Orthoboric acid ≥99.5%, powder ACS

Supplier: MP BIOMEDICALS (FKA ICN BIOMED

Synonyms: Boron trihydroxide, Boron hydroxide, Boric acid, Boracic acid

02191411.1 02191411.5 0219141101 0219141105 02191411.3
IC191411.1EA 49.44 USD
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
MDL Number: MFCD00011337
CAS Number: 10043-35-3
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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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