基本信息
| 线性分子式 | K2S2O5 |
| 分子量 | 222.32 |
| EC 号 | 240-795-3 |
| MDL编号 | MFCD00167605 |
| PubChem化学物质编号 | 329749774 |
| NACRES | NA.21 |
半岛bd体育手机客户端 性质
| 等级 | puriss. |
| 质量水平 | 100 |
| 测定 | 95.0-101.0% (iodometric) |
| 形式 | powder |
| 质量 | meets analytical specification of Ph.Eur., BP, NF, FCC, E224 |
| 杂质 | organic volatile impurities, complies (GC) residual solvents, in accordance ≤0.001% heavy metals (as Pb) ≤0.08% thiosulfate (S2O3) 51.8-57.6% sulfur dioxide |
| pH值(酸碱度) | 3.5-4.5 (20 ℃, 5%) |
| 痕量阴离子 | chloride (Cl-): ≤100 mg/kg |
| 痕量阳离子 | As: ≤2 mg/kg Cu: ≤20 mg/kg Fe: ≤10 mg/kg Hg: ≤1 mg/kg Pb: ≤2 mg/kg Se: ≤5 mg/kg Zn: ≤20 mg/kg |
| 适用性 | in accordance for appearance of solution |
| SMILES string | [K+].[K+].[O-]S(=O)S([O-])(=O)=O |
| InChI | 1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2 |
| InChI key | RWPGFSMJFRPDDP-UHFFFAOYSA-L |
安全信息
| 象形图 |   |
| 警示用语： | Danger |
| 危险声明 | H318 - H335 |
| 预防措施声明 | P280 - P305 + P351 + P338 + P310 |
| 危险分类 | Eye Dam. 1 - STOT SE 3 |
| 靶器官 | Respiratory system |
| 补充剂危害 | EUH031 |
| 储存分类代码 | 11 - Combustible Solids |
| WGK | WGK 1 |
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