di-Sodium tetraborate decahydrate ≥99.5%, Puriss. p.a. ISO, ACS buffer substance, Fluka™
Supplier: Honeywell Chemicals
Certificates
About this item
Synonyms: Borax tetra, Sodium tetraborate decahydrate, Sodium Borate decahydrate
CAS Number:1303-96-4
:
Formula:Na₂B₄O₇·10H₂O
MDL Number:MFCD00149193
:381.37 g/mol
Merck Index:13,08662
Boiling Pt:320 °C (1013 hPa)
Melting Pt:742 °C (anhy.) ≥ 62 °C (–H₂O of crystall.)
Density:1.7 g/cm³
Storage Temperature:Ambient
EINECS:215-540-4
REACH:01-2119490790-32
:GHS08
Specifications
- Environmentally Preferable:
Specifications
Specification Test Results
- Assay:99.5 - 105.0 %
- Water insoluble matter:Max. 0.001 %
- pH (5 %, 20°C):9.0 - 9.6
- pH (0.01 m, 25°C):9.15 - 9.20
- Arsenic (As):Max. 0.0001 %
- Calcium (Ca):Max. 0.005 %
- Copper (Cu):Max. 0.0005 %
- Iron (Fe):Max. 0.0005 %
- Lead (Pb):Max. 0.0005 %
- Heavy metals (as Pb):Max. 0.001 %
- Chloride (Cl):Max. 0.001 %
- Phosphate (PO₄):Max. 0.001 %
- Sulfate (SO₄):Max. 0.005 %
Specification Test Results
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