4,4'-Dimethoxystilbene
Also known as: 1,2-Bis(4-methoxyphenyl)ethene, 1-methoxy-4-[(E)-2-(4-methoxyphenyl)ethenyl]benzene, Bianisal, Bianisylidene, Photoanethole, p,p'-Dimethoxystilbene, trans-4,4'-Dimethoxystilbene, NSC 4192, 1,1'-(E)-ethene-1,2-diylbis(4-methoxybenzene)
4,4'-Dimethoxystilbene (CAS 4705-34-4) 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 240.29700 g/mol. Key properties include a melting point of 213-215ºC, a boiling point of 391.3ºC at 760 mmHg, a density of 1.089g/cm3 and a flash point of 159.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4705-34-4
- Jingsj CID
- J-25426-2
- Molecular Formula
- C16H16O2
- Molecular Weight
- 240.29700 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 213-215ºC |
|---|---|
| Boiling Point | 391.3ºC at 760 mmHg |
| Density | 1.089g/cm3 |
| Flash Point | 159.3ºC |
| Exact Mass | 240.11500 |
| PSA | 18.46000 |
| LogP | 3.87420 |
| Refractive Index | 1.615 |
Frequently Asked Questions
What is the CAS number of 4,4'-Dimethoxystilbene?
The CAS number of 4,4'-Dimethoxystilbene is 4705-34-4.
What are the molecular formula and molecular weight of 4,4'-Dimethoxystilbene?
4,4'-Dimethoxystilbene has molecular formula C16H16O2 and molecular weight 240.29700 g/mol.
What are the upstream and downstream products of 4,4'-Dimethoxystilbene?
For 4,4'-Dimethoxystilbene, Upstream Products: 4-Methoxystyrene, 4-Iodoanisole, 4-Methoxybenzenediazonium tetrafluoroborate; Downstream Products: 4-Methoxybenzaldehyde, 4-Methoxyphenol, 4-Methoxybenzoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,4'-Dimethoxystilbene (CAS 4705-34-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25426-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.