2-Chloro-5-nitrobenzoic acid
2-Chloro-5-nitrobenzoic acid (CAS: 2516-96-3) is an organic compound with the formula ClC6H3(NO2)CO2H. This substituted benzoic acid derivative, with a molecular weight of 201.56 g/mol, functions as a valuable building block in organic synthesis. Its structure, featuring both a nitro group and a chlorine atom on the benzoic acid ring, makes it a versatile intermediate for the preparation of more complex molecules in various chemical research and development applications.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of diverse organic compounds. Its reactive functional groups allow for further chemical transformations, making it useful in the development of novel molecules.
Research and Development
Employed in academic and industrial research laboratories for the exploration of new chemical pathways and the synthesis of target molecules. It serves as a fundamental building block in medicinal chemistry and materials science.
Fine Chemical Manufacturing
A useful precursor in the manufacturing of fine chemicals. The specific arrangement of substituents on the aromatic ring facilitates targeted reactions for producing specialised chemical products.
| Molecular weight | 201.56 |
|---|---|
| Linear formula | ClC6H3(NO2)CO2H |
| Assay | 97% |
| Melting point | 165-168 °C(lit.) |



Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
- H400Very toxic to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-37/38-41-50 |
| Safety statements (S) | 26-39-61 |
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-Chloro-5-nitrobenzoic acid used for?
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2-Chloro-5-nitrobenzoic acid (CAS: 2516-96-3) is primarily used as a versatile building block and intermediate in organic synthesis, particularly in research and development for creating complex organic molecules and fine chemicals.
What is the CAS number and chemical formula for 2-Chloro-5-nitrobenzoic acid?
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The CAS number is 2516-96-3, and its chemical formula is ClC6H3(NO2)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-5-nitrobenzoic acid with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2-Chloro-5-nitrobenzoic acid be handled?
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2-Chloro-5-nitrobenzoic acid is classified as Danger. It can cause harm if swallowed (H302), causes skin irritation (H315), causes serious eye damage (H318), and may cause respiratory irritation (H335). It is also very toxic to aquatic life (H400). Appropriate personal protective equipment including eyeshields, gloves, and a dust mask type N95 (US) should be used. Handle in a well-ventilated area and avoid release into the environment. Refer to the Safety Data Sheet for comprehensive handling information.
Is 2-Chloro-5-nitrobenzoic acid suitable for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2-Chloro-5-nitrobenzoic acid, which is shipped according to UN 3077, Class 9, Packing Group III regulations.
How can I request a quote or sample for 2-Chloro-5-nitrobenzoic acid?
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To request a quote or a sample of 2-Chloro-5-nitrobenzoic acid, please contact our sales department through the website or by phone. We will be happy to assist you with your inquiry.
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