产品介绍：
产品说明
分析说明
Assay (alkalimetric): ≥ 99.5 %
Insoluble matter: ≤ 0.001 %
pH-value (5 %; water, 25 °C): 5.0 - 6.0
Chloride (Cl): ≤ 0.0003 %
Nitrate (NO₃): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.0005 %
Heavy metals (ACS): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.000075 %
As (Arsenic): ≤ 0.00002 %
Ca (Calcium): ≤ 0.001 %
Cd (Cadmium): ≤ 0.0001 %
Cr (Chromium): ≤ 0.000075 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.0002 %
Mg (Magnesium): ≤ 0.0005 %
Pb (Lead): ≤ 0.0002 %
Zn (Zinc): ≤ 0.0001 %
Residue on ignition (as sulfate): ≤ 0.005 %
Loss on Drying (105 °C): ≤ 0.1 %
Corresponds to ACS,ISO,Reag. Ph Eur
法律信息
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
| 线性分子式 | (NH4)2SO4 |
| 分子量 | 132.14 |
| MDL编号 | MFCD00003391 |
| EC索引号 | 231-984-1 |
产品性质
| 质量水平 | 300 |
| 等级 | ACS reagent |
| 机构 | reag. ISO reag. Ph. Eur. |
| 蒸汽压 | <1 Pa ( 25 ℃) |
| 测定 | ≥99.5% (alkalimetric) |
| 形式 | solid |
| 效能 | 2840 mg/kg LD50, oral (Rat) |
| 灼烧残渣 | ≤0.005% (as sulfate) |
| pH值(酸碱度) | 5 (100 g/L in H2O) |
| mp | >280 ℃ (dec.) (lit.) |
| 溶解性 | 754-764 g/L |
| 密度 | 1.77 g/mL at 25 ℃ (lit.) |
| 堆积密度 | 850 kg/m3 |
| 痕量阴离子 | chloride (Cl-): ≤0.0003% nitrate (NO3-): ≤0.001% phosphate (PO43-): ≤0.0005% |
| 痕量阳离子 | Al: ≤ 0.000075% As: ≤ 0.00002% Ca: ≤ 0.001% Cd: ≤ 0.0001% Cr: ≤ 0.000075% Cu: ≤ 0.0002% Fe: ≤ 0.0002% Mg: ≤ 0.0005% Pb: ≤ 0.0002% Zn: ≤ 0.0001% heavy metals: ≤ 0.0005% heavy metals (as Pb): ≤ 0.0005% |
| 储存温度 | 2-30℃ |
| SMILES string | N.N.OS(O)(=O)=O |
| InChI | 1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4) |
| InChI key | BFNBIHQBYMNNAN-UHFFFAOYSA-N |
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 |
