4-Chloro-3-ethyl-5-methylphenol

Also known as: 4-Chloro-3-ethyl-5-methyl-phenol, 3-ethyl-4-chloro-5-methyl-phenol, 4-Chlor-5-methyl-3-ethyl-phenol, 3-Aethyl-4-chlor-5-methyl-phenol, Phenol, 4-chloro-3-ethyl-5-methyl-, 4-CHLORO-3-ETHYL-5-METHYLPHENOL

4-Chloro-3-ethyl-5-methylphenol (CAS 1125-66-2) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C9H11ClO and a molecular weight of 170.63600 g/mol. Key properties include a boiling point of 267ºC at 760mmHg, a density of 1.145g/cm3 and a flash point of 115.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1125-66-2
Jingsj CID: J-1373753-6
Molecular Formula: C₉H₁₁ClO
Molecular Weight: 170.63600 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	267ºC at 760mmHg
Density	1.145g/cm3
Flash Point	115.2ºC
Exact Mass	170.05000
PSA	20.23000
LogP	2.91640
Vapor Pressure	0.00509mmHg at 25°C
Refractive Index	1.549

Customs & Trade Information

HS Code	2908199090
Summary	HS: 2908199090. derivatives of polyphenols or phenol-alcohols containing only halogen substituents and their salts. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tariff:5.5%. general tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Chloro-3-ethyl-5-methylphenol?

The CAS number of 4-Chloro-3-ethyl-5-methylphenol is 1125-66-2.

What are the molecular formula and molecular weight of 4-Chloro-3-ethyl-5-methylphenol?

4-Chloro-3-ethyl-5-methylphenol has molecular formula C9H11ClO and molecular weight 170.63600 g/mol.

What are the upstream and downstream products of 4-Chloro-3-ethyl-5-methylphenol?

For 4-Chloro-3-ethyl-5-methylphenol, Upstream Products: 3-Ethyl-5-methylphenol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Chloro-3-ethyl-5-methylphenol (CAS 1125-66-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1373753-6 (accessed 2026-11-09).

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