天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

ChemicalBook--->CAS DataBase List--->4805-22-5

4805-22-5

4805-22-5 Structure

4805-22-5 Structure
IdentificationMore
[Name]

5,5'-Dibromo-2,2'-bithiophene
[CAS]

4805-22-5
[Synonyms]

5,5'-DIBROMO-2,2'-BITHIOPHENE
SPECS AC-776/41252583
5,5'-dibromo-2,2'-dithiophene
5,5''-DIBROMO-2,2''-BITHIOPHENE: 99.8%
2,2'-Bi(5-bromothiophene)
[EINECS(EC#)]

695-323-2
[Molecular Formula]

C8H4Br2S2
[MDL Number]

MFCD00219110
[Molecular Weight]

324.06
[MOL File]

4805-22-5.mol
Chemical PropertiesBack Directory
[Appearance]

white to light yellow shiny flakes or
[Melting point ]

144-146 °C(lit.)
[Boiling point ]

318.6±37.0 °C(Predicted)
[density ]

1.951±0.06 g/cm3(Predicted)
[storage temp. ]

Keep in dark place,Sealed in dry,Room Temperature
[form ]

powder to crystal
[color ]

White to Light yellow to Light orange
[Water Solubility ]

Slightly soluble in water.
[Usage]

A termination reagent for polymer ization
[CAS DataBase Reference]

4805-22-5(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
[Safety Statements ]

S36/37:Wear suitable protective clothing and gloves .
[WGK Germany ]

3
[HS Code ]

29349990
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Diethyl ether-->Chloroform-->n-Butyllithium-->Cupric bromide-->2,5-Dibromothiophene
[Preparation Products]

[2,2’]bithiophenyl-5,5'-dicarbaldehyde-->5-BROMO-2,2'-BITHIOPHENE-5'-CARBOXALDEHYDE-->ALPHA-SEXITHIOPHENE-->3,3'''-dioctyl-2,2':5',5'':2'',2'''-quaterthiophene-->5,5μ-Bis(3-dodecyl-2-thienyl)-2,2μ-bithiophene
Hazard InformationBack Directory
[Chemical Properties]

white to light yellow shiny flakes or
[Uses]

A termination reagent for polymer ization
[Uses]

It is an active pharmaceutical ingredient and an OLED (organic light-emitting diode) intermediate.
Spectrum DetailBack Directory
[Spectrum Detail]

5,5'-Dibromo-2,2'-bithiophene(4805-22-5)IR
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

[Sigma Aldrich]

4805-22-5(sigmaaldrich)
[TCI AMERICA]

4805-22-5 suppliers list
Company Name: Henan Fengda Chemical Co., Ltd
Tel: +86-371-86557731 +86-13613820652 , +86-13613820652
Website: http://www.fdachem.com
Company Name: Springchem New Material Technology Co.,Limited
Tel: +86-021-62885108 +8613917661608 , +8613917661608
Website: http://www.spring-chem.com/
Company Name: Shanghai Daken Advanced Materials Co.,Ltd
Tel: +86-371-66670886
Website: https://www.dakenchem.com/
Company Name: ATK CHEMICAL COMPANY LIMITED
Tel: +undefined-21-51877795
Website: www.atkchemical.com
Company Name: career henan chemical co
Tel: +86-0371-86658258 +8613203830695 , +8613203830695
Website: www.coreychem.com/
Company Name: Shenzhen Nexconn Pharmatechs Ltd
Tel: +86-755-89396905 +86-15013857715 , +86-15013857715
Website: http://www.approvedhomemanagement.com/ShowSupplierProductsList31188/0.htm
Company Name: Chongqing Chemdad Co., Ltd
Tel: +86-023-6139-8061 +86-86-13650506873 , +86-86-13650506873
Website: http://www.chemdad.com/
Company Name: Alchem Pharmtech,Inc.
Tel: 8485655694
Website: www.approvedhomemanagement.com/ShowSupplierProductsList454175/0.htm
Company Name: CONIER CHEM AND PHARMA LIMITED
Tel: +8618523575427 , +8618523575427
Website: http://www.conier.com/
Company Name: Fuxin Pharmaceutical
Tel: +86-021-021-50872116 +8613122107989 , +8613122107989
Website: http://www.fuxinpharm.com
Company Name: SHANGHAI T&W PHARMACEUTICAL CO., LTD.
Tel: +86-021-61551413 +8618813727289 , +8618813727289
Website: http://www.trustwe.com/
Company Name: Puyang Huicheng Electronic Materials Co., Ltd.
Tel: +86-0393-+86-0393-8910800 +8615839383373 , +8615839383373
Website: www.hcchems.com/
Company Name: Neostar United (Changzhou) Industrial Co., Ltd.
Tel: +86-0519-85551759 +8613506123987 , +8613506123987
Website: www.neostarunited.com
Company Name: Zhengzhou Alfa Chemical Co.,Ltd
Tel: +8618530059196 , +8618530059196
Website: http://www.approvedhomemanagement.com/manufacturer/zhengzhou-alfa-chemical-276/
Company Name: SIMAGCHEM CORP
Tel: +86-13806087780 , +86-13806087780
Website: http://www.simagchem.com/
Company Name: Hefei TNJ Chemical Industry Co.,Ltd.
Tel: +86-0551-65418671 +8618949823763 , +8618949823763
Website: www.tnjchem.com
Company Name: Dideu Industries Group Limited
Tel: +86-29-89586680 +86-15129568250 , +86-15129568250
Website: https://www.dideu.com
Company Name: AFINE CHEMICALS LIMITED
Tel: +86-0571-85134551
Website: www.afinechem.com/index.html
Tags:4805-22-5 Related Product Information
79277-67-1 110-01-0 77-48-5 3296-90-0 3141-27-3 78-75-1 58-71-9 492-97-7 4805-22-5