Home > Boronic Acid Derivatives> 4,4,5,5-tetramethyl-2-(3-methylphenyl)-1,3,2-dioxaborolane

4,4,5,5-tetramethyl-2-(3-methylphenyl)-1,3,2-dioxaborolane

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Origin: China

Cas No: 253342-48-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 253342-48-2 Formula: C13H19BO2 Molecular Weight: 218.10000

Basic Info

Chemical Name	4,4,5,5-tetramethyl-2-(3-methylphenyl)-1,3,2-dioxaborolane
Synonyms	3-Tolylboronic acid pinacol ester; 4,4,5,5-Tetramethyl-2-(m-tolyl)-1,3,2-dioxaborolane; 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)toluene; m-tolyl pinacolborane; m-Tolylboronic Acid Pinacol Ester; 3-methylphenylboronic acid,pinacol ester; 4,4,5,5-tetramethyl-2-m-tolyl-1,3,2-dioxaborolane; m-tolylboronic acid pinacolester; 3-methylbenzeneboronic acid,pinacol ester;
CAS No.	253342-48-2
Molecular Formula	C13H19BO2
Molecular Weight	218.10000
PSA	18.46000
LogP	2.29420

Properties

Density	0.98 g/cm3
Boiling Point	307.2ºC at 760 mmHg
Melting Point	-37°C
Flash Point	139.6ºC
Refractive Index	1.491
Vapor Pressure	0.00134mmHg at 25°C

Safety Info

RTECS	CM3150000
Hazard Class	3
Safety Statements	S26; S36/37/39; S45
HS Code	2934999090
Packing Group	II
WGK Germany	3
RIDADR	UN 2493 3/PG 2
Risk Statements	R10; R20; R25; R34; R28; R11
Hazard Codes	T+; F

Synthesis Route

Toluene+4,4,5,5-tetramethyl-1,3,2λ2-dioxaborolane→4,4,5,5-tetramethyl-2-(4-methylphenyl)-1,3,2-dioxaborolane+4,4,5,5-tetramethyl-2-(2-methylphenyl)-1,3,2-dioxaborolane
Toluene+Bis(pinacolato)diboron→4,4,5,5-tetramethyl-2-(4-methylphenyl)-1,3,2-dioxaborolane+4,4,5,5-tetramethyl-2-(2-methylphenyl)-1,3,2-dioxaborolane
Toluene+4,4,5,5-tetramethyl-1,3,2λ2-dioxaborolane→4,4,5,5-tetramethyl-2-(4-methylphenyl)-1,3,2-dioxaborolane+4,4,5,5-tetramethyl-2-(2-methylphenyl)-1,3,2-dioxaborolane

Precursor

4,4,5,5-tetramethyl-1,3,2λ2-dioxaborolane

2-(3-chloro-5-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
3-Bromotoluene

Downstream Product

4,4,5,5-tetramethyl-2-(4-methylphenyl)-1,3,2-dioxaborolane
3,3'-Dimethylbiphenyl
3-METHYLBENZOTRIFLUORIDE
4,4,5,5-tetramethyl-2-(2-methylphenyl)-1,3,2-dioxaborolane

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