL编号 | MFCD00003496 |
| eCl@ss | 38070211 |
| PubChem化学物质编号 | 329747909 |
| NACRES | NA.25 |
产品性质
| 质量水平 | 200 |
| agency | meets analytical specifications of BP meets analytical specifications of Ph. Eur. meets analytical specifications of USP |
| 等级 | puriss. |
| 测定 | 98-100.5% (calc. to the dried substance) |
| 形式 | powder |
| 质量 | meets analytical specification of Ph. Eur., BP, USP, FCC, E 339 |
| 杂质 | reducing matter, complies residual solvents, complies ≤0.001% heavy metals (as Pb) ≤0.002% ammonium (NH4) ≤0.2% water-insoluble matter ≤1% NaH2PO4 (calc. to dried subst.) ≤2.0% pyrophosphate (as Na4P2O7) |
| 缺失 | ≤1% loss on drying, 105℃, 4h ≤1% loss on drying, 130 ℃ |
| pH值(酸碱度) | 8.4-9.6 (20 ℃, 1%) |
| pKa (25 ℃) | (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
| 溶解性 | H2O: soluble 8 parts H2O: very soluble (Hot) alcohol: insoluble |
| 痕量阴离子 | chloride (Cl-): ≤50 mg/kg fluoride (F-): ≤10 mg/kg sulfate (SO42-): ≤200 mg/kg |
| 痕量阳离子 | As: ≤2 mg/kg Cd: ≤1 mg/kg Cu: ≤10 mg/kg Fe: ≤20 mg/kg Hg: ≤1 mg/kg Pb: ≤4 mg/kg Zn: ≤10 mg/kg |
| 适用性 | complies for appearance of solution |
| 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 |
安全信息
| 储存分类代码 | 13 - Non Combustible Solids |
| WGK | WGK 1 |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
