产品说明
一般描述
Potassium phosphate dibasic trihydrate (K2HPO4.3H2O, Dipotassium hydrogen phosphate trihydrate, Dipotassium phosphate, di-Potassium hydrogen phosphate trihydrate) is the potassium salt having a pH in the range of 9.1-9.4.
基本信息
| 线性分子式 | K2HPO4 · 3H2O |
| 分子量 | 228.22 |
| EC 号 | 231-834-5 |
| MDL编号 | MFCD00149926 |
| PubChem化学物质编号 | 329758892 |
| NACRES | NA.21 |
产品性质
| 质量水平 | 200 |
| 等级 | puriss. p.a. |
| 测定 | ≥99.0% (T) |
| 形式 | crystals |
| 杂质 | ≤0.001% total nitrogen (N) |
| pH值(酸碱度) | 9.1-9.4 (25 ℃, 50 mg/mL in H2O) |
| 痕量阴离子 | chloride (Cl-): ≤20 mg/kg sulfate (SO42-): ≤50 mg/kg |
| 痕量阳离子 | As: ≤0.1 mg/kg Ca: ≤10 mg/kg Cd: ≤5 mg/kg Co: ≤5 mg/kg Cr: ≤5 mg/kg Cu: ≤5 mg/kg Fe: ≤5 mg/kg Mg: ≤5 mg/kg Mn: ≤5 mg/kg Na: ≤500 mg/kg Ni: ≤5 mg/kg Pb: ≤5 mg/kg Zn: ≤5 mg/kg |
| SMILES string | O.O.O.[K+].[K+].OP([O-])([O-])=O |
| InChI | 1S/2K.H3O4P.3H2O/c;;1-5(2,3)4;;;/h;;(H3,1,2,3,4);3*1H2/q2*+1;;;;/p-2 |
| InChI key | XQGPKZUNMMFTAL-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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