S9640
Fluka

Sodium tetraborate decahydrate

SKU
S9640
ACS Reagent, ≥99.5%
Synonym(s)
Borax decahydrate; Sodium borate decahydrate
Only %1 left
General Information:
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Brand
Fluka
CAS Numbers (All) EC Number Linear Formula
Na2B4O7 · 10H2O
MDL Number
Molar Mass
381.37 g/mol
RTECS Number
215-540-4
Synonyms
Borax decahydrate; Sodium borate decahydrate

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Specifications

PropertyValue
assay99.5 - 105.0 %
pH (0.01 m, 25°C)9.15 - 9.20
water insoluble matterMax. 0.005 %
calcium (Ca)Max. 50 ppm
iron (Fe)Max. 5 ppm
sulfate (SO4)Max. 50 ppm
heavy metals (as Pb)Max. 0.001 %
chloride (Cl)Max. 10 ppm
phosphate (PO4)Max. 10 ppm

Properties

PropertyValue
CertificationACS Reagent
ColorColorless
Density1.7 g/cm3
FlashpointNot applicable
FormSolid
GradeACS Grade
Incompatible MaterialsStrong reducing agents, Strong oxidizing agents
Lower Explosion LimitNot applicable
Melting Point/Range>= 62 °C.Elimination of water of crystallisation.742 °C.anhydrous substance
Partition CoefficientNo data available
Purity Percentage99.50
Purity Details>=99.50%
Solubility in Water49.74 g/l (20 °C)
Upper Explosion LimitNot applicable
ViscosityNo data available
pH-Value9-10 (20 °C) (as aqueous solution)
Storage TemperatureAmbient

Safety Information

PropertyValue
Hazard ClassN/A
Package GroupN/A
UN IDN/A
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