1,4-Bis(diphenylphosphino)butane (DPPB) CAS 7688-25-7 Purity >98.0% (HPLC)

Short Description:

Chemical Name: 1,4-Bis(diphenylphosphino)butane

Synonyms: Tetramethylenebis(diphenylphosphine); DPPB

CAS: 7688-25-7

Purity: >98.0% (HPLC)

Appearance: White or Off-White Crystalline Powder

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Product Detail

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Description:

Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer and supplier of 1,4-Bis(diphenylphosphino)butane (DPPB) (CAS: 7688-25-7) with high quality. We can provide COA, worldwide delivery, small and bulk quantities available. If you are interested in this product, please send detailed information includes CAS number, product name, quantity to us. Please contact: alvin@ruifuchem.com

Chemical Properties:

Chemical Name	1,4-Bis(diphenylphosphino)butane
Synonyms	Tetramethylenebis(diphenylphosphine); DPPB
CAS Number	7688-25-7
CAT Number	RF2316
Stock Status	In Stock, Production Scale Up to Tons
Molecular Formula	C28H28P2
Molecular Weight	426.48
Sensitive	Air Sensitive, Heat Sensitive
Solubility	Soluble in Chloroform. Slightly Soluble in Water
Storage	Ambient Temperature
Brand	Ruifu Chemical

Specifications:

Item	Specifications
Appearance	White or Off-White Crystalline Powder
Purity / Analysis Method	>98.0% (HPLC)
Melting Point	132.0~136.0℃
Water (by Karl Fischer)	<1.00%
Solubility (Turbidity)	Clear to Very Slightly Hazy 2.5% in Chloroform
Solubility (Color)	Colorless to Very Faint Yellow
Total Impurities	<2.00%
Infrared Spectrum	Conforms to Structure
Proton NMR Spectrum	Conforms to Structure
Test Standard	Enterprise Standard
Usage	Pharmaceutical Intermediates

Package & Storage:

Package: Bottle, Aluminum foil bag, 25kg/Cardboard Drum, or according to customer's requirement

Storage Condition: Store in sealed containers at cool and dry place; Protect from light and moisture

Advantages:

Sufficient Capacity: Sufficient facilities and technicians

Professional Service: One stop purchasing service

OEM Package: Custom package and label available

Fast Delivery: If within stock, three days delivery guaranteed

Stable Supply: Maintain reasonable stock

Technical Support: Technology solution available

Custom Synthesis Service: Ranged from grams to kilos

High Quality: Established a complete quality assurance system

FAQ:

How to Purchase? Please contact: sales@ruifuchem.com or alvin@ruifuchem.com

Quality Assurance? Reliable quality assurance, strict management. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.

Free Samples? Most products provide free samples for quality evaluation available, but the shipping cost should be paid by customers.

Factory Audit? Factory audit welcome. Please make an appointment in advance.

MOQ? No MOQ. Small order is acceptable.

Delivery Time? If within stock, three days delivery guaranteed.

Transportation? By Express (FedEx, DHL), by Air, by sea.

Custom Synthesis? Can provide custom synthesis services.

Payment Terms? Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc.

Application:

1,4-Bis(diphenylphosphino)butane (DPPB) (CAS: 7688-25-7) is used in Suzuki-Miyaura Cross Coupling Reaction or used as Ligands. It plays an essential role as a ligand in palladium(0)-catalyzed acylcyanation of arylacetylenes and deprotection of allyloxycarbamates. It acts as a ligand for alkylations, isomerization reactions and in organometallic chemistry. Further, it is used in Heck reaction, Negishi coupling and Sonogashira coupling. In addition to this, it is useful in organometallic chemistry.