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Sigma-Aldrich

Trimethylborat

99.999% (trace metal basis)

Synonym(e):

Borsäure-trimethylester, Methylborat

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About This Item

Lineare Formel:
B(OCH3)3
CAS-Nummer:
121-43-7
Molekulargewicht:
103.91
Beilstein:
1697939
EG-Nummer:
204-468-9
MDL-Nummer:
MFCD00008346
UNSPSC-Code:
12352103
PubChem Substanz-ID:
24868324
NACRES:
NA.22

Dampfdichte

3.59 (vs air)

Qualitätsniveau

100

Assay

99.999% (trace metal basis)

Brechungsindex

n20/D 1.346 (lit.)

bp

68-69 °C (lit.)

mp (Schmelzpunkt)

−34 °C (lit.)

Dichte

0.932 g/mL at 20 °C (lit.)

SMILES String

COB(OC)OC

InChI

1S/C3H9BO3/c1-5-4(6-2)7-3/h1-3H3

InChIKey

WRECIMRULFAWHA-UHFFFAOYSA-N

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Verpackung

The 25 mL Sure/Seal™ bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product.

Rechtliche Hinweise

Sure/Seal is a trademark of Sigma-Aldrich Co. LLC

Signalwort

Danger

Gefahreneinstufungen

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Repr. 1B - STOT SE 1

Zielorgane

Eyes

Lagerklassenschlüssel

3 - Flammable liquids

WGK

WGK 1

Flammpunkt (°F)

12.2 °F - (own results)

Flammpunkt (°C)

-11 °C - (own results)

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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Trimethylphosphit

Trimethylphosphat ≥99%

Sigma-Aldrich

241024

Trimethylphosphat

Tetraethylorthosilikat 99.999% trace metals basis

Sigma-Aldrich

333859

Tetraethylorthosilikat

Borsäure BioReagent, for molecular biology, suitable for cell culture, suitable for plant cell culture, ≥99.5%

Sigma-Aldrich

B6768

Borsäure

A Colorado et al.
Journal of mass spectrometry : JMS, 31(4), 403-410 (1996-04-01)
Barbiturates are a class of drugs that are utilized as anesthetics and sleeping agents and are used for the treatment of anxiety, epilepsy and other psychiatric disorders. Because of their pyrimidine structures, barbiturates are highly basic compounds. The evaluation of
Steven C Habicht et al.
Analytical chemistry, 80(9), 3416-3421 (2008-03-28)
A mass spectrometric method has been developed for the identification of the carboxylic acid functional group in analytes evaporated and ionized by electrospray ionization (ESI). This method is based on gas-phase ion-molecule reactions of ammoniated ([M + NH4]+) and sodiated
Scott Gronert et al.
Journal of the American Society for Mass Spectrometry, 13(9), 1088-1098 (2002-09-27)
Using a quadrupole ion trap mass spectrometer, trimethyl borate was allowed to react with dihydrogen phosphate, deprotonated O-phosphoserine, and a set of hydrogen bonded complexes involving dihydrogen phosphate and neutral acids (phosphoric acid, acetic acid, serine, and O-phosphoserine). The reactions
Jayalakshmi Somuramasami et al.
Journal of the American Society for Mass Spectrometry, 22(6), 1040-1051 (2011-09-29)
Several lignin model compounds were examined to test whether gas-phase ion-molecule reactions of trimethylborate (TMB) in a FTICR can be used to differentiate the ortho-, meta-, and para-isomers of protonated aromatic compounds, such as those formed during degradation of lignin.
Ryan J Eismin et al.
Journal of the American Society for Mass Spectrometry, 23(1), 12-22 (2011-10-18)
A mass spectrometric method has been delineated for the identification of the epoxide functionalities in unknown monofunctional analytes. This method utilizes gas-phase ion/molecule reactions of protonated analytes with neutral trimethyl borate (TMB) followed by collision-activated dissociation (CAD) in an ion
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