PX1565

磷酸钾 一元

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

• 别名: prim.-磷酸钾, 磷酸二氢钾
• 线性分子式: KH₂PO₄
• CAS号: 7778-77-0
• 分子量: 136.09
• MDL编号: MFCD00011401
• UNSPSC代码: 12352302
• EC索引号: 231-913-4

属性

• 等级: ACS reagent
• 质量水平: 200
• Agency: meets USP/NF
• 方案: ≥99% (acidimetric)
• 表单: crystals
• 杂质: ≤0.01% Insoluble matter
• 缺失: ≤ 0.2% loss on drying, 105°C
• 颜色: white
• pH值（酸碱度）: 4.2-4.6 (20 °C, 20 g/L in H₂O)
• mp: 252.6 °C (lit.)
• 溶解性: soluble 208 g/L
• 密度: 2.338 g/mL at 25 °C (lit.)
• 痕量阴离子: chloride (Cl^-): ≤0.001%; sulfate (SO₄^2-): ≤0.003%
• 痕量阳离子: Fe: ≤0.002%; Na: ≤0.005%; heavy metals: ≤0.001%
• 运输: ambient
• 储存温度: room temp
• SMILES字符串: [K+].OP(O)([O-])=O
• InChI: 1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
• InChI key: GNSKLFRGEWLPPA-UHFFFAOYSA-M

说明

应用

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

分析说明

Assay (acidimetric)99.0% minChloride (Cl)0.001% maxColorWhiteFormCrystalsHeavy Metals (by ICP-OES)0.001% maxInsoluble matter0.01% maxIron (Fe)0.002% maxLoss on drying (105°C)0.2% maxSodium (Na)0.005% maxSulfate (SO4)0.003% maxpH of a 5% solution at 25°C4.1-4.5

安全信息

• 储存分类代码: 11 - Combustible Solids
• WGK: WGK 1
• 闪点(°F): Not applicable
• 闪点(°C): Not applicable