Bis((4R,5S)-4,5-diphenyl-4,5-dihydrooxazol-2-yl)methane

2,2'-亚甲基双[(4R,5S)-4,5-二苯基-2-噁唑啉]

Also known as: (4R,5S,4'R,5'S)-2,2'-Methylenebis(4,5-diphenyl-2-oxazoline), 2,2'-Methylenebis[(4R,5S)-4,5-diphenyl-2-oxazoline], 2,2'-methylenebis[(4R,5S)-4,5-diphenyloxazolin-2-yl], 2,2'-Methylenbis[(4R,5S)-4,5-diphenyl-2-oxazoline], (4R,5S,4'R,5'S)-2,2'-METHYLENEBIS(4,5-DIPHENYL-2-OXAZOLINE), (4R,5S)-di-Ph-BOX, Bis[(4R,5S)-4,5-diphenyl-4,5-dihydro-2-oxazolyl]methane

Bis((4R,5S)-4,5-diphenyl-4,5-dihydrooxazol-2-yl)methane (CAS 139021-82-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C31H26N2O2 and a molecular weight of 458.55000 g/mol. It is also known as (4R,5S,4'R,5'S)-2,2'-Methylenebis(4,5-diphenyl-2-oxazoline), 2,2'-Methylenebis[(4R,5S)-4,5-diphenyl-2-oxazoline] and 2,2'-methylenebis[(4R,5S)-4,5-diphenyloxazolin-2-yl]. Key properties include a melting point of 205-208ºC, a boiling point of 597.3ºC at 760 mmHg, a density of 1.19g/cm3 and a flash point of 250.6ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
139021-82-2
Jingsj CID
J-881706-0
Molecular Formula
C31H26N2O2
Chinese Name
2,2'-亚甲基双[(4R,5S)-4,5-二苯基-2-噁唑啉]
Molecular Weight
458.55000 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point205-208ºC
Boiling Point597.3ºC at 760 mmHg
Density1.19g/cm3
Flash Point250.6ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Bis((4R,5S)-4,5-diphenyl-4,5-dihydrooxazol-2-yl)methane?

The CAS number of Bis((4R,5S)-4,5-diphenyl-4,5-dihydrooxazol-2-yl)methane is 139021-82-2.

What are the molecular formula and molecular weight of Bis((4R,5S)-4,5-diphenyl-4,5-dihydrooxazol-2-yl)methane?

Bis((4R,5S)-4,5-diphenyl-4,5-dihydrooxazol-2-yl)methane has molecular formula C31H26N2O2 and molecular weight 458.55000 g/mol.

Is Bis((4R,5S)-4,5-diphenyl-4,5-dihydrooxazol-2-yl)methane hazardous?

Bis((4R,5S)-4,5-diphenyl-4,5-dihydrooxazol-2-yl)methane 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. "Bis((4R,5S)-4,5-diphenyl-4,5-dihydrooxazol-2-yl)methane (CAS 139021-82-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-881706-0 (accessed 2026-10-25).

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