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Merck
CN

481483

Sodium tetraethylborate

97%

Synonym(s):

Et4BNa

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About This Item

Linear Formula:
(C2H5)4BNa
CAS Number:
Molecular Weight:
150.05
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12161600
MDL number:
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Product Name

Sodium tetraethylborate, 97%

InChI

1S/C8H20B.Na/c1-5-9(6-2,7-3)8-4;/h5-8H2,1-4H3;/q-1;+1

SMILES string

[Na+].CC[B-](CC)(CC)CC

InChI key

SZSBMTRYJRHYNI-UHFFFAOYSA-N

assay

97%

reaction suitability

core: boron
reagent type: catalyst

mp

140-142 °C (lit.)

Quality Level

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Application

Sodium tetraethylborate can be used as a derivatizing agent in the GC-MS analyses of fenbutatin oxide and alkyl tin compounds.

General description

Sodium tetraethylborate (NaBEt4) is an air and moisture-sensitive pyrophoric organoboron compound. It is very reactive in the presence of certain organometallic species and is used as an ethyl transfer reagent.

pictograms

Flame

signalword

Danger

hcodes

Hazard Classifications

Pyr. Sol. 1 - Water-react 2

Storage Class

4.2 - Pyrophoric and self-heating hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves

Regulatory Information

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Andrea Santa-Rios et al.
Analytical chemistry, 92(5), 3605-3612 (2020-02-15)
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Feras Abujaber et al.
Mikrochimica acta, 186(7), 400-400 (2019-06-12)
Magnetite (Fe3O4) nanoparticles were modified with nanocellulose and are showed to be a useful sorbent for magnetic solid-phase extraction of mercury species. Speciation analysis was performed by using gas chromatography coupled to atomic fluorescence detection (GC-pyro-AFS). The magnetic properties of
Jacqueline R Gerson et al.
Science advances, 6(48) (2020-11-29)
Artisanal and small-scale gold mining (ASGM) is the largest global source of anthropogenic mercury emissions. However, little is known about how effectively mercury released from ASGM is converted into the bioavailable form of methylmercury in ASGM-altered landscapes. Through examination of
Christophe Devos et al.
Journal of separation science, 28(7), 665-668 (2005-05-26)
The analysis of the acaricide fenbutatin oxide (FBTO) having a molecular weight of 1052.66 g mol(-1) in water samples by capillary GC/MS after in-situ derivatization with sodium tetraethylborate (NaBEt4) and headspace-SPME enrichment is described. Automated SPME is performed at 80
Wenbin Cui et al.
Journal of agricultural and food chemistry, 65(44), 9569-9578 (2017-10-27)
Recent reports of elevated levels of methylmercury (MeHg) in rice revealed the possible occurrence of MeHg in infant rice cereals, leading to potential MeHg exposure through cereal consumption. Total mercury (THg) and MeHg levels in 119 infant cereal samples commonly

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