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/T 1274-2011 化学试剂 磷酸二氢钾
Product No. : CD101144
Product Name : Potassium dihydrogen phosphate
Product Spec. : 分析纯 AR,≥99.5%
Packges : 100g 500g 1kg 25kg
CAS号 : 7778-77-0
分子式 : KH2PO4
分子量 : 136.09
酶学委员会编号 : 231-913-4
MDL编号 : MFCD00011401
颜色外观 Color Appearance : 白色晶体 White crystal
含量 Assay(KH2PO4) : ≥99.5%
pH 值 pH value(50g/L solution,25℃) : 4.2~4.5
澄清度试验 Clarity of solution : 合格 Pass
水中不溶物 Insoluble matter in water : ≤0.002%
干燥失重 Loss on drying : ≤0.2%
氯化物 Chloride(Cl) : ≤0.001%
硫酸盐 Sulfate(SO4) : ≤0.003%
总氮 Total nitrogen(N) : ≤0.001%
砷 Arsenic(As) : ≤0.0003%
钠 Sodium(Na) : ≤0.02%
铁 Iron(Fe) : ≤0.001%
重金属（以 Pb 计）Heavy metals(as Pb) : ≤0.001%
熔点 Melting point : 252.6 °C
Shelf Life ： 730 Days
COA ： Have COA
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