Home > Organosulfur Compounds> 5,5'-Dibromo-2,2'-bithiophene

5,5'-Dibromo-2,2'-bithiophene

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Origin: China

Cas No: 4805-22-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 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.:
4805-22-5
Other Names:
5,5'-Dibromo-2,2'-bithiophene
MF:
C8H4Br2S2
EINECS No.:
C8H4Br2S2
Place of Origin:
Henan, China
Type:
Pharmaceutical Intermediates
Purity:
98%min
Model Number:
98%min
Application:
Intermediate
Appearance:
white powder
Molecular Weight of 4805-22-5:
324.06
package of 4805-22-5:
1kg/bag
Name of 4805-22-5:
5,5'-Dibromo-2,2'-bithiophene
Molecular formula:
C8H4Br2S2
package 2 of 4805-22-5:
25kg/drum
melting point of 4805-22-5:
144-146 ° C
assay of 4805-22-5:
98%min
CAS No. of 5,5'-Dibromo-2,2'-bithiophene:
4805-22-5
Sample of 4805-22-5:
available
Packaging&Delivery
Packaging Details
1kg/bag or 25kg/drum or as your requirement of 5,5'-Dibromo-2,2'-bithiophene 4805-22-5
Port
Qingdao /Shanghai

Property

CAS No.: 4805-22-5 Formula: C8H4Br2S2 Molecular Weight: 324.05500

Description

A termination reagent for polymer ization.

Basic Info

Chemical Name	5,5'-Dibromo-2,2'-bithiophene
Synonyms	2-bromo-5-(5-bromothiophen-2-yl)thiophene; 5,5′-Dibromo-2,2′-bithiophene; 5,5-Dibromo-2,2-Bithiophene;
CAS No.	4805-22-5
Molecular Formula	C8H4Br2S2
Molecular Weight	324.05500
PSA	56.48000
LogP	5.00160

Properties

Appearance & Physical State	white to light yellow shiny flakes
Density	1.951g/cm3
Boiling Point	318.6ºC at 760 mmHg
Melting Point	143-146ºC
Flash Point	146.5ºC
Refractive Index	1.683

Safety Info

Safety Statements	S36/37
HS Code	2934999090
WGK Germany	3
Risk Statements	R20/21/22
Hazard Codes	Xn

Synthesis Route

2-Bromothiophene+(4-fluorophenyl)-trimethylsilane→5,5'-Dibromo-2,2'-bithiophene+2-Bromo-5-(4-fluorophenyl)thiophene
2,2'-bithiophene→5,5'-Dibromo-2,2'-bithiophene
2,5-Dibromothiophene→5,5'-Dibromo-2,2'-bithiophene

Precursor

Methyl Thiophene-2-Carboxylate
2,5-Dibromothiophene
5-bromo-[2]thienyl lithium
2,2'-bithiophene

Downstream Product

2-methyl-5-(5-methylthiophen-2-yl)thiophene
2-[5-(5-bromothiophen-2-yl)thiophen-2-yl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
2-bromo-5-(5-methylthiophen-2-yl)thiophene
2,2'-bithiophene

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