2-Chloro-5-fluorobenzoyl chloride

2-氯-5-氟苯甲酰氯

Also known as: 5-Fluoro-2-chlorobenzoyl chloride, 2-Chloro-5-fluorobenzoyl chloride 98%, 2-Chloro-5-fluorobenzoyl chloride, 97+%, 2-(Chlorocarbonyl)-4-fluorochlorobenzene, Benzoyl chloride, 2-chloro-5-fluoro-, Benzoyl chloride, 2-chloro-5-fluoro- (8CI,9CI), 2-Chloride-5-Fluoride Benzoyl Chlorine, MFCD01631417, SKL1231, 2640754, 2-Chlor-5-fluor-benzoylchlorid, GVR BG EF

2-Chloro-5-fluorobenzoyl chloride (CAS 21900-51-6) 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. It is also known as 5-Fluoro-2-chlorobenzoyl chloride, 2-Chloro-5-fluorobenzoyl chloride 98% and 2-Chloro-5-fluorobenzoyl chloride, 97+%. Key properties include a boiling point of 227.3±20.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 91.2±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21900-51-6
Jingsj CID
J-46177-5
Molecular Formula
C7H3Cl2FO
Chinese Name
2-氯-5-氟苯甲酰氯
Molecular Weight
193.003 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point227.3±20.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point91.2±21.8 °C

Frequently Asked Questions

What is the CAS number of 2-Chloro-5-fluorobenzoyl chloride?

The CAS number of 2-Chloro-5-fluorobenzoyl chloride is 21900-51-6.

What are the molecular formula and molecular weight of 2-Chloro-5-fluorobenzoyl chloride?

2-Chloro-5-fluorobenzoyl chloride has molecular formula C7H3Cl2FO and molecular weight 193.003 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Chloro-5-fluorobenzoyl chloride (CAS 21900-51-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46177-5 (accessed 2026-10-22).

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