Skip to Content
MilliporeSigma
All Photos(1)

Documents

72001

Supelco

Borax Anhydrous

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

Synonym(s):

Sodium tetraborate

Sign Into View Organizational & Contract Pricing
All Photos(1)

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

Looking for similar products? Visit Product Comparison Guide

Other Notes

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

Legal Information

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

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_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

Choose from one of the most recent versions:

Certificates of Analysis (COA)

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

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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%
Ho-Yong Kim et al.
Environmental toxicology and chemistry, 30(6), 1297-1305 (2011-03-08)
Okara, an organic waste product obtained from soy milk production, was used with copper chloride or sodium borate to formulate new wood preservatives as a substitute for expensive wood preservatives, such as copper-azole-based preservatives and ammoniacal copper quaternary. Before formulating
Jamshed Iqbal et al.
Journal of chromatography. A, 1218(29), 4764-4771 (2011-06-15)
A simple, efficient, and highly sensitive in-line CE method was developed for the characterization and for inhibition studies of the nucleoside-metabolizing enzymes purine nucleoside phosphorylase (PNP) and adenosine deaminase (ADA) present in membrane preparations of human 1539 melanoma cells. After
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service