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 632-2008 化学试剂 十水合四硼酸钠(四硼酸钠)
Product No. : CD100516
Product Name : Sodium tetraborate decahydrate
Product Spec. : 分析纯 AR,≥99.5%
Packges : 100g 500g 1kg 25kg
分子式 : Na2B4O7 · 10H2O
分子量 : 381.37
EINECS 编号 : 215-540-4
MDL编号 : MFCD00149193
PubChem Substance ID : 24886340
CAS号 : 1303-96-4
颜色外观 Color Appearance : 白色细小晶体
含量 Assay(Na2B4O7·10H2O) : ≥99.5%
澄清度试验 Clarity of solution : ≤4
盐酸不溶物 Insoluble matter in hydrochloric acid : ≤0.005%
氯化物 Chloride(Cl) : ≤0.002%
硫酸盐 Sulfate(SO4) : ≤0.01%
磷酸盐 Phosphate(PO4) : ≤0.002%
钙 Calcium(Ca) : ≤0.005%
铁 Iron(Fe) : ≤0.0003%
铜 Copper(Cu) : ≤0.001%
铅 Lead(Pb) : ≤0.001%
熔点 Melting point, ℃ : 75 ℃
Shelf Life ： 730 Days
COA ： Have COA
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