Home > Organosulfur Compounds> 2,2-Bithiophene-5-boronic acid

2,2-Bithiophene-5-boronic acid

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Origin: China

Cas No: 132898-95-4

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.: 132898-95-4 Formula: C8H7BO2S2 Molecular Weight: 210.08100

Basic Info

Chemical Name	2,2-Bithiophene-5-boronic acid
Synonyms	[2,2'-Bithiophen]-5-ylboronic acid; (5-thiophen-2-ylthiophen-2-yl)boronic acid;
CAS No.	132898-95-4
Molecular Formula	C8H7BO2S2
Molecular Weight	210.08100
PSA	96.94000
LogP	1.15640

Properties

Density	1.42g/cm3
Boiling Point	416.1ºC at 760mmHg
Melting Point	127ºC
Flash Point	205.5ºC
Refractive Index	1.658
Vapor Pressure	1.14E-07mmHg at 25°C

Safety Info

Safety Statements	S26-S37/39
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

2,2'-bithiophene→2,2-Bithiophene-5-boronic acid
trimethyl borate+2,2'-bithiophene→2-(3,5-dibromophenyl)-5-thiophen-2-ylthiophene+2,2-Bithiophene-5-boronic acid
2-bromo-5-thiophen-2-ylthiophene→2,2-Bithiophene-5-boronic acid

Precursor

triethyl borate
trimethyl borate
2,2'-bithiophene
2-bromo-5-thiophen-2-ylthiophene

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