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Sigma-Aldrich

Sodium borohydride

greener alternative

powder, ≥98.0%

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Synonym(s):
Sodium tetrahydridoborate
Linear Formula:
NaBH4
CAS Number:
Molecular Weight:
37.83
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥98.0%

form

powder

contains

0.45-0.70% Magnesium carbonate as anticaking agent

reaction suitability

reagent type: reductant

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

impurities

≤100 ppm Silica

mp

>300 °C (dec.) (lit.)

cation traces

Fe: ≤5 ppm

greener alternative category

SMILES string

[BH4-].[Na+]

InChI

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

InChI key

YOQDYZUWIQVZSF-UHFFFAOYSA-N

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General description

Sodium borohydride (NaBH4) is the most commonly available borohydride, synthesized by reacting methylborate with sodium hydride in mineral oil. It is employed as a precursor for producing other metal borohydrides. Various approaches for qualitative and quantitative monitoring of sodium borohydride have been explained. The potential of NaBH4 to store as well as generate hydrogen for fuel cells has been investigated.
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Application

Sodium borohydride can be used as a reducing agent:        
  • To prepare saturated alcohols by the reduction of conjugated aldehydes and ketones.        
  • Along with Raney nickel for the reduction of aromatic nitro compounds to arylamines.        
  • In the synthesis of secondary amines by reductive amination of ketones and aldehydes in the presence of an acid catalyst.       
  • In the synthesis of δ and γ lactones by the reduction of cyclic anhydrides.       
  • For the chemoselective reduction of N -protected amino acids and peptides to corresponding alcohols.

Legal Information

ASCENSUS SPECIALTIES LLC

Signal Word

Danger

Hazard Classifications

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

Supplementary Hazards

Storage Class Code

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

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Reductive amination of aldehydes and ketones catalyzed by deep eutectic solvent using sodium borohydride as a reducing agent
Saberi D, et al.
Journal of Molecular Liquids, 196, 208-210 (2014)
Feng Geng et al.
Nanotechnology, 22(28), 285101-285101 (2011-06-10)
The treatment of ovarian cancer has traditionally been intractable, and required novel approaches to improve therapeutic efficiency. This paper reports that thio-glucose bound gold nanoparticles (Glu-GNPs) can be used as a sensitizer to enhance ovarian cancer radiotherapy. The human ovarian
Rapid, efficient and selective reduction of aromatic nitro compounds with sodium borohydride and Raney nickel
Pogorelic I, et al.
J. Mol. Catal. A: Chem., 274(1-2), 202-207 (2007)
Pectin Nanostructure Visualization by Atomic Force Microscopy.
Pose S, et al.
Bio-protocol, 5(19) (2015)
Analytical monitoring of sodium borohydride.
Sljukic B, et al.
Analytical Methods : Advancing Methods and Applications, 5(4), 829-839 (2013)

Articles

An article about metal borohydrides as hydrogen storage materials

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