产品名称９/div>
7558-79-4
di-Sodium hydrogen phosphate
Sodium hydrogenphosphate
Disodium phosphate
Disodium hydrogen phosphate
Sodium phosphate dibasic
sec-Sodium phosphate
磷酸氢二钟br />磷酸一氢钠
磷酸钠二 二元
产品介绍９/div>
产品说明
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 (SO?): 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
法律信息
SUPRAPUR 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 |
100 |
| 等级 |
for inorganic trace analysis |
| 测定 |
99.99% |
| 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 |
| 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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