31457
Sodium tetraborate decahydrate
puriss. p.a., ACS reagent, reag. ISO, buffer substance, ≥99.5%
Synonym(s):
Borax decahydrate, Sodium borate decahydrate
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About This Item
Quality Level
agency
reag. ISO
grade
ACS reagent, puriss. p.a.
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
Application
- 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
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Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Repr. 1B
Storage Class
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
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
1303-96-4
1303-96-4
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