(3,4-Dimethoxyphenyl)acetaldehyde
Also known as: Homoveratraldehyde, 3,4-Dimethoxybenzeneacetaldehyde, 2-(3,4-dimethoxyphenyl)acetaldehyde, 2-(3,4-dimethoxyphenyl)ethanal, (3,4-dimethoxyphenyl)ethanal, Benzeneacetaldehyde, 3,4-dimethoxy-
(3,4-Dimethoxyphenyl)acetaldehyde (CAS 5703-21-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H12O3 and a molecular weight of 180.201 g/mol. Key properties include a boiling point of 280.3±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 114.1±9.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5703-21-9
- Jingsj CID
- J-1308120-4
- Molecular Formula
- C10H12O3
- Molecular Weight
- 180.201 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 280.3±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 114.1±9.6 °C |
| Exact Mass | 180.078644 |
| PSA | 35.53000 |
| LogP | 1.52 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.501 |
Customs & Trade Information
| HS Code | 2912499000 |
|---|---|
| Summary | 2912499000. other aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of (3,4-Dimethoxyphenyl)acetaldehyde?
The CAS number of (3,4-Dimethoxyphenyl)acetaldehyde is 5703-21-9.
What are the molecular formula and molecular weight of (3,4-Dimethoxyphenyl)acetaldehyde?
(3,4-Dimethoxyphenyl)acetaldehyde has molecular formula C10H12O3 and molecular weight 180.201 g/mol.
What are the upstream and downstream products of (3,4-Dimethoxyphenyl)acetaldehyde?
For (3,4-Dimethoxyphenyl)acetaldehyde, Upstream Products: Methyl eugenol, 3,4-Dimethoxyphenethyl alcohol, (3,4-Dimethoxyphenyl)acetyl chloride; Downstream Products: (R)-(+)-Tetrahydropapaverine, (3,4-Dimethoxyphenyl)acetic acid, (3,4-Dimethoxyphenyl)acetonitrile.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(3,4-Dimethoxyphenyl)acetaldehyde (CAS 5703-21-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1308120-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.