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B0252

Sigma-Aldrich

Boric acid

ReagentPlus®, ≥99.5%

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About This Item

Linear Formula:
H3BO3
CAS Number:
10043-35-3
Molecular Weight:
61.83
EC Number:
233-139-2
MDL number:
MFCD00011337
UNSPSC Code:
12352106
eCl@ss:
38120104
PubChem Substance ID:
329773105
NACRES:
NA.21

Agency

suitable for SM 4500 - NH3
suitable for SM 5210

Quality Level

200

vapor pressure

2.6 mmHg ( 20 °C)

product line

ReagentPlus®

Assay

≥99.5%

form

powder

mp

160 °C (dec.) (lit.)

solubility

water: 40 mg/mL, clear, colorless

density

1.440 g/cm3

SMILES string

OB(O)O

InChI

1S/BH3O3/c2-1(3)4/h2-4H

InChI key

KGBXLFKZBHKPEV-UHFFFAOYSA-N

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General description

Boric acid is a weak monobasic Lewis acid (electron pair acceptor), which finds application in the areas of glass making, fire retardant, lubrication agent, buffer, neutron absorber, and adjuvant/excipient in pharmaceutical formulations.

Application

Boric acid can be used as:
  • A catalyst to synthesize poly(δ-valerolactone) via bulk-ring opening polymerization.
  • A ligand to synthesize metal-organic frameworks.
  • A reagent in the preparation of borate buffer.
  • A crosslinker to electrospun dextran nanofibers.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H360FD

Hazard Classifications

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Boric acid United States Pharmacopeia (USP) Reference Standard

USP

1076341

Boric acid

Boric acid powder, EMPROVE® ESSENTIAL, Ph. Eur., BP, JP, NF

SAFC

1.00162

Boric acid

Boric acid Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Supelco

BX0865

Boric acid

Boric acid BioUltra, for molecular biology, ≥99.5% (T)

Sigma-Aldrich

15663

Boric acid

Boric acid puriss., meets analytical specification of Ph. Eur., BP, NF, 99.5-100.5%, powder

Sigma-Aldrich

11607

Boric acid

Boric acid crystalline, EMPROVE® ESSENTIAL, Ph. Eur., BP, JP, NF

SAFC

1.00160

Boric acid

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Electrodeposition from microemulsions using ionic liquids is revealed as a green method for synthesizing magnetic alloyed nanoparticles, avoiding the use of aggressive reducing agents. Microemulsions containing droplets of aqueous solution (electrolytic solution containing Pt(IV) and Co(II) ions) in an ionic
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Layered double oxide hollow spheres (LDO-HSs) were synthesized and employed as a dissolvable sorbent in dispersive solid-phase extraction (DSPE) to extract eleven United States Environmental Protection Agency's priority phenols from aqueous samples. With their higher specific surface area, LDO-HSs showed
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