2-Chlorobenzoic acid
2-Chlorobenzoic acid (CAS: 118-91-2; Formula: ClC6H4CO2H) is a chlorinated aromatic carboxylic acid with a molecular weight of 156.57. This compound serves as a versatile building block in organic synthesis. It is utilized in the preparation of various chemical intermediates and is a valuable reagent in academic and industrial research laboratories for creating more complex molecules.

Organic Synthesis Intermediate
2-Chlorobenzoic acid is employed as a key intermediate in the synthesis of pharmaceuticals, agrochemicals, and dyestuffs. Its reactive functional groups allow for diverse chemical transformations.
Chemical Research Reagent
As a fine chemical, it is frequently used in research and development settings to explore new synthetic pathways and develop novel chemical entities. Its properties make it suitable for various derivatizations.
Building Block for Specialty Chemicals
This compound acts as a fundamental building block for constructing more complex organic molecules. It is valuable in the chemical industry for developing specialty chemicals with specific properties.
| Molecular weight | 156.57 |
|---|---|
| Linear formula | ClC6H4CO2H |
| Assay | 98% |
| Grade | Vetec™ reagent grade |
| Solubility | cold water: soluble900 partalcohol: freely solublediethyl ether: freely solublewater: soluble (hot) |
| Melting point | 138-140 °C(lit.) |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Flash point | 173 °C / 343.4 °F |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 26 |
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 2-Chlorobenzoic acid used for?
+
2-Chlorobenzoic acid is primarily used as a building block and intermediate in organic synthesis for pharmaceuticals, agrochemicals, and specialty chemicals. It is also a common reagent in research laboratories.
What is the CAS number and formula for 2-Chlorobenzoic acid?
+
The CAS number for 2-Chlorobenzoic acid is 118-91-2, and its chemical formula is ClC6H4CO2H.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2-Chlorobenzoic acid in Vetec™ reagent grade with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 2-Chlorobenzoic acid be handled safely?
+
2-Chlorobenzoic acid is classified as a Warning with hazard statement H319 (Causes serious eye irritation). Handle with appropriate personal protective equipment, including eye protection, and ensure adequate ventilation. Refer to the Safety Data Sheet for detailed handling instructions.
Is 2-Chlorobenzoic acid available for international export?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2-Chlorobenzoic acid.
How can I request a sample or quote for 2-Chlorobenzoic acid?
+
Please contact our sales team via the website or email to request a sample or obtain a quotation for 2-Chlorobenzoic acid.
▶ 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