2-Nitrobenzoic acid
2-Nitrobenzoic acid (CAS 552-16-9, O2NC6H4CO2H) is a white to yellow crystalline solid with a molecular weight of 167.12 g/mol. It is classified as a carboxylic acid and carbonyl compound, often employed as a chemical synthesis intermediate. A notable application includes its use as a growth supplement for specific microbial strains. Tech Serve Solutions offers this compound with an assay of 95%, suitable for research and various chemical applications.

Microbial Growth Supplementation
2-Nitrobenzoic acid serves as a beneficial additive in microbiological media. It has been specifically documented as a growth supplement for strains such as *Pseudomonas fluorescens* KU-7, aiding in their laboratory cultivation and study.
Chemical Synthesis Intermediate
As a functionalized aromatic compound containing both nitro and carboxylic acid groups, 2-Nitrobenzoic acid is a versatile building block in organic synthesis. It can be used in the preparation of more complex molecules and derivatives.
Research and Development
This compound is valuable in academic and industrial research settings for exploring new reaction pathways and developing novel chemical entities. Its defined structure makes it a reliable component in experimental chemistry.
| Molecular weight | 167.12 |
|---|---|
| Linear formula | O2NC6H4CO2H |
| Assay | 95% |
| Application | 2-Nitrobenzoic acid can function as a growth supplement for Pseudomonas fluorescens strain KU-71. |
| Melting point | 146-148 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| 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-Nitrobenzoic acid used for?
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2-Nitrobenzoic acid is primarily used as a chemical synthesis intermediate and a growth supplement for certain microorganisms, such as *Pseudomonas fluorescens* strain KU-7.
What are the CAS number and chemical formula for 2-Nitrobenzoic acid?
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The CAS number is 552-16-9 and the linear chemical formula is O2NC6H4CO2H.
What grade and purity does Tech Serve Solutions supply for 2-Nitrobenzoic acid?
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Tech Serve Solutions supplies 2-Nitrobenzoic acid with a minimum assay of 95%. This product is intended for laboratory and chemical synthesis use and is not represented as USP, BP, EP, or pharmaceutical grade.
How should 2-Nitrobenzoic acid be handled safely?
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2-Nitrobenzoic acid is an irritant to the skin, eyes, and respiratory tract. Handle with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (type N95 or equivalent). Ensure adequate ventilation and avoid dust formation. Refer to the Safety Data Sheet for full handling precautions.
Is 2-Nitrobenzoic acid a controlled substance?
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Based on the provided data, 2-Nitrobenzoic acid is not listed as a controlled substance.
How is 2-Nitrobenzoic acid packaged and exported?
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Tech Serve Solutions exports fine chemicals globally. Packaging is done with due care to ensure product integrity during transit, adhering to relevant shipping regulations.
How can I request a sample or quote for 2-Nitrobenzoic acid?
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To request a sample or a quotation for 2-Nitrobenzoic acid, please contact our sales department through the website or via email, providing your details and requirements.
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