产品说明
分析说明
Assay (acidimetric): ≥ 99.0 %
pH-value (5 %; water): 8.9 - 9.2
Chloride (Cl): ≤ 0.002 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.001 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.01 %
Particle size (0.2 - 1 mm): about 90 %
Loss on Drying (105 °C): ≤ 0.2 %
法律信息
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
| 线性分子式 | Na2HPO4 |
| 分子量 | 141.96 |
| MDL编号 | MFCD00003496 |
| EC索引号 | 231-448-7 |
产品性质
| 质量水平 | 300 |
| 测定 | ≥99.0% (acidimetric) |
| 形式 | solid |
| 效能 | >2000 mg/kg LD50, oral (Rat) |
| 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) |
| 溶解性 | 77 g/L |
| 堆积密度 | 880 kg/m3 |
| 痕量阴离子 | chloride (Cl-): ≤0.002% sulfate (SO42-): ≤0.005% |
| 痕量阳离子 | Fe: ≤ 0.001% K: ≤ 0.01% N: ≤ 0.001% heavy metals (as Pb): ≤ 0.001% |
| 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
| 储存分类代码 | 13 - Non Combustible Solids |
| WGK | WGK 1 |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
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