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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: ano)benzene;(S,S)-ET-DUPHOS;(SS)-Et-DuPhosTM;(S,S)-ETHYL-DUPHOS;(+)-1,2-BIS[(2S,5S)-2,5-DIETHYLPHOSPHOLANO]BENZENE;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-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

Last updated:2026-01-13 11:24:05

Product description	Number	Pack Size	Price
(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene Namena purity	668486	500mg	$283
(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene Namena purity	668486	100mg	$108
(+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene, 98+% (S,S)-Et-DUPHOS	15-0098	100mg	$82
(+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene, 98+% (S,S)-Et-DUPHOS	15-0098	500mg	$283
(+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene, 98+% (S,S)-Et-DUPHOS	15-0098	2g	$917

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(+)-1,2-BIS[(2S,5S)-2,5-DIETHYLPHOSPHOLANO]BENZENE Properties

alpha	+265° (c 1, hexane)
Boiling point	468.5±15.0 °C(Predicted)
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(21)

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	$283	2025-07-31	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	136779-28-7	100mg	$82	2024-03-01	Buy
Strem Chemicals	15-0098	(+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene, 98+% (S,S)-Et-DUPHOS	136779-28-7	500mg	$283	2024-03-01	Buy
Strem Chemicals	15-0098	(+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene, 98+% (S,S)-Et-DUPHOS	136779-28-7	2g	$917	2024-03-01	Buy

Product number	Packaging	Price	Buy
668486	500mg	$283	Buy
668486	100mg	$108	Buy
15-0098	100mg	$82	Buy
15-0098	500mg	$283	Buy
15-0098	2g	$917	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( 60)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
BOC Sciences	+1-631-485-4226	inquiry@bocsci.com	United States	19552	58
Career Henan Chemica Co	+86-0371-86658258 +8613203830695	laboratory@coreychem.com	China	30229	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 +8617705817739	info@dycnchem.com	China	52846	58
Henan Alfa Chemical Co., Ltd	+8615838112936	sale03@alfachem.cn	China	12830	58
Hangzhou MolCore BioPharmatech Co.,Ltd.	+86-057181025280; +8617767106207	sales@molcore.com	China	49734	58
PT CHEM GROUP LIMITED	+86-85511178;	peter68@ptchemgroup.com	China	35425	58
GIHI CHEMICALS CO.,LIMITED	+86-571-86217390; +8618058761490	info@gihichemicals.com	China	49964	58
HANGZHOU LEAP CHEM CO., LTD.	+86-571-87711850	market18@leapchem.com	China	43333	58
Aladdin Scientific		tp@aladdinsci.com	United States	52923	58
NANJING YINGWEN BIOTECHNOLOGY CO LTD	+8613382787392	sales@aeechem.com	China	9999	58

Supplier	Advantage
BOC Sciences	58
Career Henan Chemica Co	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
Henan Alfa Chemical Co., Ltd	58
Hangzhou MolCore BioPharmatech Co.,Ltd.	58
PT CHEM GROUP LIMITED	58
GIHI CHEMICALS CO.,LIMITED	58
HANGZHOU LEAP CHEM CO., LTD.	58
Aladdin Scientific	58
NANJING YINGWEN BIOTECHNOLOGY 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 (+)-1,2-BIS[(2S,5S)-2,5-DIMETHYLPHOSPHOLANO]BENZENE (S)-5-fluoro-3-methylisobenzofuran-1(3H)-one (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE (-)-1,2-BIS((2R,5R)-2,5-DIETHYLPHOSPHOLANO)BENZENE

Benzene (+)-1,2-BIS((2S,5S)-2,5-DIETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM (I) TRIFLUOROMETHANESULFONATE (-)-1,2-BIS((2R,5R)-2,5-DIETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM(L)TETRAFLUOROBORATE (-)-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((2R,5R)-2,5-DIETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM(I)TRIFLUOROMETHANESULFONATE (+)-1,2-BIS((2S,5S)-2,5-DIETHYLPHOSPHOLANO)BENZENE(CYCLOOCTADIENE)RHODIUM(L)TETRAFLUOROBORATE (+)-1,2-Bis[(2R,5R)-2,5-diisopropylphospholano]benzene (+)-1,2-BIS[(2S,5S)-2,5-DIETHYLPHOSPHOLANO]BENZENE

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(S,S)-ETHYL-DUPHOS (S,S)-ET-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-DIETHYLPHOSPHOLANO]BENZENE (+)-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] 136779-28-7 C22H36P2 Chiral Catalysts, Ligands, and Reagents Asymmetric Synthesis Privileged Ligands DuPhos/BPE organophosphine ligand