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71320

Sodium borohydride

Name: Sodium borohydride
Brand: ALDRICH

purum p.a., ≥96% (gas-volumetric)

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:

57652284

UNSPSC Code:

26111700

EC Number:

241-004-4

MDL number:

MFCD00003518

Assay:

≥96% (gas-volumetric)

Form:

powder

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Properties

grade

purum p.a.

Quality Level

200

assay

≥96% (gas-volumetric)

form

powder

reaction suitability

reagent type: reductant

mp

>300 °C (dec.) (lit.)

anion traces

chloride (Cl^-): ≤5000 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg

cation traces

Ca: ≤50 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, K: ≤1000 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg

SMILES string

[BH4-].[Na+]

InChI

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

InChI key

YOQDYZUWIQVZSF-UHFFFAOYSA-N

Description

General description

Sodium borohydride is considered as a selective reducing agent due to its ability to selectively reduce aldehydes and ketones into their corresponding alcohols in the presence of other functional groups such as nitro, ester, amide, lactone, epoxide, and nitriles that are otherwise susceptible to reduction. It is being considered as a promising candidate for hydrogen storage applications.

Application

Sodium borohydride may be used as a reductant and hydrogen source for the semi-hydrogenation of alkynes to the corresponding alkenes in the presence of nickel nanoparticles generated in situ from nickel chloride and methanol. It can also be used as a reducing agent for the synthesis of gold nanoparticles from gold chloride.

Other Notes

Reduction of carboxylic acid derivatives

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pictograms

GHS02,GHS06,GHS08,GHS05

signalword

Danger

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 P2 (EN 143) respirator cartridges, type P3 (EN 143) respirator cartridges

Hazard Classifications

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

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hemoselective reductions with sodium borohydride.

Ward D

Canadian Journal of Chemistry, 67(7), 1206-1211 (1989)

Ligand-free nickel-catalyzed semihydrogenation of alkynes with sodium borohydride: a highly efficient and selective process for cis-alkenes under ambient conditions.

Wen X

Chemical Communications (Cambridge, England), 53(39), 5372-5375 (2017)

Thermo-economic analysis of a hydrogen production system by sodium borohydride (NaBH 4).

Rivarolo M

International Journal of Hydrogen Energy, 43(3), 1606-1614 (2018)

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Global Trade Item Number

SKU	GTIN
71320-100G	04061835555390
71320-25G	04061832844312
71320-500G	04061835555406