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5-(Chloromethyl)-2-hydroxybenzaldehyde

Also known as: 5-(Chloromethyl)salicylaldehyde, 3-Formyl-4-hydroxybenzyl chloride, 2-HYDROXY-5-CHLOROMETHYLBENZALDEHYDE, 2-hydroxy-5-chloromethylbenzaldehyde, 3-Formyl-4-hydroxy benzyl chloride, 5-(chloromethyl)-2-hydroxy-benzaldehyde, 5-Chloromethylsalicylaldehyde, AKOS BBS-00006713, Benzaldehyde, 5-(chloromethyl)-2-hydroxy-, Coumarin impurity 1, 2,5-Cresotaldehyde, alpha-chloro-

5-(Chloromethyl)-2-hydroxybenzaldehyde (CAS 23731-06-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H7ClO2 and a molecular weight of 170.59300 g/mol. Key properties include a melting point of 84-85 °C(Solv: ligroine (8032-32-4)), a boiling point of 281.4ºC at 760 mmHg and a density of 1.34 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
23731-06-8
Jingsj CID
J-1505740-6
Molecular Formula
C8H7ClO2
Molecular Weight
170.59300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point84-85 °C(Solv: ligroine (8032-32-4))
Boiling Point281.4ºC at 760 mmHg
Density1.34 g/cm3
Exact Mass170.01300
PSA37.30000
LogP1.94350
Vapor Pressure0.0021mmHg at 25°C
Refractive Index1.619

Customs & Trade Information

HS Code2913000090
SummaryHS: 2913000090 halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 2912 Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:none Most favored nation tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 5-(Chloromethyl)-2-hydroxybenzaldehyde?

The CAS number of 5-(Chloromethyl)-2-hydroxybenzaldehyde is 23731-06-8.

What are the molecular formula and molecular weight of 5-(Chloromethyl)-2-hydroxybenzaldehyde?

5-(Chloromethyl)-2-hydroxybenzaldehyde has molecular formula C8H7ClO2 and molecular weight 170.59300 g/mol.

What are the upstream and downstream products of 5-(Chloromethyl)-2-hydroxybenzaldehyde?

For 5-(Chloromethyl)-2-hydroxybenzaldehyde, Upstream Products: Formaldehyde, Salicylaldehyde, 2-Methylbenzyl Alcohol; Downstream Products: 4-Hydroxyisophthalaldehyde.

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

Last updated:

How to cite: Jingsj. "5-(Chloromethyl)-2-hydroxybenzaldehyde (CAS 23731-06-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505740-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.