2-Chloro-4-fluorobenzoyl chloride

Also known as: 2-Chloro-4-fluorobenzene-1-carbonyl chloride, Benzoyl chloride, 2-chloro-4-fluoro-, 2-Chloro-4-fluorobenzoyl chloride 98%, 2-Chloro-4-fluorobenzoylchloride98%, 2-chloro-4-fluoro-benzoyl chloride

2-Chloro-4-fluorobenzoyl chloride (CAS 21900-54-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H3Cl2FO and a molecular weight of 193.003 g/mol. Key properties include a boiling point of 213.7±20.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 83.0±21.8 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21900-54-9
Jingsj CID: J-27378-9
Molecular Formula: C₇H₃Cl₂FO
Molecular Weight: 193.003 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	213.7±20.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	83.0±21.8 °C
Exact Mass	191.954498
PSA	17.07000
LogP	2.16
Vapor Pressure	0.2±0.4 mmHg at 25°C
Refractive Index	1.540

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

H302 — Harmful if swallowed
H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code	2916399090
Summary	2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Chloro-4-fluorobenzoyl chloride?

The CAS number of 2-Chloro-4-fluorobenzoyl chloride is 21900-54-9.

What are the molecular formula and molecular weight of 2-Chloro-4-fluorobenzoyl chloride?

2-Chloro-4-fluorobenzoyl chloride has molecular formula C7H3Cl2FO and molecular weight 193.003 g/mol.

Is 2-Chloro-4-fluorobenzoyl chloride hazardous?

2-Chloro-4-fluorobenzoyl chloride has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of 2-Chloro-4-fluorobenzoyl chloride?

For 2-Chloro-4-fluorobenzoyl chloride, Upstream Products: 2-Chloro-4-fluorobenzoic acid, Oxalyl chloride; Downstream Products: 1-Chloro-3-fluorobenzene.

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. "2-Chloro-4-fluorobenzoyl chloride (CAS 21900-54-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27378-9 (accessed 2026-11-09).

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