产品名称９/div>
7558-79-4
di-Sodium hydrogen phosphate anhydrous
Sodium hydrogenphosphate
Disodium phosphate
Disodium hydrogen phosphate
Sodium phosphate dibasic
sec-Sodium phosphate
磷酸钠二 二元
磷酸一氢钠
磷酸氢二钟br />
产品介绍９/div>
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 (SO?): 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 |
| 分子野/td> |
141.96 |
| MDL编号 |
MFCD00003496 |
| EC索引叶/td> |
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?酸碱? |
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?/td> |
77 g/L |
| 堆积密度 |
880 kg/m3 |
| 痕量阴离孏/td> |
chloride (Cl-): 0.002%
sulfate (SO42-): 0.005% |
| 痕量阳离孏/td> |
Fe: 0.001%
K: 0.01%
N: 0.001%
heavy metals (as Pb): 0.001% |
| 储存温度 |
2-30ℂ/td> |
| 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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