基本信息
| 线性分子式 | Na2SO3 |
| 分子量 | 126.04 |
| EC 号 | 231-821-4 |
| MDL编号 | MFCD00003503 |
| PubChem化学物质编号 | 329752528 |
| NACRES | NA.21 |
产品性质
| 质量水平 | 200 |
| 等级 | ACS reagent |
| 测定 | ≥98.0% |
| 形式 | powder or crystals |
| 杂质 | Free acid, passes test ≤0.005% insolubles ≤0.03 meq/g Titr. free base |
| pH值(酸碱度) | 9.0-10.5 (25 ℃, 126 g/L) |
| 溶解性 | water: soluble 126 g/L at 20 ℃ |
| 痕量阴离子 | chloride (Cl-): ≤0.02% |
| 痕量阳离子 | Fe: ≤0.001% heavy metals (as Pb): ≤0.001% |
| SMILES string | [Na+].[Na+].[O-]S([O-])=O |
| InChI | 1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2 |
| InChI key | GEHJYWRUCIMESM-UHFFFAOYSA-L |
安全信息
| 补充剂危害 | EUH031 |
| 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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