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2,2'-bithiophene

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Origin: China

Cas No: 492-97-7

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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

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Products Specification
Product Description

Quick Details
CAS No.:
492-97-7
Other Names:
2,2'-Bithiophene
MF:
C8H6S2
EINECS No.:
207-767-2
Place of Origin:
Hubei, China
Type:
Pharmaceutical Intermediates
Purity:
99% min
Brand Name:
Fortunachem
Model Number:
Fortuna
Application:
Pharm Intermediates
Appearance:
Blue Crystalline Powder
Molecular Weight:
166.26
Experience:
More than 10 years
Melting point:
32-33 °C(lit.)
Boiling point:
260 °C(lit.)
Flashing point:
>230 °F
Packaging&Delivery
Packaging Details
1kg/foil bag; 25kg/drum
Port
Any port of China

Property

CAS No.: 492-97-7 Formula: C8H6S2 Molecular Weight: 166.26300

Description

2,2’-Bithiophene is a reactant in the preparation of thienophenyl compounds.

Basic Info

Chemical Name	2,2'-bithiophene
Synonyms	2,2'-Bithiophene; 2,2'-Bithienyl; 2-thiophen-2-ylthiophene; 2,2‘-Bithiophene; 2,2'-Dithienyl;
CAS No.	492-97-7
Molecular Formula	C8H6S2
Molecular Weight	166.26300
PSA	56.48000
LogP	3.47660

Properties

Appearance & Physical State	yellow to green low melting solid
Density	1.243 g/cm3
Boiling Point	260ºC
Melting Point	32-33ºC
Flash Point	110ºC
Refractive Index	1.63
Vapor Pressure	0.0203mmHg at 25°C

Safety Info

Safety Statements	S22-S24/25
HS Code	2934999090
WGK Germany	3
Risk Statements	R20/21/22
Hazard Codes	Xi

Synthesis Route

Thiophene(SIV)+2,3,5-Tribromothiophene→2,3-dibromo-5,2'-dithiophene+2,2'-bithiophene
2,3,5-Tribromothiophene+magnesium,2H-thiophen-2-ide,bromide→2,4-Dibromothiophene+2,3-dibromo-5,2'-dithiophene
2,3-Dibromothiophene+magnesium,2H-thiophen-2-ide,bromide→3-thiophen-3-ylthiophene+2,2'-bithiophene

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Capillary	DB-1	-	1438.	temperature ramp

Precursor

2-Thiopheneboronic acid
2-Iodothiophene
2-(Tributylstannyl)Thiophene
Thiophene(SIV)

Downstream Product

2-[2-oxo-2-(5-thiophen-2-ylthiophen-2-yl)ethyl]sulfanyl-1-(5-thiophen-2-ylthiophen-2-yl)ethanone
2,5-bis(5-iodothiophen-2-yl)thiophene
2-(4-methoxyphenyl)-5-thiophen-2-ylthiophene
5,5'-Dibromo-2,2'-bithiophene

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