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72001

Supelco

Borax Anhydrous

anhydrous, decomposing agent (for x-ray fluorescence analysis), ≥99%

Synonym(s):

Sodium tetraborate

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About This Item

Linear Formula:
Na2B4O7
CAS Number:
1330-43-4
Molecular Weight:
201.22
EC Number:
215-540-4
MDL number:
MFCD00081185
UNSPSC Code:
12000000
PubChem Substance ID:
329763690
NACRES:
NA.21

grade

decomposing agent (for x-ray fluorescence analysis)

Quality Level

100

Assay

≥99%

form

crystals

loss

≤1% loss on ignition, 800 °C

anion traces

chloride (Cl-): ≤50 mg/kg
phosphate (PO43-): ≤20 mg/kg
silicate (as SiO2): ≤500 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Ba: ≤10 mg/kg
Ca: ≤10 mg/kg
Cd: ≤2 mg/kg
Co: ≤2 mg/kg
Cr: ≤2 mg/kg
Cu: ≤2 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Ni: ≤2 mg/kg
Pb: ≤2 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

application(s)

forensics and toxicology

SMILES string

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

InChI

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

InChI key

UQGFMSUEHSUPRD-UHFFFAOYSA-N

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Other Notes

this product will be discontinued, please find the alternative product here :
106306

Legal Information

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Danger

Hazard Statements

H319,H360FD

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCBK8538V
1137285V
1137285
392136/1
358772/1

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Tatiana S Fukuji et al.
Journal of pharmaceutical and biomedical analysis, 51(2), 430-438 (2009-06-24)
In this work, the separation of nine phenolic acids (benzoic, caffeic, chlorogenic, p-coumaric, ferulic, gallic, protocatechuic, syringic, and vanillic acid) was approached by a 3(2) factorial design in electrolytes consisting of sodium tetraborate buffer (STB) in the concentration range of
Danyue Zhao et al.
Electrophoresis, 33(15), 2424-2432 (2012-08-14)
An efficient and sensitive method for the separation and determination of three essential amino acids and three B vitamins by CE-LIF with a simultaneous derivatization procedure was developed. The conditions for derivatization and separation of these micronutrients were investigated. FITC
Shao-Qiang Hu et al.
Electrophoresis, 34(2), 260-268 (2012-11-20)
Based on the investigation of the effect of microemulsion charge on the chiral separation, a new chiral separation method with MEEKC employing neutral microemulsion was established. The method used a microemulsion containing 3.0% (w/v) neutral surfactant Tween 20 and 0.8%
Kate E Archibald et al.
American journal of veterinary research, 75(10), 929-936 (2014-09-26)
To establish a nonterminal semen collection method for use in captive Chilean rose tarantulas (Grammostola rosea) and to evaluate tools for investigating morphology and viability of spermatozoa. 7 mature male Chilean rose tarantulas. Each tarantula was anesthetized in a 500-mL
Dušan Koval et al.
Analytical biochemistry, 413(1), 8-15 (2011-02-09)
Two capillary electrophoretic methods were developed and evaluated for measurement of glycated hemoglobin A1c (HbA1c). First, a capillary electrophoresis analysis is performed with a sodium tetraborate buffer (pH 9.3) as background electrolyte in a neutrally coated capillary. HbA1c is separated
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