基本信息
| 线性分子式 | Na2HPO4 · 2H2O |
| 分子量 | 177.99 |
| EC 号 | 231-448-7 |
| MDL编号 | MFCD00149182 |
| PubChem化学物质编号 | 329753513 |
| NACRES | NA.21 |
产品性质
| 质量水平 | 200 |
| agency | USP/NF reag. Ph. Eur. |
| 等级 | puriss. p.a. |
| 测定 | 98.5-101.0% (calc. to the dried substance) |
| 形式 | crystals |
| 杂质 | reducing impurities, complies ≤0.0005% heavy metals (as Pb) ≤0.001% total nitrogen (N) ≤0.5% NaH2PO4 (calc. to dried subst.) |
| 缺失 | 19.5-21.0% loss on drying, 130 ℃ |
| pH值(酸碱度) | 9.0-9.2 (20 ℃, 5%) |
| 痕量阴离子 | chloride (Cl-): ≤10 mg/kg sulfate (SO42-): ≤50 mg/kg |
| 痕量阳离子 | As: ≤0.5 mg/kg Fe: ≤5 mg/kg K: ≤50 mg/kg |
| 适用性 | in accordance for appearance of solution |
| SMILES string | O.O.[Na+].[Na+].OP([O-])([O-])=O |
| InChI | 1S/2Na.H3O4P.2H2O/c;;1-5(2,3)4;;/h;;(H3,1,2,3,4);2*1H2/q2*+1;;;/p-2 |
| InChI key | KDQPSPMLNJTZAL-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 |
Sigma-Aldrich
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