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2,3-Dichloro-4-hydroxybenzaldehyde

2,3-二氯-4-羟基苯甲醛

Also known as: 2,3-Dichloro-4-formylphenol, 4-hydroxy-2,3-dichlorobenzaldehyde, Benzaldehyde, 2,3-dichloro-4-hydroxy-, 2,3-Dichlor-4-hydroxybenzaldehyd, 2,3-dichloro-4hydroxybenzaldehyde, dichloro-2,3 hydroxy-4 benzaldehyde, 2,3-Dichloro-4-hydroxybenzaldehyde 97%, 2,3-Dichloro-4-hydroxybenzaldehyde97%

2,3-Dichloro-4-hydroxybenzaldehyde (CAS 16861-22-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H4Cl2O2 and a molecular weight of 191.01100 g/mol. It is also known as 2,3-Dichloro-4-formylphenol, 4-hydroxy-2,3-dichlorobenzaldehyde and Benzaldehyde, 2,3-dichloro-4-hydroxy-. Key properties include a boiling point of 278.6ºC at 760mmHg, a density of 1.547g/cm3 and a flash point of 122.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16861-22-6
Jingsj CID
J-1319272-5
Molecular Formula
C7H4Cl2O2
Chinese Name
2,3-二氯-4-羟基苯甲醛
Molecular Weight
191.01100 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point278.6ºC at 760mmHg
Density1.547g/cm3
Flash Point122.3ºC

Frequently Asked Questions

What is the CAS number of 2,3-Dichloro-4-hydroxybenzaldehyde?

The CAS number of 2,3-Dichloro-4-hydroxybenzaldehyde is 16861-22-6.

What are the molecular formula and molecular weight of 2,3-Dichloro-4-hydroxybenzaldehyde?

2,3-Dichloro-4-hydroxybenzaldehyde has molecular formula C7H4Cl2O2 and molecular weight 191.01100 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2,3-Dichloro-4-hydroxybenzaldehyde (CAS 16861-22-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1319272-5 (accessed 2026-10-26).

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