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(2R,3R)-(+)-bis-(Diphenylphosphino)butane

BGC Id:490871840459
CAS No:74839-84-2
Synonyms:(2r,3r)-(+)-2,3-bis(diphenylphosphino)butane (r,r)-chiraphos ; (2r,3r)-butane-2,3-diylbis(diphenylphosphane) ; phosphine,(1,2-dimethyl-1,2-ethanediyl)bis[diphenyl-, [r-(r*,r*)]- ; phosphine,[(1r,2r)-1,2-dimethyl-1,2-ethanediyl]bis[diphenyl- (9ci) ; (2r,3r)-(+)-bis(diphenylphosphino)butane ; (2r,3r)-(+)-bis(diphenylphosphino)butane, 98% (r,r)-chiraphos ; cira ; (r,r)-2,3-bis(diphenylphosphino)butane ; (r,r)-chiraphos ; (2r,3r)-bis(diphenylphosphino)butane ; (2r,3r)-(+)-2,3-bis(diphenyl phosphino)butane ; (r,r)-chiraphos,97% ; (2r,3r)-(+)-bis(diphenylphosphino)butane, (r,r)-chiraphos ; 2,3-bis(diphenylphosphino)butane
Molecular Formula:C28H28P2
Molecular Weight:426.47
EINECS:
Structural Formula

Verified providers in 2025

The following 2 notable providers have been checked and can be recommended.
Chemical-Suppliers
Leap Chem
Molecular Formula: C28H28P2 Molecular Weight: 426.47 Hazard Symbols: Xi WGKGermany: 3 HS Code: 29310099

The last intensive check and update was carried out on 2025/07/31.

Identify

Synonyms:
(2r,3r)-(+)-2,3-bis(diphenylphosphino)butane (r,r)-chiraphos ; (2r,3r)-butane-2,3-diylbis(diphenylphosphane) ; phosphine,(1,2-dimethyl-1,2-ethanediyl)bis[diphenyl-, [r-(r*,r*)]- ; phosphine,[(1r,2r)-1,2-dimethyl-1,2-ethanediyl]bis[diphenyl- (9ci) ; (2r,3r)-(+)-bis(diphenylphosphino)butane ; (2r,3r)-(+)-bis(diphenylphosphino)butane, 98% (r,r)-chiraphos ; cira ; (r,r)-2,3-bis(diphenylphosphino)butane ; (r,r)-chiraphos ; (2r,3r)-bis(diphenylphosphino)butane ; (2r,3r)-(+)-2,3-bis(diphenyl phosphino)butane ; (r,r)-chiraphos,97% ; (2r,3r)-(+)-bis(diphenylphosphino)butane, (r,r)-chiraphos ; 2,3-bis(diphenylphosphino)butane
CAS:
74839-84-2
EINECS:
Molecular Formula:
C28H28P2
MDL:
MFCD00075403
SMILES:
CC(C)(C)C(=O)NC1=C(N=C(C=C1)I)Cl

Properties

Molecular Weight:
426.47 g·mol−1
Melting point:
104-109 °C
Boiling point:
529.2 °C at 760 mmHg
Flash point:
291.2 °C
Physical Description:
white crystalline powder
download Download Molfile for :
(2R,3R)-Bis(diphenylphosphino)butane

Suppliers

Skyrun Industrial Co., Ltd.

公司類型: Leading producer
Skyrun Industrial Co.Limited, established in 2003, a state-controlled company (By Skyrun Corp. & High Hope) in China, specializing in developing, producing and handing raw pharmaceutical material and intermediates. We have expanded a compositive entity from initially only as a small manufacturer. 2-Bromo-5-methoxybenzonitrile也將會由我們提供。 We have extensive knowledge of domestic and international pharmaceutical markets. Our working range can be start from small amount in research stage to big bulk for industrial produc ...
國家: P.R.China   打電話: +86-576-84015261   傳真: +86-576-84015261

Leap Chem Co., Ltd

公司類型: Bulk and laboratory supplier
國家: P.R.China
打電話: +852-30606658
LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. 我們提供我們的化工產品2-Bromo-4-methylpyridine N-oxide。 As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner. Our client list includes many major pharmac ...

Safety Information

Hazard Classes:
Risk Codes:
36/37/38 (R)
Safety Codes:
36/37/39-26-37/39 (S)



The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

Santa Cruz Biotechnology, Inc.
Santa Cruz Biotechnology, Inc. now offers over 140,000 specialty biochemicals under our ChemCruz™ brand. Santa Cruz Biotechnology, Inc. is focused... Request
CM Fine Chemicals
CM Fine Chemicals, being a privately owned Swiss company, has been manufacturing and providing fine chemicals, intermediates and reagents to all kind ... Request
Santa Cruz Biotechnology, Inc.
Santa Cruz Biotechnology, Inc. now offers over 140,000 specialty biochemicals under our ChemCruz™ brand. Santa Cruz Biotechnology, Inc. is focused... Request

What other providers are available for CAS 74839-84-2?

In addition to the providers presented here for (2R,3R)-(+)-bis-(Diphenylphosphino)butane with the CAS number 74839-84-2, there are other 9 providers with slightly different product names available for this CAS number.

BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +5 additional providers that we know from the past
+2 additional providers that we know from the past




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