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磷酸氢二钠
di-Sodium hydrogen phosphate
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| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4058189 | 100 G | 5610 | |||
| 4058189 | 500 G | 15230 |
产品别名
7558-79-4
磷酸氢二钠
di-Sodium hydrogen phosphate
Sodium hydrogenphosphate
Disodium phosphate
Disodium hydrogen phosphate
Sodium phosphate dibasic
sec-Sodium phosphate
磷酸一氢钠
磷酸钠二元 二元
结构式
基本信息
| Linear Formula【线性分子式】 | Na2HPO4 |
| Molecular weight | 141.96 |
| MDL number | MFCD00003496 |
| EC Index Number【EC索引号】 | 231-448-7 |
| Analysis Note【分析说明】 | Purity (metallic): ≥ 99.99 % Assay (acidimetric): ≥ 99.0 % Absorbance (at 260 nm; 10 %; 2 cm; water): ≤ 0.010 Chloride (Cl): ≤ 5 ppm Sulfate (SO₄): ≤ 30 ppm Total nitrogen (N): ≤ 10 ppm As (Arsenic): ≤ 0.1 ppm Ba (Barium): ≤ 10.0 ppm Ca (Calcium): ≤ 0.50 ppm Cd (Cadmium): ≤ 0.010 ppm Ce (Cerium): ≤ 0.010 ppm Co (Cobalt): ≤ 0.010 ppm Cr (Chromium): ≤ 0.050 ppm Cs (Cesium): ≤ 5 ppm Cu (Copper): ≤ 0.010 ppm Eu (Europium): ≤ 0.010 ppm Fe (Iron): ≤ 0.05 ppm Hg (Mercury): ≤ 0.05 ppm K (Potassium): ≤ 2.0 ppm La (Lanthanum): ≤ 0.010 ppm Li (Lithium): ≤ 1.0 ppm Mg (Magnesium): ≤ 0.10 ppm Mn (Manganese): ≤ 0.010 ppm Ni (Nickel): ≤ 0.050 ppm Pb (Lead): ≤ 0.010 ppm Rb (Rubidium): ≤ 5.0 ppm Sm (Samarium): ≤ 0.010 ppm Sr (Strontium): ≤ 0.50 ppm Tl (Thallium): ≤ 0.01 ppm Y (Yttrium): ≤ 0.010 ppm Yb (Ytterbium): ≤ 0.010 ppm Zn (Zinc): ≤ 0.050 ppm |
| Legal Information【法律信息】 | SUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, Germany |
产品性质
| Quality Level【质量水平】 | 100 |
| grade【等级】 | for inorganic trace analysis |
| Assay【测定】 | 99.99% |
| potency【效能】 | >2000 mg/kg LD50, oral (Rat) |
| pH【pH值(酸碱度)】 | 8.7-9.3 (20 ℃, 10 g/L in H2O) |
| pKa (25 ℃) | (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
| mp | 250 ℃ (decomposition) |
| solubility【溶解性】 | 77 g/L |
| bulk density【堆积密度】 | 880 kg/m3 |
| storage temp.【储存温度】 | 2-30℃ |
| 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 |
安全信息
| Storage Class Code【储存分类代码】 | 13 - Non Combustible Solids |
| WGK | WGK 1 |
