产品介绍：
基本信息
| 线性分子式 | (NH4)2SO4 |
| 分子量 | 132.14 |
| EC 号 | 231-984-1 |
| MDL编号 | MFCD00003391 |
| eCl@ss | 38030408 |
| PubChem化学物质编号 | 329753657 |
| NACRES | NA.21 |
产品性质
| 质量水平 | 200 |
| 等级 | ACS reagent puriss. p.a. |
| agency | USP/NF reag. ISO reag. Ph. Eur. |
| 测定 | ≥99% |
| 形式 | crystals |
| 杂质 | ≤0.005% in water insoluble matters ≤5 ppm heavy metals (by ICP-OES) |
| 灼烧残渣 | ≤0.005% (as SO4) |
| 缺失 | ≤0.1% loss on drying, 110 ℃ |
| pH值(酸碱度) | 5-6 (25 ℃, 5%) |
| mp | >280 ℃ (dec.) (lit.) |
| 密度 | 1.77 g/mL at 25 ℃ (lit.) |
| 痕量阴离子 | chloride (Cl-): ≤3 mg/kg nitrate (NO3-): ≤10 mg/kg phosphate (PO43-): ≤5 mg/kg |
| 痕量阳离子 | As: ≤0.2 mg/kg Ca: ≤10 mg/kg Cd: ≤1 mg/kg Co: ≤5 mg/kg Cr: ≤5 mg/kg Cu: ≤2 mg/kg Fe: ≤2 mg/kg K: ≤50 mg/kg Mg: ≤2 mg/kg Mn: ≤5 mg/kg Na: ≤20 mg/kg Ni: ≤5 mg/kg Pb: ≤2 mg/kg Zn: ≤1 mg/kg |
| 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 |
