di-Sodium tetraborate, anhydrous ≥98%, AnalaR NORMAPUR®

Supplier: VWR Chemicals
Danger

Synonyms: Borax, Sodium tetraborate

VWRC87097.230EA 131 SGD
VWRC87097.230 VWRC87097.290 VWRC87097.460
di-Sodium tetraborate, anhydrous ≥98%, AnalaR NORMAPUR®
di-Sodium tetraborate
Formula: Na₂B₄O₇
MW: 201,22 g/mol
Boiling Pt: 1575 °C (1013 hPa)
Melting Pt: 742 °C
Density: 2,38 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00081185
CAS Number: 1330-43-4
EINECS: 215-540-4
REACH: 01-2119490790-32
Merck Index: 12,08733

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Specification Test Results

Assay (acidimetric) min. 98 %
Insoluble in water max. 0,05 %
Chlorides (Cl) max. 0,05 %
Phosphates (as PO4) max. 0,005 %
Sulfates (SO4) max. 0,05 %
Calcium (Ca) max. 0,02 %
Copper (Cu) max. 0,005 %
Heavy metals (as Pb) max. 0,005 %
Iron (Fe) max. 0,005 %
Lead (Pb) max. 0,005 %
Magnesium (Mg) max. 0,02 %
Nickel (Ni) max. 0,005 %
Potassium (K) max. 0,05 %

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