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Merck

B0394

Ácido bórico

ACS reagent, ≥99.5%

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About This Item

Fórmula lineal:
H3BO3
Número CAS:
10043-35-3
Peso molecular:
61.83
PubChem Substance ID:
329773111
eCl@ss:
38120104
UNSPSC Code:
12352106
NACRES:
NA.21
EC Number:
233-139-2
MDL number:
MFCD00011337

Nombre del producto

Ácido bórico, ACS reagent, ≥99.5%

InChI key

KGBXLFKZBHKPEV-UHFFFAOYSA-N

InChI

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

SMILES string

OB(O)O

grade

ACS reagent

agency

suitable for SM 4500 - NH3
suitable for SM 5210

vapor pressure

2.6 mmHg ( 20 °C)

assay

≥99.5%

form

powder

Quality Level

200

concentration

>99.5%

technique(s)

PCR: suitable

impurities

≤0.005% Insoluble in methanol
≤0.05% Nonvolatile with methanol

pH

5.1 (25 °C, 1.8 g/L)

mp

160 °C (dec.) (lit.)

solubility

water: soluble

density

1.440 g/cm3

anion traces

chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.01%

cation traces

Ca: ≤0.005%
Fe: ≤0.001%
heavy metals: ≤0.001% (by ICP)

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Categorías relacionadas

Application

Boric acid can be used as a catalyst to synthesize:
  • N-substituted cinnamamides via amidation reaction between cinnamic acid and benzylamines.
  • β-Aminoalcohols through the regioselective epoxides ring opening with aromatic amines in the presence of glycerol as a co-catalyst.
  • Organosulfur compounds via thia-Michael addition of thiols to α, β-unsaturated compounds.
It can also be used as an activator for the solvent-free reduction of aldehydes and ketones to alcohols in the presence of sodium borohydride.

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, and neutron absorber.

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H360FD

Hazard Classifications

Repr. 1B

Clase de almacenamiento

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
0000520955
0000520955
0000516119
0000516119
0000510923

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American journal of physiology. Cell physiology, 306(10), C943-C960 (2014-03-22)
The human solute carrier (SLC26) family of anion transporters consists of 10 members (SLCA1-11, SLCA10 being a pseudogene) that encode membrane proteins containing ~12 transmembrane (TM) segments with putative N-glycosylation sites (-NXS/T-) in extracellular loops and a COOH-terminal cytosolic STAS
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Journal of chromatography. A, 1373, 31-39 (2014-12-02)
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
Hye Ryeo Lee et al.
Journal of chromatography. A, 1346, 117-122 (2014-05-09)
In liquid phase microextraction, high enrichment factors can be obtained using an acceptor phase of small volume. By hanging an acceptor drop at the separation capillary tip, single drop microextraction (SDME) can be in-line coupled with capillary electrophoresis (CE). The
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