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About This Item
Empirical Formula (Hill Notation):
C3H9B3O3
CAS Number:
Molecular Weight:
125.53
UNSPSC Code:
12352103
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
1757008
Product Name
Trimethylboroxine, 99%
InChI
1S/C3H9B3O3/c1-4-7-5(2)9-6(3)8-4/h1-3H3
SMILES string
Cb1ob(C)ob(C)o1
InChI key
GBBSAMQTQCPOBF-UHFFFAOYSA-N
assay
99%
form
liquid
refractive index
n20/D 1.362 (lit.)
bp
78-80 °C (lit.)
mp
−38 °C (lit.)
density
0.898 g/mL at 25 °C (lit.)
Quality Level
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Application
Trimethylboroxine (TMB) is a cyclic anhydride of methyl-boronic acid. It can be been used:
- As a derivatizing agent for gas chromatographic/mass spectrometric analysis.
- In the preparation of methylaluminoxane (MAO) which is used in the polymerization of olefins.
- As an electrolyte additive to enhance the interface stability of electrode/electrolyte.
- In methylation of aryl halides by palladium-catalyzed Suzuki-Miyaura coupling reaction.
- In the preparation of CBS (Corey, Bakshi and Shibata) catalysts for asymmetric reductions of ketones to alcohols.
signalword
Danger
hcodes
Hazard Classifications
Flam. Liq. 2 - Skin Corr. 1B
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
15.8 °F - closed cup
flash_point_c
-9 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Regulatory Information
危险化学品
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Tetrahedron Asymmetry, 14, 2115-2118 (2003)
Reactivity of metallocene catalysts for olefin polymerization: influence of activator nature and structure
Pedeutour JN
Macromolecular Rapid Communications, 22(14), 1095-1123 (2001)
Enhanced high voltage performances of layered lithium nickel cobalt manganese oxide cathode by using trimethylboroxine as electrolyte additive
Yu Q, et al.
Electrochimica Acta, 176(14), 919-925 (2015)
Polymer, 37, 4629-4629 (1996)
Practical methylation of aryl halides by Suzuki-Miyaura coupling.
Gray M, et al.
Tetrahedron Letters, 41(32), 6237-6240 (2000)
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