2-Hydroxy-3,6-dimethylbenzaldehyde

2-羟基-3,6-二甲基苯甲醛

Also known as: 3,6-Dimethylsalicylaldehyde, 3,6-DIMETHYL-2-HYDROXY BENZALDEHYDE, 3,6-Dimethyl-2-formylphenol, 2-Formyl-3-hydroxy-p-xylene, Benzaldehyde, 2-hydroxy-3,6-dimethyl-

2-Hydroxy-3,6-dimethylbenzaldehyde (CAS 1666-04-2) 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 150.174 g/mol. It is also known as 3,6-Dimethylsalicylaldehyde, 3,6-DIMETHYL-2-HYDROXY BENZALDEHYDE and 3,6-Dimethyl-2-formylphenol. Key properties include a boiling point of 230.1±35.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 93.3±18.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1666-04-2
Jingsj CID
J-1578239-5
Molecular Formula
C9H10O2
Chinese Name
2-羟基-3,6-二甲基苯甲醛
Molecular Weight
150.174 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point230.1±35.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point93.3±18.5 °C

Frequently Asked Questions

What is the CAS number of 2-Hydroxy-3,6-dimethylbenzaldehyde?

The CAS number of 2-Hydroxy-3,6-dimethylbenzaldehyde is 1666-04-2.

What are the molecular formula and molecular weight of 2-Hydroxy-3,6-dimethylbenzaldehyde?

2-Hydroxy-3,6-dimethylbenzaldehyde has molecular formula C9H10O2 and molecular weight 150.174 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-3,6-dimethylbenzaldehyde (CAS 1666-04-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1578239-5 (accessed 2026-10-24).

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