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Key Documents

60080

Sigma-Aldrich

Potassium borohydride

purum, ≥97.0% (RT)

Synonym(s):

Potassium tetrahydroborate

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About This Item

Linear Formula:
KBH4
CAS Number:
Molecular Weight:
53.94
EC Number:
MDL number:
UNSPSC Code:
12352000
PubChem Substance ID:
NACRES:
NA.22

grade

purum

Quality Level

Assay

≥97.0% (RT)

reaction suitability

reagent type: reductant

mp

500 °C (dec.) (lit.)

density

1.18 g/mL at 25 °C (lit.)

SMILES string

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

InChI

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

InChI key

ICRGAIPBTSPUEX-UHFFFAOYSA-N

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Application

Potassium borohydride can be used:
  • As a reducing agent and boron source in organic synthesis.
  • As a reducing agent in the preparation of copper nanoparticles.
  • To reduce toxic 2-nitroaniline to less toxic o-phenylenediamine using different catalytic systems.

Reactant commonly used as a reducing agent and as a boron source

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Reduction of nitroarenes to azoxybenzenes by potassium borohydride in water
Liu Y, et al.
Molecules (Basel), 16(5), 3563-3568 (2011)
Catalytic reduction of 2-nitroaniline: a review
Naseem K, et al.
Environmental Science and Pollution Research International, 24(7), 6446-6460 (2017)
Preparation of copper nanoparticles by chemical reduction method using potassium borohydride
Zhang Q, et al.
Transactions of Nonferrous Metals Society of China, 20, s240-s244 (2010)
Abdallah Shanableh et al.
The Science of the total environment, 761, 143307-143307 (2020-11-16)
Removal of pharmaceutical compounds, such as sulfamethoxazole (SMX) from the aquatic environments, is critical in order to mitigate their adverse environmental and human health effects. In this study, the effectiveness of nanoscale zerovalent iron (nZVI) particles for the removal of
Min Hu et al.
Nanoscale research letters, 12(1), 435-435 (2017-07-05)
In this paper, hierarchical Ag-decorated SnO

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