4-Nitrobenzoic acid
4-Nitrobenzoic acid (CAS: 62-23-7), with the molecular formula O2NC6H4CO2H and a molecular weight of 167.12, is a key organic compound. It functions as a vital building block and intermediate in chemical synthesis, particularly within organic chemistry. Its carboxyl and nitro functional groups make it a versatile reagent for various chemical transformations and the production of more complex molecules.

Chemical Synthesis Intermediate
4-Nitrobenzoic acid serves as a crucial intermediate in the synthesis of various organic compounds. Its reactive functional groups allow for diverse chemical modifications, contributing to the production of dyes, pharmaceuticals, and other specialty chemicals.
Reagent in Organic Chemistry
As a carboxylic acid with an electron-withdrawing nitro group, it is employed as a reagent in specific organic reactions. It can be used in derivatisation for analytical purposes or as a precursor for reduction to aminobenzoic acid derivatives.
Research and Development
This compound is utilised in laboratory settings for research and development purposes, enabling chemists to explore new synthetic pathways and molecular structures.
| Molecular weight | 167.12 |
|---|---|
| Linear formula | O2NC6H4CO2H |
| Assay | 98% |
| Grade | Vetec™ reagent grade |
| Melting point | 237-240 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Flash point | 237 °C / 458.6 °F |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36 |
| 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 4-Nitrobenzoic acid used for?
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4-Nitrobenzoic acid is primarily used as an intermediate in chemical synthesis and as a reagent in organic chemistry for the production of various organic compounds, including dyes and pharmaceuticals, and in research and development.
What is the CAS number and formula for 4-Nitrobenzoic acid?
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The CAS number for 4-Nitrobenzoic acid is 62-23-7, and its molecular formula is O2NC6H4CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Nitrobenzoic acid in Vetec™ reagent grade with an assay of 98%. TSS does not represent this product as USP, BP, or EP grade.
What are the primary safety concerns when handling 4-Nitrobenzoic acid?
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4-Nitrobenzoic acid is classified with the GHS07 symbol and the signal word 'Warning'. It has hazard statements H302 (Harmful if swallowed) and H319 (Causes serious eye irritation). Handle with appropriate personal protective equipment in a well-ventilated area.
How is 4-Nitrobenzoic acid packed, shipped, and exported?
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Tech Serve Solutions reliably packs, ships, and exports chemicals globally, adhering to all necessary regulations and safety standards.
How can I request a sample or quote for 4-Nitrobenzoic acid?
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To request a sample or a quote for 4-Nitrobenzoic acid, please contact our sales team through the website or by phone.
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