This product can be used for titration analysis, qualitative and quantitative analysis, etc. It should be stored in a cool, ventilated place, sealed, and used within its expiration date. To obtain the product's Certificate of Analysis (COA), please visit www.howeipharm.com to view and download it.
Standard : GB 1257-2007 工作基准试剂 邻苯二甲酸氢钾
Product No. : CD101294
Product Name : Potassium hydrogen phthalate
Product Spec. : PT
Packges : 1g 10g 100g 500g
CAS号 : 877-24-7
分子式 : HOOCC6H4COOK
分子量 : 204.22
贝尔斯坦(Beilstein)注册号 : 3637128
酶学委员会编号 : 212-889-4
MDL编号 : MFCD00013070
颜色外观 Color Appearance : 无色结晶或白色结晶粉末 Colorless crystal or white crystal powder
含量 Assay(C8H5O4 K) : ≥99.95%
pH 值 pH-value(50g/L solution,25℃) : 3.8~4.1
澄清度试验 Clarity of solution : 合格 Pass
水中不溶物 Insoluble matter in water : ≤0.003%
氯化物 Chloride(Cl) : ≤0.002%
硫化物（以 SO4 计）Sulfide(as SO4) : ≤0.006%
钠 Sodium(Na) : ≤0.005%
铁 Iron(Fe) : ≤0.0005%
重金属（以 Pb 计）Heavy metals(as Pb) : ≤0.0005%
熔点 Melting point : 295-300 °C
Shelf Life ： 730 Days
COA ： Have COA
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