产品说明
分析说明
Assay (acidimetric): ≥ 99.0 %
Identity: passes test
Insoluble matter: ≤ 0.01 %
pH-value (5 %; water): 5.2 - 9.2
Chloride (Cl): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.001 %
Total nitrogen (N): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.01 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.002 %
Mg (Magnesium): ≤ 0.001 %
Loss on ignition (800 °C): ≤ 0.5 %
Particle size (250-2000 µm): ≥ 85 %
Corresponds to ACS
法律信息
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
| 线性分子式 | Na2SO4 |
| 分子量 | 142.04 |
| MDL编号 | MFCD00003504 |
| EC索引号 | 231-820-9 |
产品性质
| 质量水平 | 300 |
| 等级 | ACS reagent |
| 测定 | ≥99.0% (acidimetric) |
| 形式 | solid |
| 效能 | >2000 mg/kg LD50, oral (Rat) |
| pH值(酸碱度) | 5.2-8.0 (20 ℃, 50 g/L in H2O) |
| mp | 884 ℃ (lit.) |
| 溶解性 | 200 g/L |
| 密度 | 2.68 g/mL at 25 ℃ (lit.) |
| 堆积密度 | 1400‑1600 kg/m3 |
| 痕量阴离子 | chloride (Cl-): ≤0.001% phosphate (PO43-): ≤0.001% |
| 痕量阳离子 | As: ≤ 0.0001% Ca: ≤ 0.01% Fe: ≤ 0.0005% K: ≤ 0.002% Mg: ≤ 0.001% N: ≤ 0.0005% heavy metals (as Pb): ≤ 0.0005% |
| 储存温度 | 2-30℃ |
| SMILES string | [Na+].[Na+].[O-]S([O-])(=O)=O |
| InChI | 1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2 |
| InChI key | PMZURENOXWZQFD-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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