成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

ChemicalBook--->CAS DataBase List--->7688-25-7

7688-25-7

7688-25-7 Structure

7688-25-7 Structure
IdentificationMore
[Name]

1,4-Bis(diphenylphosphino)butane
[CAS]

7688-25-7
[Synonyms]

1,4-BIS(DIPHENYLPHOSPHINE)BUTANE
1,4-BIS(DIPHENYLPHOSPHINO)BUTANE
Butane-1,4-diylbis[diphenylphosphine]
DPPB
TETRAMETHYLENEBIS(DIPHENYLPHOSPHINE)
[4-(Diphenylphosphino)butyl](diphenyl)phosphine
1,4-butanediylbis[diphenyl-phosphin
Bis(1,4-diphenylphosphino)butane
Phosphine, 1,4-butanediylbis[diphenyl-
1,4-bis(diphenylphosphino)butane(dppb)
1,4-Bis(diphenyphosphino)Butane
1,4-Bis(diphenylphosphino)butane,98%DPPB
DPPB/1,4-BIS(DIPHENYLPHOSPHINO)BUTANE
bis-(diphenylphosphino)butane (dppb)
1,4-BIS(DIPHENYPHOSPHINO)
1,4-Bis(diphenylphosphino)butane(98%)
Bis-(Diphenylphosphino)Butane
4-Di(phenyl)phosphanylbutyl-di(phenyl)phosphane
1,4-Butanediylbis(diphenylphosphine)
[EINECS(EC#)]

231-698-7
[Molecular Formula]

C28H28P2
[MDL Number]

MFCD00003051
[Molecular Weight]

426.47
[MOL File]

7688-25-7.mol
Chemical PropertiesBack Directory
[Appearance]

white to light yellow crystal powde
[Melting point ]

132-136 °C (lit.)
[Boiling point ]

542.0±33.0 °C(Predicted)
[storage temp. ]

Inert atmosphere,Room Temperature
[form ]

Crystalline Powder
[color ]

White to almost white
[Water Solubility ]

Soluble in chloroform. Slightly soluble in water
[Detection Methods]

31P NMR HPLC
[BRN ]

706446
[InChI]

InChI=1S/C28H28P2/c1-5-15-25(16-6-1)29(26-17-7-2-8-18-26)23-13-14-24-30(27-19-9-3-10-20-27)28-21-11-4-12-22-28/h1-12,15-22H,13-14,23-24H2
[InChIKey]

BCJVBDBJSMFBRW-UHFFFAOYSA-N
[SMILES]

P(CCCCP(C1C=CC=CC=1)C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1
[CAS DataBase Reference]

7688-25-7(CAS DataBase Reference)
[NIST Chemistry Reference]

1,4-Bis(diphenylphosphino)butane(7688-25-7)
[Storage Precautions]

Store under nitrogen
[EPA Substance Registry System]

7688-25-7(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xi,F
[Risk Statements ]

R36/38:Irritating to eyes and skin .
R36/37/38:Irritating to eyes, respiratory system and skin .
R11:Highly Flammable.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
S33:Take precautionary measures against static discharges .
S16:Keep away from sources of ignition-No smoking .
S7/9:Keep container tightly closed and in a well-ventilated place .
[WGK Germany ]

3
[F ]

10-23
[TSCA ]

Yes
[HS Code ]

29319099
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Ethanol-->Sodium hydroxide-->Hydrochloric acid-->Ethyl acetate-->Tetrahydrofuran-->Dichloromethane-->Sodium-->Magnesium sulfate-->Acetone-->n-Butyllithium-->Triphenylphosphine-->Lithium-->Diphenylphosphine-->1,4-Dibromobutane-->1,4-Dichlorobutane-->Diphenyl[4-(diphenylphosphinyl)butyl]phosphine oxide
[Preparation Products]

(S)-(-)-7,7'-BIS[DI(3,5-DIMETHYLPHENYL)PHOSPHINO]-2,2',3,3'-TETRAHYDRO-1,1'-SPIROBIINDANE-->(R)-7,7'-BIS(DIPHENYLPHOSPHINO)-1,1'-SPIROBIINDANE-->(R)-(+)-7,7'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-1,1'-SPIROBIINDANE-->(S)-7,7'-Bis[di(p-methylphenyl)phosphino]-1,1'-spirobiindane ,97%-->(R)-(+)-7,7'-BIS[DI(4-METHYLPHENYL)PHOSPHINO]-2,2',3,3'-TETRAHYDRO-1,1'-SPIROBIINDANE-->(4-chlorobutyl)diphenylphosphane-->TETRAPHENYLBIPHOSPHINE
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

1,4-Bis(diphenylphosphino)butane(7688-25-7).msds
Hazard InformationBack Directory
[Chemical Properties]

white to light yellow crystal powde
[Uses]

suzuki reaction
[reaction suitability]

reagent type: ligand
reaction type: Alkylations
reagent type: ligand
reaction type: Heck Reaction
reagent type: ligand
reaction type: Isomerizations
reagent type: ligand
reaction type: Negishi Coupling
reagent type: ligand
reaction type: Sonogashira Coupling
reagent type: ligand
reaction type: Stille Coupling
reagent type: ligand
reaction type: Suzuki-Miyaura Coupling
[storage]

Readily oxidized in solution to the phosphine oxide and should be handled under N2 or Ar. The compound is air-stable in the solid state.
[Purification Methods]

Recrystallise it from EtOH [Trippett J Chem Soc 4263 1961]. [King J Coord Chem 1 62 1971, Tolman Chem Rev 77 313 1977.]
Spectrum DetailBack Directory
[Spectrum Detail]

1,4-Bis(diphenylphosphino)butane(7688-25-7)MS
1,4-Bis(diphenylphosphino)butane(7688-25-7)1HNMR
1,4-Bis(diphenylphosphino)butane(7688-25-7)13CNMR
1,4-Bis(diphenylphosphino)butane(7688-25-7)31PNMR
1,4-Bis(diphenylphosphino)butane(7688-25-7)IR1
1,4-Bis(diphenylphosphino)butane(7688-25-7)IR2
1,4-Bis(diphenylphosphino)butane(7688-25-7)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

1,4-Bis(diphenylphosphino)butane, 98%(7688-25-7)
[Alfa Aesar]

1,4-Bis(diphenylphosphino)butane, 98%(7688-25-7)
[Sigma Aldrich]

7688-25-7(sigmaaldrich)
[TCI AMERICA]

1,4-Bis(diphenylphosphino)butane,>95.0%(T)(7688-25-7)
7688-25-7 suppliers list
Company Name: Puyang Huicheng Electronic Materials Co., Ltd.
Tel: +86-0393-+86-0393-8910800 +8615839383373 , +8615839383373
Website: www.hcchems.com/
Company Name: Henan Research New Materials Co., Ltd.
Tel: +8618903931531 , +8618903931531
Website: www.researchvip.com/
Company Name: Hebei Weibang Biotechnology Co., Ltd
Tel: +8615531157085 , +8615531157085
Website: www.weibangbio.com/
Company Name: Hebei Mujin Biotechnology Co.,Ltd
Tel: +86 13288715578 +8613288715578 , +8613288715578
Website: http://www.mojinchemical.com
Company Name: Hebei Chuanghai Biotechnology Co,.LTD
Tel: +86-13131129325 , +86-13131129325
Website: www.chuanghaibio.com
Company Name: Capot Chemical Co.,Ltd.
Tel: +86-(0)57185586718 +86-13336195806 , +86-13336195806
Website: www.capot.com
Company Name: Shanghai Daken Advanced Materials Co.,Ltd
Tel: +86-371-66670886
Website: https://www.dakenchem.com/
Company Name: Henan Tianfu Chemical Co.,Ltd.
Tel: +86-0371-55170693 +86-19937530512 , +86-19937530512
Website: https://www.tianfuchem.com/
Company Name: ATK CHEMICAL COMPANY LIMITED
Tel: +undefined-21-51877795
Website: www.atkchemical.com
Company Name: AB PharmaTech,LLC
Tel: 323-480-4688
Website: www.abpharmatechusa.com
Company Name: career henan chemical co
Tel: +86-0371-86658258 +8613203830695 , +8613203830695
Website: www.coreychem.com/
Company Name: Jinan Carbotang Biotech Co.,Ltd.
Tel: +8615866703830 , +8615866703830
Website: http://www.is0513.com/ShowSupplierProductsList31189/0.htm
Company Name: Jinan Finer Chemical Co., Ltd
Tel: +86-531-88989536 +86-15508631887 , +86-15508631887
Website: http://www.finerchem.com/
Company Name: Hubei xin bonus chemical co. LTD
Tel: 86-13657291602
Website: www.is0513.com/ShowSupplierProductsList1549548/0.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.is0513.com/ShowSupplierProductsList454175/0.htm
Company Name: CONIER CHEM AND PHARMA LIMITED
Tel: +8618523575427 , +8618523575427
Website: http://www.conier.com/
Company Name: Shaanxi Dideu Medichem Co. Ltd
Tel: +86-29-81139210 +86-18192627656 , +86-18192627656
Website: www.is0513.com/manufacturer/shaanxi-dideu-medichem-219/
Tags:7688-25-7 Related Product Information
6737-42-4 5994-61-6 102-08-9 80-10-4 1079-66-9 4559-70-0 61478-28-2 61478-29-3 15546-42-6 829-85-6 638-21-1 64896-28-2 7688-25-7

This site uses cookies
This website uses cookies and similar technologies to store and retrieve information about your use of this website. This information helps us to provide, analyse and improve our services, which may include personalised content or advertising. We may share this information with Google and other third parties. This cookies are necessary for our website to work properly . By clicking "Continue" or continuing to browse our site you are agreeing to our and our partners use of cookies.
Accept