di-Natriumtetraborat Decahydrat 99,5-105,0, powder_white crystalline ACS

Lieferant: ICN Biomedicals
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Synonyms: Borax tetra, Sodium tetraborate decahydrate, Sodium Borate decahydrate

02191436.5 0219143601 0219143605
ICNA02191436.5EA 54.9 CHF
ICNA02191436.5 ICNA0219143601 ICNA0219143605
di-Natriumtetraborat Decahydrat 99,5-105,0, powder_white crystalline ACS
di-Natriumtetraborat Decahydrat

Sodium borate decahydrate is a mineral, and a salt of boric acid. The term borax is used for a number of closely related minerals or chemical compounds that differ in their crystal water content, but usually refers to the decahydrate.


Applications: Sodium borate is used in biochemical and chemical laboratories to make buffers, e.g. for gel electrophoresis of DNA, such as TBE(Tris/Borate/EDTA) or SB(Sodium borate) buffer or BBS (borate buffered saline) in coating procedures. As a micronutrient fertilizer to correct boron-deficient soils. To clean the brain cavity of a skull for mounting.


1 g dissolves in 16 M water, 0,6 ml boiling water, 1 ml glyceral; insoluble in alcohol.

Formel: Na₂B₄O₇·10H₂O
MW: 381.37 g/mol
Siedepunkt: 320
Melting Pt: 75
MDL Number: MFCD00149193
CAS-Nummer: 1303-96-4
Merck Index: 13,08662

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Spezifikation Testergebnisse

Assay 99,5 - 105,0%
Heavy Metals ≤0,001%(as Pb)
Insoluble Matter ≤0,005%
pH 9,15 - 9,20 (0,01M aq soln)
Chloride (Cl) ≤0,001%
Sulphate (SO4) ≤0,005%
Phosphate (PO4) ≤0,001%
Calcium (Ca) ≤0,005%
Iron (Fe) ≤5 ppm


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