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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

Key Documents

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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.

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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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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)
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
A. Yin, et al.,
Applied Catalysis, 400, 39-47 (2011)
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)
D E Atsma et al.
Arteriosclerosis and thrombosis : a journal of vascular biology, 13(1), 78-83 (1993-01-01)
In this study we evaluated two different 99mTc-labeling techniques to produce 99mTc-low density lipoprotein (99mTc-LDL) suitable for the scintigraphic delineation of experimental atherosclerotic lesions. The two methods are 1) a procedure that uses stannous chloride and sodium borohydride (borohydride method)
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