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(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene

(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene structure

CAS No.: 136779-28-7

Chemical Name:: (+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene

Synonyms: (S,S)-ET-DUPHOS;ano)benzene;(SS)-Et-DuPhosTM;(S,S)-ETHYL-DUPHOS;1,2-Bis((2S,5S)-2,5-diethylphospholan-1-yl)benzene;(+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene;1,2-Bis[(2S,5S)-2,5-diethyl-1-phospholanyl]benzene;(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene;(+)-1,2-Bis[(2S,5S)-2,5-diethyl-1-phospholanyl]benzene, 97+%;1,2-Bis((2S,5S)-2,5-diethylphospholan-1-yl)benzene - [B94182]

CBNumber:: CB6458276

Molecular Formula:: C22H36P2

Molecular Weight:: 362.47

MDL Number:: MFCD00142321

MOL File:: 136779-28-7.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:54:16

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(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene Properties

Boiling point	468.5±15.0 °C(Predicted)
alpha	+265° (c 1, hexane)
Density	1.010 g/mL at 25 °C
refractive index	n20/D 1.581
Flash point	>230 °F
storage temp.	under inert gas (nitrogen or Argon) at 2-8°C
Appearance	Colorless to light yellow Viscous Liquid
optical activity	146.34°(C=1.00g/100mL, hexane, 20°C, 589nm)
Sensitive	Air Sensitive
BRN	4814174
InChI	1S/C22H36P2/c1-5-17-13-14-18(6-2)23(17)21-11-9-10-12-22(21)24-19(7-3)15-16-20(24)8-4/h9-12,17-20H,5-8,13-16H2,1-4H3/t17-,18-,19-,20-/m0/s1
InChIKey	GVVCHDNSTMEUCS-MUGJNUQGSA-N
SMILES	CC[C@H]1CC[C@H](CC)P1c2ccccc2P3[C@@H](CC)CC[C@@H]3CC
FDA UNII	FRI8026KMA
UNSPSC Code	12352005
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

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-36

WGK Germany

1-10

Storage Class

10 - Combustible liquids

Hazard Classifications

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

NFPA 704

	1
2		0

(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene price More Price(28)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	668486	(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene Namena purity	136779-28-7	500mg	$301	2026-04-30	Buy
Sigma-Aldrich	668486	(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene Namena purity	136779-28-7	100mg	$108	2024-03-01	Buy
Strem Chemicals	15-0098	(+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene, 98+% (S,S)-Et-DUPHOS 98+%	136779-28-7	100mg	$84	2026-04-30	Buy
Strem Chemicals	15-0098	(+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene, 98+% (S,S)-Et-DUPHOS 98+%	136779-28-7	500mg	$288	2026-04-30	Buy
Strem Chemicals	15-0098	(+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene, 98+% (S,S)-Et-DUPHOS 98+%	136779-28-7	2g	$932	2026-04-30	Buy

Product number	Packaging	Price	Buy
668486	500mg	$301	Buy
668486	100mg	$108	Buy
15-0098	100mg	$84	Buy
15-0098	500mg	$288	Buy
15-0098	2g	$932	Buy

(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene Chemical Properties, Uses, Production

Reaction

Ligand used in rhodium catalyzed asymmetric hydrogenation of 2-methylenesuccinamic acid. Reactions of 136779-28-7

Uses

DuPhos and BPE Ligands: Highly Efficient Privileged Ligands

(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene Preparation Products And Raw materials

Raw materials

Preparation Products

(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene Suppliers

Global Suppliers ( 62)

Supplier	Tel	Email	Country	ProdList	Advantage
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
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	025-66028182 17714375163	yftan@aikonchem.com	China	16674	50
Sigma-Aldrich	021-61415566 800-8193336	orderCN@merckgroup.com	China	51389	80
LaaJoo	021-60702684 18516024827	huang.jiayi@sinocompound.com	China	2280	58
Shandong Ono Chemical Co., Ltd.	0539-6362799 20）		China	9998	58
Domole Scientific	13275595566; 13275595566	domole@infsci.com	China	300	58
Shanghai Tube Pharmaceutical Co., Ltd.	021-54338626 18017892860	sales@tubepharm.com	China	2709	58

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Alfa Aesar	84
Energy Chemical	61
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	50
Sigma-Aldrich	80
LaaJoo	58
Shandong Ono Chemical Co., Ltd.	58
Domole Scientific	58
Shanghai Tube Pharmaceutical Co., Ltd.	58

136779-28-7 ((+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene) Related Search:

(R)-5-fluoro-3-methylisobenzofuran-1(3H)-one (S)-5-fluoro-3-methylisobenzofuran-1(3H)-one (-)-1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene (+)-1,2-Bis[(2S,5S)-2,5-dimethylphospholano]benzene (-)-1,2-Bis((2R,5R)-2,5-diethylphospholano)benzene

(-)-1,2-Bis((2R,5R)-2,5-diethylphospholano)benzene(cyclooctadiene)rhodium(l)tetrafluoroborate (+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene(cyclooctadiene)rhodium(l)tetrafluoroborate (+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene(cyclooctadiene)rhodium (I) trifluoromethanesulfonate (-)-1,2-Bis((2R,5R)-2,5-diethylphospholano)benzene(cyclooctadiene)rhodium(I)trifluoromethanesulfonate (+)-1,2-Bis((2R,5R)-2,5-di-I-propylphospholano)benzene)1,5-cyclooctadiene)rhodium (I) tetrafluoroborate

(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene Benzene (-)-1,2-Bis((2R,5R)-2,5-diethylphospholano)benzene(cyclooctadiene)rhodium(I) trifluoromethanesulfonate (+)-1,2-Bis[(2R,5R)-2,5-diisopropylphospholano]benzene

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(S,S)-ETHYL-DUPHOS 1,2-Bis((2S,5S)-2,5-diethylphospholan-1-yl)benzene (+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene, Kanata purity (+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene,98+%(S,S)-Et-DUPHOS (S,S)-Ethyl-DUPHOS, (2S,2μS,5S,5μS)-2,2μ,5,5μ-Tetraethyl-1,1μ-(o-phenylene)diphospholane (2S,2'S,5S,5'S)-2,2',5,5'-TETRAETHYL-1,1'-(1,2-PHENYLENE)DIPHOSPHOLANE (2S,2'S,5S,5'S)-2,2',5,5'-TETRAETHYL-1,1'-(O-PHENYLENE)DIPHOSPHOLANE (+)-1,2-Bis[(2S,5S)-2,5-diethyl-1-phospholanyl]benzene, 97+% (+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene (S,S)-Et-DUPHOS ano)benzene Phospholane, 1,1'-(1,2-phenylene)bis[2,5-diethyl-, (2S,2'S,5S,5'S)- (+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene (2S,5S)-1-[2-[(2S,5S)-2,5-diethylphospholan-1-yl]phenyl]-2,5-diethylphospholane (SS)-Et-DuPhosTM 1,2-Bis[(2S,5S)-2,5-diethyl-1-phospholanyl]benzene (+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene 1,2-Bis((2S,5S)-2,5-diethylphospholan-1-yl)benzene - [B94182] (S,S)-ET-DUPHOS (+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene 136779-28-7 C22H36P2 Chiral Catalysts, Ligands, and Reagents Asymmetric Synthesis Privileged Ligands DuPhos/BPE organophosphine ligand