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Merck

452882

Sodium borohydride

greener alternative

powder, ≥98.0%

Synonym(s):

Sodium tetrahydridoborate

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About This Item

Linear Formula:
NaBH4
CAS Number:
16940-66-2
Molecular Weight:
37.83
NACRES:
NA.22
PubChem Substance ID:
57650269
UNSPSC Code:
12352302
EC Number:
241-004-4
MDL number:
MFCD00003518
assay:
≥98.0%
form:
powder

Product Name

Sodium borohydride, powder, ≥98.0%

InChI key

YOQDYZUWIQVZSF-UHFFFAOYSA-N

InChI

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

SMILES string

[BH4-].[Na+]

assay

≥98.0%

form

powder

contains

0.45-0.70% Magnesium carbonate as anticaking agent

reaction suitability

reagent type: reductant

greener alternative product characteristics

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impurities

≤100 ppm Silica

mp

>300 °C (dec.) (lit.)

cation traces

Fe: ≤5 ppm

greener alternative category

, Enabling

Quality Level

300

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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.

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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Legal Information

ASCENSUS SPECIALTIES LLC

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Danger

Hazard Classifications

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

supp_hazards

EUH014

Storage Class

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

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
SHBT2640
SHBT1596
SDBB4856
SDBB3478
SHBS5512

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Analytical monitoring of sodium borohydride.
Sljukic B, et al.
Analytical Methods : Advancing Methods and Applications, 5(4), 829-839 (2013)
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)
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)
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
Sodium borohydride reduction of conjugated aldehydes and ketones
Johnson MR and Rickborn B
The Journal of Organic Chemistry, 35(4), 1041-1045 (1970)
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Articles

Metal Borohydrides as Hydrogen Storage Materials

An article about metal borohydrides as hydrogen storage materials

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