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Merck

455571

Potassium borohydride

≥97%

Synonym(s):

Potassium tetrahydroborate

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About This Item

Linear Formula:
KBH4
CAS Number:
13762-51-1
Molecular Weight:
53.94
NACRES:
NA.22
PubChem Substance ID:
24868580
UNSPSC Code:
12352306
EC Number:
237-360-5
MDL number:
MFCD00011396
assay:
≥97%
form:
powder

Product Name

Potassium borohydride, ≥97%

InChI key

ICRGAIPBTSPUEX-UHFFFAOYSA-N

InChI

1S/BH4.K/h1H4;/q-1;+1

SMILES string

[K+].[H][B-]([H])([H])[H]

assay

≥97%

form

powder

reaction suitability

reagent type: reductant

mp

500 °C (dec.) (lit.)

density

1.18 g/mL at 25 °C (lit.)

Quality Level

200

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Application

Potassium borohydride (KBH4) can be used as a reducing agent for the synthesis of:       
  • Copper nanoparticles by the reduction of copper salts.
  •  Enantioselective allylic alcohols by the catalytic reduction of enones and ketones in the presence of chiral N,N′-dioxidescandium(III) complex catalyst.,·        
  • Azoxybenzenes by the reduction of nitroarenes in the presence of phase transfer catalyst PEG-400.

It can also be employed as a boron source in the nickel–boron alloy, which is electrodeposited on carbon fiber to improve catalytic graphitization of carbon.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1B - Water-react 1

Storage Class

4.3 - Hazardous materials which set free flammable gases upon contact with water

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCL8819
MKCG2466
MKCC7229
MKBX5042V
MKBW4576V

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Peng He et al.
Organic letters, 14(19), 5134-5137 (2012-09-28)
The first catalytic enantioselective 1,2-reduction of enones with 0.45 mol equiv potassium borohydride solution catalyzed by a chiral N,N'-dioxide-Sc(III) complex catalyst was accomplished under mild reaction conditions. A number of optically active allylic alcohols were obtained in good to excellent
Preparation of copper nanoparticles by chemical reduction method using potassium borohydride
Zhang Q-L, et al.
Transactions of Nonferrous Metals Society of China, 20, 240-s244-240-s244 (2010)
Catalytic graphitization of carbon fibers with electrodeposited Ni-B alloy coating
Zhou H, et al.
Materials Chemistry and Physics, 110(2-3), 434-439 (2008)
Zhenli Zhu et al.
Analytica chimica acta, 607(2), 136-141 (2008-01-15)
A new atomizer based on atmospheric pressure dielectric barrier discharge (DBD) plasma was specially designed for atomic fluorescence spectrometry (AFS) in order to be applied to the measurement of arsenic. The characteristics of the DBD atomizer and the effects of
A P Seddon et al.
The Journal of biological chemistry, 261(25), 11538-11543 (1986-09-05)
Bacterial 5-oxoprolinase is composed of two protein components: Component A, which catalyzes 5-oxoproline-dependent ATP-hydrolysis and Component B, which couples the hydrolysis of ATP with the decyclization of 5-oxoproline to form glutamate (Seddon, A. P., Li, L., and Meister, A. (1984)
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