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S9640 | CAS:1303-96-4 | Sodium tetraborate decahydrate | 四硼酸钠
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S9640 Sodium tetraborate decahydrate
Sigma-Aldrich ACS reagent, ≥99.5%
窗体底端
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货号
号 |
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您的价格
RMB |
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S9640-25G |
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321.75 |
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S9640-500G |
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553.41 |
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S9640-2.5KG |
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1,016.73 |
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S9640-6X500G |
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2,059.20 |
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S9640-4X2.5KG |
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2,947.23 |
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Synonym: |
Borax decahydrate, Sodium borate decahydrate |
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CAS Number: |
1303-96-4 |
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Linear Formula: |
Na2B4O7 · 10H2O |
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Molecular Weight: |
381.37 |
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EC Number: |
215-540-4 |
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MDL number: |
MFCD00149193 |
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PubChem Substance ID: |
24899850 |
性质
| grade |
ACS reagent |
| assay |
≥99.5% |
| total impurities |
≤0.005% Insoluble matter |
| pH |
9.15-9.20 (25 °C, 0.01 M in solution) |
| density |
1.73 g/mL at 25 °C(lit.) |
| anion traces |
chloride (Cl-): ≤0.001% |
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phosphate (PO43-): ≤0.001% |
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sulfate (SO42-): ≤0.005% |
| cation traces |
Ca: ≤0.005% |
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Fe: ≤5 ppm |
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heavy metals (as Pb): ≤0.001% |
安全性
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