PX1405

氯化钾

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

• 线性分子式: KCl
• CAS号: 7447-40-7
• 分子量: 74.55
• MDL编号: MFCD00011360
• UNSPSC代码: 12352302
• EC索引号: 231-211-8

属性

• 等级: ACS reagent
• 质量水平: 200
• Agency: meets USP/NF
• 方案: 99.0-100.5% (silver nitrate titration)
• 表单: crystals
• 杂质: ≤0.005% Insoluble matter
• 颜色: white
• pH值（酸碱度）: 5.5-8.0 (25 °C, 50 g/L in H₂O)
• 沸点: 1413 °C/1013 hPa
• mp: 770 °C (lit.)
• 密度: 1.98 g/mL at 25 °C (lit.)
• 痕量阴离子: bromide (Br^-): ≤0.01%; chlorate, nitrate (as NO₃^-): ≤0.003%; iodide (I^-): ≤0.002%; phosphate (PO₄^3-): ≤5 ppm; sulfate (SO₄^2-): ≤0.001%
• 痕量阳离子: Ba: ≤0.001%, passes test; Ca: ≤0.002%; Fe: ≤3 ppm; Mg: ≤0.001%; Na: ≤0.005%; heavy metals (as Pb): ≤5 ppm
• 运输: ambient
• 储存温度: room temp
• SMILES字符串: [Cl-].[K+]
• InChI: 1S/ClH.K/h1H;/q;+1/p-1
• InChI key: WCUXLLCKKVVCTQ-UHFFFAOYSA-M

说明

应用

可用于磷酸盐缓冲液制备，以及蛋白提取和溶解。

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

分析说明

Assay (argentometric)99.0-100.5%Barium (Ba)Passes test (Limit about 0.001%)Bromide (Br)0.01% maxCalcium (Ca)0.002% maxChlorate and nitrate (as NO3)0.003% maxColorWhiteFormCrystalsHeavy metals (as Pb)5ppm maxInsoluble matter0.005% maxIodide (I)0.002% maxIron (Fe)3ppm maxMagnesium (Mg)0.001% maxPhosphate (PO4)5ppm maxSodium (Na)0.005% maxSulfate (SO4)0.001% maxpH of a 5% solution at 25°C5.4-8.6

安全信息

• 储存分类代码: 13 - Non Combustible Solids
• WGK: WGK 1