Sodium tetraborate decahydrate - 31457

Code: 31457
Sodium tetraborate decahydrate
Puriss. p.a., ACS Reagent, Reagent ISO, buffer substance, ≥99.5%
Borax decahydrate; Sodium borate decahydrate
≥99.5%, ACS Reagent, Reag. ISO, Buffer substance 

CAS Number: 1303-96-4
Linear Formula: Na2B4O7 · 10H2O
Molar Mass: 381.37 g/mol
MDL Number: MFCD00149193
Catalog Number Packaging Size Container type Price QTY Cart
31457-100G 100G PLASTIC BOTTLE Contact
31457-500G 500G PLASTIC BOTTLE Contact
31457-1KG 1KG PLASTIC BOTTLE Contact
31457-5KG 5KG PLASTIC BOTTLE Contact
31457-25KG 25KG FIBERBOARD BOX Contact
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Specifications

Property Value
Assay min. 99.5 %
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 %
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Physical Properties

Property Value
Boiling point 1,575 °C
Freezing point >= 62 °C
Density 1.7 g/cm3
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Safety Information

Property Value
GHS Classification Health Hazard
Signal Word Danger
Hazard Statement(s) H360FD
Precautionary Statement(s) P201
P280