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About This Item

Linear Formula:
Na2B4O7 · 10H2O
CAS Number:
Molecular Weight:
381.37
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NB.24
Form:
powder or crystals
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grade

ACS reagent
puriss. p.a.

Quality Level

Agency

reag. ISO

Assay

≥99.5%

form

powder or crystals

pH

9.0-9.6 (20 °C, 5%)

density

1.73 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤10 mg/kg
phosphate (PO43-): ≤10 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

As: ≤1 mg/kg
Ca: ≤50 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Pb: ≤5 mg/kg

SMILES string

O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2

InChI

1S/B4O7.2Na.10H2O/c5-1-7-3-9-2(6)10-4(8-1)11-3;;;;;;;;;;;;/h;;;10*1H2/q-2;2*+1;;;;;;;;;;

InChI key

CDMADVZSLOHIFP-UHFFFAOYSA-N

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Application

Sodium tetraborate decahydrate may be used in the following studies:
  • Modified carbazole method for the quantitive determination of hexuronic acids.
  • Quantitative estimation of aminoglycoside antibiotics (dihydrostreptomycin and streptomycin) by capillary electrophoresis coupled with UV detection.
  • To compose the buffer along with cholic acid sodium solution (pH 9.2) for micellar electrokinetic chromatographic (MEKC) quantification of pesticides.

Legal Information

Pictograms

Health hazardExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Repr. 1B

Storage Class Code

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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