2-Hydroxy-4,5-dimethylbenzaldehyde
2-羟基-4,5-二甲基苯甲醛
Also known as: 4,5-dimethylsalicylaldehyde, Benzaldehyde, 2-hydroxy-4,5-dimethyl-, 2-Hydroxy-4,5-dimethyl-benzaldehyde, 4,5-Dimethyl-salicylaldehyd
2-Hydroxy-4,5-dimethylbenzaldehyde (CAS 1666-03-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H10O2 and a molecular weight of 150.17400 g/mol. It is also known as 4,5-dimethylsalicylaldehyde, Benzaldehyde, 2-hydroxy-4,5-dimethyl- and 2-Hydroxy-4,5-dimethyl-benzaldehyde. Key properties include a boiling point of 243.5ºC at 760 mmHg, a density of 1.136g/cm3 and a flash point of 99.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1666-03-1
- Jingsj CID
- J-1495734-3
- Molecular Formula
- C9H10O2
- Chinese Name
- 2-羟基-4,5-二甲基苯甲醛
- Molecular Weight
- 150.17400 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 243.5ºC at 760 mmHg |
|---|---|
| Density | 1.136g/cm3 |
| Flash Point | 99.8ºC |
Frequently Asked Questions
What is the CAS number of 2-Hydroxy-4,5-dimethylbenzaldehyde?
The CAS number of 2-Hydroxy-4,5-dimethylbenzaldehyde is 1666-03-1.
What are the molecular formula and molecular weight of 2-Hydroxy-4,5-dimethylbenzaldehyde?
2-Hydroxy-4,5-dimethylbenzaldehyde has molecular formula C9H10O2 and molecular weight 150.17400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Hydroxy-4,5-dimethylbenzaldehyde (CAS 1666-03-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1495734-3 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.