3-Chloro-4,5-dimethoxybenzaldehyde
3-氯-4,5-二甲氧基苯甲醛
Also known as: 3-Chloro-4,5-dimethoxybenzaldehyde, 5-Chloroveratraldehyde, 3-Chloro-4,5-dimethoxy-benzaldehyde, 5-Chloro-3,4-dimethoxybenzaldehyde, NSC 45931, MFCD02256335
3-Chloro-4,5-dimethoxybenzaldehyde (CAS 18268-68-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H9ClO3 and a molecular weight of 200.619 g/mol. It is also known as 5-Chloroveratraldehyde, 3-Chloro-4,5-dimethoxy-benzaldehyde and 5-Chloro-3,4-dimethoxybenzaldehyde. Key properties include a melting point of 56-60ºC(lit.), a boiling point of 301.8±37.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 131.2±25.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 18268-68-3
- Jingsj CID
- J-1073345-3
- Molecular Formula
- C9H9ClO3
- Chinese Name
- 3-氯-4,5-二甲氧基苯甲醛
- Molecular Weight
- 200.619 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 56-60ºC(lit.) |
|---|---|
| Boiling Point | 301.8±37.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 131.2±25.5 °C |
Frequently Asked Questions
What is the CAS number of 3-Chloro-4,5-dimethoxybenzaldehyde?
The CAS number of 3-Chloro-4,5-dimethoxybenzaldehyde is 18268-68-3.
What are the molecular formula and molecular weight of 3-Chloro-4,5-dimethoxybenzaldehyde?
3-Chloro-4,5-dimethoxybenzaldehyde has molecular formula C9H9ClO3 and molecular weight 200.619 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Chloro-4,5-dimethoxybenzaldehyde (CAS 18268-68-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1073345-3 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.