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About This Item
Empirical Formula (Hill Notation):
C3H9B3O3
CAS Number:
Molecular Weight:
125.53
Beilstein/REAXYS Number:
1757008
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.22
Quality Level
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.)
SMILES string
Cb1ob(C)ob(C)o1
InChI
1S/C3H9B3O3/c1-4-7-5(2)9-6(3)8-4/h1-3H3
InChI key
GBBSAMQTQCPOBF-UHFFFAOYSA-N
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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_germany
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
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