di-Sodium tetraborate, anhydrous 98% for analysis

Supplier: THERMO FISHER SCIENTIFIC CHEMICALS

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ThermoScintific Chemicals

ThermoScintific Chemicals

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Synonyms: Borax, Sodium tetraborate

AC20629-0025 AC20629-1000 AC20629-5000

TS20629-0025EA 252 USD

TS20629-0025 TS20629-1000 TS20629-5000

di-Sodium tetraborate, anhydrous 98% for analysis

di-Sodium tetraborate

Formula: Na₂B₄O₇
MW: 201.22 g/mol
Boiling Pt: 1575 °C (760 mmHg)
Melting Pt: 741 °C
Storage Temperature: Ambient

MDL Number: MFCD00081185
CAS Number: 1330-43-4
EINECS: 215-540-4
REACH: 01-2119490790-32
Merck Index: 12,08733

Specification Test Results

Appearance	White Powder or crystals
Titration with HCl	≥97.5 %
Chloride (Cl)	≤500 ppm
Phosphate (PO4)	≤50 ppm
Calcium (Ca)	≤200 ppm
Copper (Cu)	≤50 ppm
Iron (Fe)	≤50 ppm
Lead (Pb)	≤50 ppm
Magnesium (Mg)	≤200 ppm
Nickel (Ni)	≤50 ppm
Potassium (K)	≤500 ppm
Heavy metals (as Pb)	≤50 ppm
Insoluble matter	≤0.05 % (in water)

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