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3,5-Difluorophenylboronic acid

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Origin: China

Cas No: 156545-07-2

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.: 156545-07-2 Formula: C6H5BF2O2 Molecular Weight: 157.91100

Basic Info

Chemical Name	3,5-Difluorophenylboronic acid
Synonyms	3,5-Difluorobenzeneboronic Acid; 3,5-Difluorophenylboronic Acid; (3,5-difluorophenyl)boronic acid; (3,5-Difluorophenyl)dihydroxyborane 3,5-Difluorobenzeneboronic acid;
CAS No.	156545-07-2
Molecular Formula	C6H5BF2O2
Molecular Weight	157.91100
PSA	40.46000
LogP	-0.35540

Properties

Appearance & Physical State	White to beige-yellowish powder
Density	1.35g/cm3
Boiling Point	266.9ºC;Cat760mmHg
Melting Point	210-217ºC
Flash Point	115.2ºC
Refractive Index	1.562
Storage Condition	0-6ºC
Vapor Pressure	1.04E-07mmHg at 25°C

Safety Info

Safety Statements	S26-S36
HS Code	2931900090
WGK Germany	3
Risk Statements	R36/37/38
Hazard Codes	Xi
Symbol	GHS07
Caution Statement	P261; P305 + P351 + P338
Hazard Declaration	H315; H319; H335
Signal Word	Warning

Synthesis Route

trimethyl borate+1-Bromo-3,5-difluorobenzene→3,5-Difluorophenylboronic acid
1-Bromo-3,5-difluorobenzene→3,5-Difluorophenylboronic acid
1-Chloro-3,5-difluorobenzene→3,5-Difluorophenylboronic acid

Precursor

1-Bromo-3,5-difluorobenzene
trimethyl borate
1-Chloro-3,5-difluorobenzene
Triisopropyl Borate

Downstream Product

2-(3,5-difluorophenyl)-5,5-dimethyl-1,3,2-dioxaborinane
3,5-Difluorophenol
1,3-difluoro-5-(trifluoromethyl)benzene
1,3-Difluoro-5-iodobenzene

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