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(2S,3S)-(-)-Bis(diphenylphosphino)butane

(2S,3S)-(-)-Bis(diphenylphosphino)butane structure

CAS No.: 64896-28-2

Chemical Name:: (2S,3S)-(-)-Bis(diphenylphosphino)butane

Synonyms: (S,S)-CHIRAPHOS;(2S,3S)-Chiraphos;93.0%(GC);(S,S)-Chiraphos,97%;(S,S)-Chiraphos, 97% 250MG;(2S 3S)-(-)-2 3-BIS(DIPHENYLPHOSPHINO)-&;(2S,3S)-(-)-Bis(diphenylphosphino)butane;(2S,3S)-(-)-2,3-BIS(DIPHENYLPHOSPHINO)BUTANE;Chiraphos, bis(diphenylphosphino)-2,3 butane;(2S,3S)-Butane-2,3-diylbis(diphenylphosphine)

CBNumber:: CB7163229

Molecular Formula:: C28H28P2

Molecular Weight:: 426.47

MDL Number:: MFCD00009836

MOL File:: 64896-28-2.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:54:42

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(2S,3S)-(-)-Bis(diphenylphosphino)butane Properties

Melting point	104-109 °C
alpha	D27 -211° (c = 1.5 in CHCl3)
Boiling point	529.2±33.0 °C(Predicted)
storage temp.	under inert gas (nitrogen or Argon) at 2-8°C
solubility	Acetonitrile, Chloroform
form	crystal
color	white
optical activity	[α]22/D 191°, c = 1.5 in chloroform
Sensitive	Air Sensitive
Merck	14,2063
BRN	4268869
InChI	InChI=1/C28H28P2/c1-23(29(25-15-7-3-8-16-25)26-17-9-4-10-18-26)24(2)30(27-19-11-5-12-20-27)28-21-13-6-14-22-28/h3-24H,1-2H3/t23-,24-/s3
InChIKey	FWXAUDSWDBGCMN-DPVGMKQNNA-N
SMILES	P([C@@H](C)[C@H](C)P(C1C=CC=CC=1)C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1 \|&1:1,3,r\|
CAS DataBase Reference	64896-28-2(CAS DataBase Reference)
FDA UNII	6QR78GZL9B
UNSPSC Code	12352002
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P264-P271-P280-P302+P352-P305+P351+P338

target organs

Respiratory system

PPE

dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes

Risk Statements

36/37/38

Safety Statements

37/39-26-36

WGK Germany

TSCA

HS Code

29310099

Storage Class

11 - Combustible Solids

Hazard Classifications

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

NFPA 704

	1
2		0

(2S,3S)-(-)-Bis(diphenylphosphino)butane price More Price(53)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	259098	(2S,3S)-(?)-Bis(diphenylphosphino)butane	64896-28-2	250mg	$215	2026-04-30	Buy
Sigma-Aldrich	259098	(2S,3S)-(?)-Bis(diphenylphosphino)butane	64896-28-2	1g	$810	2026-04-30	Buy
TCI Chemical	B2704	(2S,3S)-(-)-Bis(diphenylphosphino)butane >93.0%(GC)	64896-28-2	1g	$294	2026-04-30	Buy
TCI Chemical	B2704	(2S,3S)-(-)-Bis(diphenylphosphino)butane >93.0%(GC)	64896-28-2	100mg	$54	2026-04-30	Buy
Strem Chemicals	15-0160	(2S,3S)-(-)-Bis(diphenylphosphino)butane (S,S)-CHIRAPHOS, min. 98% min.98%	64896-28-2	250mg	$115	2026-04-30	Buy

Product number	Packaging	Price	Buy
259098	250mg	$215	Buy
259098	1g	$810	Buy
B2704	1g	$294	Buy
B2704	100mg	$54	Buy
15-0160	250mg	$115	Buy

(2S,3S)-(-)-Bis(diphenylphosphino)butane Chemical Properties, Uses, Production

Uses

(2S,3S)-(-)-Bis(diphenylphosphino)butane, also known as (S,S)-Chiraphos, is a chiral ligand used in the preparation of bimetallic chromium and diphosphine-ruthenium (II) diallyl complexes.

Reaction

Useful as a ligand in the Ni-catalyzed asymmetric additions to allylic ketals. Reactions of 64896-28-2

Chemical Properties

white granular powder

Uses

Ligand for palladium-catalyzed carbon-carbon bond formation.

Uses

Ligand for Pd-catalyzed carbon-carbon bond formation.

Uses

(2S,3S)-(-)-Bis(diphenylphosphino)butane, also known as (S,S)-Chiraphos, is a chiral ligand used in the preparation of bimetallic chromium and diphosphine-ruthenium (II) diallyl complexes.

(2S,3S)-(-)-Bis(diphenylphosphino)butane Preparation Products And Raw materials

Raw materials

Preparation Products

(2S,3S)-(-)-Bis(diphenylphosphino)butane Suppliers

Global Suppliers ( 148)

Supplier	Tel	Email	Country	ProdList	Advantage
SHAOXING ZHIJUN PHARMACEUTICAL TECHNOLOGY CO.,LTD	0575-82126188 13858337171	service@zejunpharma.com	China	75	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Shanghai Longsheng chemical Co.,Ltd.	58099637 13585536065	sales@shlschem.com	China	9880	59
Chemsky（shanghai）International Co.,Ltd.	021-50135380	shchemsky@sina.com	China	32273	50
Daicel Chiral Technologies (China)CO.,LTD	021-50460086-9 15921403865	han_yajun@dctc.daicel.com	China	7909	65
Thermo Fisher Scientific	800-810-5118	cnchemical@thermofisher.com	China	17752	75

Supplier	Advantage
SHAOXING ZHIJUN PHARMACEUTICAL TECHNOLOGY CO.,LTD	58
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Alfa Aesar	84
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Shanghai Longsheng chemical Co.,Ltd.	59
Chemsky（shanghai）International Co.,Ltd.	50
Daicel Chiral Technologies (China)CO.,LTD	65
Thermo Fisher Scientific	75

View Latest Price from (2S,3S)-(-)-Bis(diphenylphosphino)butane manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-04-02	((2S,3S)-butane-2,3-diyl)bis(diphenylphosphane) 64896-28-2		1KG	99%	250KG	XINXIANG RUNYU MATERIAL CO., LTD.
	2019-08-08	(2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE 64896-28-2	$1.00-2.00	1KG	98%	1kg,10kg,100kg	Career Henan Chemical Co

((2S,3S)-butane-2,3-diyl)bis(diphenylphosphane)
64896-28-2
99%
XINXIANG RUNYU MATERIAL CO., LTD.

(2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE
64896-28-2
$1.00-2.00
98%
Career Henan Chemical Co

(2S,3S)-(-)-Bis(diphenylphosphino)butane Spectrum

(2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE(64896-28-2)¹HNMR (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE(64896-28-2)³¹PNMR (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE(64896-28-2)FT-IR (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE(64896-28-2)Raman

64896-28-2 ((2S,3S)-(-)-Bis(diphenylphosphino)butane) Related Search:

(2R,3R)-(+)-Bis(diphenylphosphino)butane Diphenylphosphine Sulfur dichloride Sulfur dioxide 1,4-Bis(diphenylphosphino)butane-palladium(II) chloride

1,4-Bis(diphenylphosphino)butane (+)-DIOP (-)-DIOP (3S,4S)-(-)-1-Benzyl-3,4-bis(diphenylphosphino)pyrrolidine (2S,3S)-(-)-Bis(diphenylphosphino)butane

(3S,4S)-(-)-Bis(diphenylphosphino)pyrrolidine (2S,3S)-(+)-2,3-Bis(diphenylphosphino)-bicyclo[2.2.1]hept-5-ene 1,4-Bis(diphenylphosphino)butane Monooxide (2S,3S)-(+)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene(1,5-cyclooctadiene)rhodium(I)tetrafluoroborate,min.97%(S,S)-NORPHOS-Rh [1,4-Bis(diphenylphosphino)butane](1,5-cyclooctadiene)rhodium(I) tetra-fluoroborate

(Bicyclo[2.2.1]hepta-2,5-diene)[1,4-bis(diphenylphosphino)butane]rhodium(I) tetrafluoroborate Dichloro[1,4-bis(diphenylphosphino)butane]nickel(II) (+)-2,3-O-Isopropyliden-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane

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(2S,3S)-(-)-2,3-BIS(DIPHENYLPHOSPHINO)BUTANE (2S,3S)-(-)-Bis(diphenylphosphino)butane (S,S)-CHIRAPHOS, min. 98% Chiraphos, bis(diphenylphosphino)-2,3 butane (2S,3S)-(-)-Bis(diphenylphosphino)butane,(S,S)-CHIRAPHOS (2S 3S)-(-)-2 3-BIS(DIPHENYLPHOSPHINO)-& (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE (S,S)-CHIRAPHOS, (C=1.5,CHCL3) SULFONYLCHLORIDE,SULFURICOXY,SULFURYLCHLORIDE,CHLOROSLFURICACID,SULFURICCHLORIDE/(S,S)-CHIRAPHOS (S,S)-Chiraphos,97% (2S,3S)-(-)-Bis(diphenylphosphino)butane, 99% (S,S)-CHIRAPHOS (S,S)-Chiraphos, 97% 250MG (2S,3S)-Butane-2,3-diylbis(diphenylphosphine) (S,S)-Chiraphos, (2S,3S)-(-)-2,3-Bis(diphenylphosphino)butane (2S,3S)-(-)-Bis(diphenylphosphino)butane, 98% (S,S)-CHIRAPHOS (2S,3S)-(-)-Bis(diphenylphosphino)butane (>90%) ((2R,3S)-Butane-2,3-diyl)bis(diphenylphosphane) ((2S,3S)-butane-2,3-diyl)bis(diphenylphosphane) 1,1'-[(1S,2S)-1,2-Dimethyl-1,2-ethanediyl]bis[1,1-diphenyl-phosphine 2,2-Bis(4-hydroxycyclohexyl)propane (mixture of isomers)> 93.0%(GC) Phosphine, 1,1'-[(1S,2S)-1,2-dimethyl-1,2-ethanediyl]bis[1,1-diphenyl- (2S,3S)-(-)-Bis(diphenylphosphino)butane,98%,99%ee (1S,2S)-2-Diphenylphosphanyl-1-methyl-propyl-diphenyl-phosphane (2S,3S)-(-)-Bis(diphenylphosphino)butane (S,S)-CHIRAPHOS，97% (2S,3S)-(?)-Bis(diphenylphosphino)butane (2S,3S)-Chiraphos (S,S)-CHIRAPHOS (2S,3S)-(-)-Bis(diphenylphosphino)butane 64896-28-2 C6H52PCHCH3CHCH3PC6H52 -CHCH3PC6H522 Other Chiral Ligands Asymmetric Synthesis Phosphine Ligands Chiral Catalysts, Ligands, and Reagents Chiral Phosphine organophosphine ligand Asymmetric Synthesis Phosphine Ligands Synthetic Organic Chemistry