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Tri-tert-butyl borate

ALDRICH/236608 - 98%

Synonym: Boron tert-butoxide; Tri-tert-butoxyborane

CAS Number: 7397-43-5
Empirical Formula (Hill Notation): C12H27BO3
Molecular Weight: 230.15
MDL Number: MFCD00009652
Linear Formula: [(CH3)3CO]3B
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-236608-50G 50 g
$225.00
1/EA
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assay 98%
bp 101 °C/74 mmHg (lit.)
density 0.811 g/mL at 25 °C (lit.)
form liquid
InChI 1S/C12H27BO3/c1-10(2,3)14-13(15-11(4,5)6)16-12(7,8)9/h1-9H3
InChI key ZMCWFMOZBTXGKI-UHFFFAOYSA-N
mp 18-19 °C (lit.)
Quality Level 200 
refractive index n20/D 1.389 (lit.)
SMILES string CC(C)(C)OB(OC(C)(C)C)OC(C)(C)C
Application: Tri-tert-butyl borate can be used as:
• An additive in the synthesis of chiral α-hydroxy esters by reacting dimethylzinc with α-ketoesters using (−)-2-exo-morpholinoisobornane-10-thiol.
• A starting material in the synthesis of boronate of (+)-pinane-2,3-diol.

General description: Tri-tert-butyl borate is an organoborate commonly used to prepare other borate esters. It is also used as a substrate in Rh-catalyzed carbonylation reactions.
Packaging: 50 g in Sure/Seal™
Symbol GHS02  GHS02
Signal word Warning
Hazard statements H226
Risk Statements 10
Safety Statements 16-33
RIDADR UN 1993C 3 / PGIII
WGK Germany WGK 3
Flash Point(F) 84.2 °F - closed cup
Flash Point(C) 29 °C - closed cup
Purity 98%
bp 101 °C/74 mmHg (lit.)
mp 18-19 °C (lit.)
Density 0.811 g/mL at 25 °C (lit.)
Refractive Index n20/D 1.389 (lit.)
UNSPSC 12352103

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