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481483

Sigma-Aldrich

Sodium tetraethylborate

97%

Synonym(s):

Et4BNa

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About This Item

Linear Formula:
(C2H5)4BNa
CAS Number:
15523-24-7
Molecular Weight:
150.05
MDL number:
MFCD00061547
UNSPSC Code:
12161600
PubChem Substance ID:
24871760
NACRES:
NA.22

Assay

97%

reaction suitability

core: boron
reagent type: catalyst

mp

140-142 °C (lit.)

SMILES string

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

InChI

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

InChI key

SZSBMTRYJRHYNI-UHFFFAOYSA-N

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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.

Application

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

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Description
Pricing

Pictograms

Flame
GHS02

Signal Word

Danger

Hazard Statements

H250,H261

Hazard Classifications

Pyr. Sol. 1 - Water-react 2

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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M Leermakers et al.
Analytical and bioanalytical chemistry, 381(6), 1272-1280 (2005-02-16)
Monobutyltin (MBuT), dibutyltin (DBuT), and tributyltin (TBuT) mixtures have been separated and quantified by gas chromatography with pulsed flame-photometric detection (GC-PFPD). The compounds were first derivatized with NaBEt4, then extracted with hexane and injected into the GC in splitless mode.
Stig Valdersnes et al.
Journal of AOAC International, 102(1), 278-285 (2018-12-31)
Organotin compounds are anthropogenic metal species with multiple uses as pesticides, preservatives, antifouling agents, biocides, and catalysts. Butyltins are the main organotin compounds found in biota, and the highest levels are found in marine foodstuffs. In this paper, we present
Xiaonan Ji et al.
Environmental science and pollution research international, 26(17), 17707-17718 (2019-04-28)
Methylmercury (MeHg) in sediment is difficult to be determined due to its low concentration and binding compounds like sulfide and organic matter. Moreover, wet sediment samples have been suggested to behave differently from certified reference materials in MeHg analysis. Optimal
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
Andrés Rodríguez-Cea et al.
Environmental science and pollution research international, 23(5), 4876-4885 (2015-11-08)
The degradation of butyltin compounds in surface water samples under different storage conditions has been studied. A triple spike solution, containing monobutyltin (MBT), dibutyltin (DBT) and tributyltin (TBT) labelled with a different tin isotope, was added to the sample to
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