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

(+)-1,2-双((2S,5S)-2,5-二乙基磷)苯

Also known as: (+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene, (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, (2S,5S)-1-[2-[(2S,5S)-2,5-diethylphospholan-1-yl]phenyl]-2,5-diethylphospholane, (S,S)-Et-DUPHOS, (S,S)-Ethyl-DUPHOS, 1,2-Bis((2S,5S)-2,5-diethylphospholan-1-yl)benzene, MFCD00142321, UNII-FRI8026KMA

(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene (CAS 136779-28-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C22H36P2 and a molecular weight of 362.46900 g/mol. It is also known as (+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene, (2S,2'S,5S,5'S)-2,2',5,5'-Tetraethyl-1,1'-(1,2-phenylene)diphospholane and (2S,2'S,5S,5'S)-2,2',5,5'-Tetraethyl-1,1'-(o-phenylene)diphospholane. Key properties include a boiling point of 468.5ºC at 760 mmHg, a density of 1.010 g/mL at 25ºC and a flash point of >230 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
136779-28-7
Jingsj CID
J-8915-3
Molecular Formula
C22H36P2
Chinese Name
(+)-1,2-双((2S,5S)-2,5-二乙基磷)苯
Molecular Weight
362.46900 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point468.5ºC at 760 mmHg
Density1.010 g/mL at 25ºC
Flash Point>230 °F

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of (+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene?

The CAS number of (+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene is 136779-28-7.

What are the molecular formula and molecular weight of (+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene?

(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene has molecular formula C22H36P2 and molecular weight 362.46900 g/mol.

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

(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene (CAS 136779-28-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8915-3 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.