di-Sodium tetraborate, anhydrous 98% for analysis
Supplier: Thermo Fisher Scientific
Certificates
About this item
Synonyms: Borax, Sodium tetraborate
CAS Number:1330-43-4
:
Formula:Na₂B₄O₇
MDL Number:MFCD00081185
:201.22 g/mol
Merck Index:12,08733
Boiling Pt:1575 °C (760 mmHg)
Melting Pt:741 °C
Density:2,38 g/cm³ (20 °C)
Storage Temperature:Ambient
EINECS:215-540-4
REACH:01-2119490790-32
:GHS08
:GHS07
Specifications
- Environmentally Preferable:
Specifications
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)
Specification Test Results
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