1-Chloro-3-fluorobenzene
1-Chloro-3-fluorobenzene (CAS: 625-98-9, Formula: ClC6H4F) is a halogenated aromatic compound with a molecular weight of 130.55 g/mol. This chemical serves as a valuable building block in organic synthesis. Its distinct structure, featuring both chlorine and fluorine atoms on a benzene ring, makes it a useful intermediate for the preparation of more complex molecules in research and development, particularly within the pharmaceutical and agrochemical sectors.

Organic Synthesis Intermediate
1-Chloro-3-fluorobenzene is utilised as a key intermediate in the synthesis of various organic compounds. Its reactivity allows for further functionalisation in the development of novel chemical entities.
Pharmaceutical Research
This compound finds application in the research and development of new pharmaceutical agents. It can be incorporated into molecular structures to modify pharmacokinetic properties or biological activity.
Agrochemical Development
The molecule serves as a precursor in the synthesis of agrochemicals. Its structural features can contribute to the efficacy and selectivity of pesticides and herbicides.
Material Science
1-Chloro-3-fluorobenzene may be employed in the development of specialised materials, where its halogenated aromatic structure can impart unique properties.
| Molecular weight | 130.55 |
|---|---|
| Linear formula | ClC6H4F |
| Assay | 99% |
| Boiling point | 126-128 °C(lit.) |
| Density | 1.219 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.494(lit.) |


Hazard statements
- H225Highly flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 20 °C / 68 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37/38 |
| Safety statements (S) | 16-26-33 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 1-Chloro-3-fluorobenzene used for?
+
1-Chloro-3-fluorobenzene is primarily used as an intermediate in organic synthesis, particularly in the research and development of pharmaceuticals, agrochemicals, and potentially in material science. Its structure makes it a valuable building block for creating more complex molecules.
What is the CAS number and formula for 1-Chloro-3-fluorobenzene?
+
The CAS number for 1-Chloro-3-fluorobenzene is 625-98-9, and its chemical formula is ClC6H4F.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 1-Chloro-3-fluorobenzene with an assay of 99%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade unless explicitly stated in the specifications.
How should 1-Chloro-3-fluorobenzene be handled safely?
+
1-Chloro-3-fluorobenzene is a flammable liquid and vapour (H225) and is irritating to the skin, eyes, and respiratory system (H315, H319, H335). It should be handled with appropriate personal protective equipment, including safety goggles, face shield, chemical-resistant gloves, and respiratory protection in a well-ventilated area. Keep away from heat, sparks, and open flames (P210).
Is 1-Chloro-3-fluorobenzene a controlled substance?
+
The provided data does not indicate that 1-Chloro-3-fluorobenzene is a controlled substance.
How is 1-Chloro-3-fluorobenzene shipped and exported?
+
1-Chloro-3-fluorobenzene is classified under UN 1993, Flammable Liquid, Class 3, Packing Group II. Tech Serve Solutions is experienced in exporting chemicals globally, adhering to all relevant shipping and customs regulations.
How can I request a quote or sample for 1-Chloro-3-fluorobenzene?
+
To request a quote or sample for 1-Chloro-3-fluorobenzene, please contact our sales department through the website or by phone, providing your specific requirements.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis