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Orthoboric acid 99,5, powder ACS

Supplier: E. Becker & Co. GmbH
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02191411.1 02191411.5 0219141101 0219141105 02191411.3
IC191411.1EA 49.44 USD InStock
IC191411.1 IC191411.5 IC19141101 IC19141105 IC02191411.3
Orthoboric acid 99,5, powder ACS
Orthoboric acid
Boric acid is used for weatherproofing wood and fireproofing fabrics; as a preservative; manufacturing of cements, crockery, porcelain, enamels, glass, borates, leather, carpets, hats, soaps, artificial gems; in nickeling baths; cosmetics; printing and dyeing, painting; photography; for impregnating wicks; electric condensers; hardening steel. It is also used as an insecticide for cockroaches and black carpet beetles. It is used In the research labs , astringent, antiseptic, antibacterial and antifungal agent. It is used in buffers and for calibration of polyacrylamide gel columns for the separation of oligonucleotides by capillary electrophoresis.

  • Soluble in water; insoluble in alcohol; freely soluble in boiling water.

Boric acid has a single boron; its salt forms complex equilibria in solution, with the ion B4O7-2 being the predominant species.

Insoluble in Methanol ≤0.005%, Nonvolatile with Methanol ≤0.05%, Chloride ≤0.001%, Phosphate ≤0.001%, Sulfate ≤0.01%, Calcium ≤0.005%, Iron ≤0.001%


Formula: B(OH)₃
MW: 61.83 g/mol
Boiling Pt: 185
Melting Pt: 160
 MDL Number: MFCD00011337
CAS Number: 10043-35-3
Merck Index: 13,01326
https://qa.digitalassets.avantorsciences.com/adaptivemedia/rendition?id=301d8490ce1eba1e83bc3a42efd272fe8fe80330&vid=301d8490ce1eba1e83bc3a42efd272fe8fe80330&prid=web&clid=SAPDAM
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Specification Test Results
Synonyms Boracic acid; orthoboric acid
Form White Powder
Storage Store at Room Temperature (15-30 °C).
Heavy Metals ≤0.001%
pH Useful pH buffering range 8.2-10.11 (Lit.)
pka 9.23 at 25 °C; ΔpK/DT = -0.008
Sterilization of Solutions Solutions can be sterile filtered or autoclaved.

 

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