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213462

Sigma-Aldrich

Sodium borohydride

ReagentPlus®, 99%

Synonym(s):

Sodium tetrahydridoborate

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About This Item

Linear Formula:
NaBH4
CAS Number:
16940-66-2
Molecular Weight:
37.83
EC Number:
241-004-4
MDL number:
MFCD00003518
UNSPSC Code:
26111700
PubChem Substance ID:
57647923
NACRES:
NA.22

Quality Level

300

product line

ReagentPlus®

Assay

99%

form

powder

reaction suitability

reagent type: reductant

mp

>300 °C (dec.) (lit.)

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, also known as sodium tetrahydridoborate, is a highly basic boron hydride that is commonly used as a reducing agent. It reacts very slowly with water and acts as a catalyst and stabilizer.

Application

Sodium borohydride can be used as a reducing agent for the:
  • Synthesis of cobalt (II, III) oxide (Co3O4) from cobalt chloride (CoCl2) via a co-reduction process.
  • Solvent-free reduction of aldehydes and ketones to alcohols in the presence of solid acid as an activator.
  • Reductive amination of carbonyl compounds to secondary amines in the presence of silica-gel-supported sulfuric acid as a catalyst.
  • Raney nickel-catalyzed reduction of aromatic nitro compounds to aromatic amines.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Signal Word

Danger

Hazard Statements

H260,H301,H314,H360FD

Hazard Classifications

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

Supplementary Hazards

EUH014

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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Certificates of Analysis (COA)

Lot/Batch Number
STBK5622
STBK5303
STBJ9689
STBJ7948
STBJ5535

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Dinesh Bhalothia et al.
Nanomaterials (Basel, Switzerland), 9(7) (2019-07-25)
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Basavaiah, D. et al.
The Journal of Organic Chemistry, 64, 1197-1197 (1999)
Barbara Fogli et al.
Scientific reports, 9(1), 10095-10095 (2019-07-14)
While axons within the central nervous system (CNS) do not regenerate following injury, those in the peripheral nervous system (PNS) do, although not in a clinically satisfactory manner as only a small proportion of axons exhibit long-distance regeneration. Moreover, functional
See Wee Chee et al.
Nature communications, 10(1), 2831-2831 (2019-06-30)
At elevated temperatures, bimetallic nanomaterials change their morphologies because of the interdiffusion of atomic species, which also alters their properties. The Kirkendall effect (KE) is a well-known phenomenon associated with such interdiffusion. Here, we show how KE can manifest in
Lin, X.M. et al.
Chemistry of Materials, 11, 198-198 (1999)
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