(E)-4,4'-Dimethoxystilbene

4,4'-二甲氧基-反-芪

Also known as: trans-4,4'-Dimethoxystilbene, (E)-1,2-Bis(4-methoxyphenyl)ethene, 4,4'-Dimethoxy-trans-stilbene, 1,1'-(E)-ethene-1,2-diylbis(4-methoxybenzene)

(E)-4,4'-Dimethoxystilbene (CAS 15638-14-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H16O2 and a molecular weight of 240.297 g/mol. It is also known as trans-4,4'-Dimethoxystilbene, (E)-1,2-Bis(4-methoxyphenyl)ethene and 4,4'-Dimethoxy-trans-stilbene. Key properties include a melting point of 214ºC, a boiling point of 391.3±11.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 159.3±18.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
15638-14-9
Jingsj CID
J-31853-0
Molecular Formula
C16H16O2
Chinese Name
4,4'-二甲氧基-反-芪
Molecular Weight
240.297 g/mol
Category
Organic Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point214ºC
Boiling Point391.3±11.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point159.3±18.8 °C

Frequently Asked Questions

What is the CAS number of (E)-4,4'-Dimethoxystilbene?

The CAS number of (E)-4,4'-Dimethoxystilbene is 15638-14-9.

What are the molecular formula and molecular weight of (E)-4,4'-Dimethoxystilbene?

(E)-4,4'-Dimethoxystilbene has molecular formula C16H16O2 and molecular weight 240.297 g/mol.

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

Last updated:

How to cite: Jingsj. "(E)-4,4'-Dimethoxystilbene (CAS 15638-14-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31853-0 (accessed 2026-10-24).

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