3-Hydroxy-5-nitrobenzoic acid
3-Hydroxy-5-nitrobenzoic acid (CAS: 78238-14-9, C7H5NO5) is a fine chemical intermediate with a molecular weight of 183.12 g/mol. Characterised by its phenolic hydroxyl and nitro functional groups, this compound serves as a valuable building block in organic synthesis. It is primarily utilised in research and development settings for the creation of more complex organic molecules. Tech Serve Solutions supplies this chemical with an assay of 97%.

Organic Synthesis Intermediate
3-Hydroxy-5-nitrobenzoic acid functions as a key intermediate in the synthesis of various organic compounds. Its functional groups allow for diverse chemical transformations in multi-step synthetic routes.
Research and Development
This compound is employed in academic and industrial research laboratories for exploring novel chemical reactions and developing new materials or pharmaceutical candidates.
Building Block for Specialty Chemicals
It serves as a versatile building block for constructing specialty chemicals that require the specific structural features offered by its nitro and hydroxyl substituted benzoic acid core.
| Molecular weight | 183.12 |
|---|---|
| Empirical formula | C7H5NO5 |
| Assay | 97% |
| Melting point | 190-195 °C |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26-36 |
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 3-Hydroxy-5-nitrobenzoic acid used for?
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3-Hydroxy-5-nitrobenzoic acid is primarily used as an intermediate and building block in organic synthesis and in research and development settings for creating more complex organic molecules.
What is the CAS number and molecular formula for 3-Hydroxy-5-nitrobenzoic acid?
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The CAS number is 78238-14-9, and the molecular formula is C7H5NO5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Hydroxy-5-nitrobenzoic acid with an assay of 97%. We do not represent this product as meeting USP, BP, EP, or any other pharmacopoeia standards unless explicitly stated in the product documentation.
How should 3-Hydroxy-5-nitrobenzoic acid be handled?
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Based on GHS information, 3-Hydroxy-5-nitrobenzoic acid is classified as a Warning. It may cause respiratory irritation (H335), skin irritation (H315), and serious eye irritation (H319). It is also harmful if swallowed (H302). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid breathing dust and contact with skin and eyes. In case of contact, rinse cautiously with water for several minutes (P305 + P351 + P338).
Is 3-Hydroxy-5-nitrobenzoic acid a controlled substance?
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The provided data does not indicate that 3-Hydroxy-5-nitrobenzoic acid is a controlled substance.
How is this chemical packed and shipped?
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Tech Serve Solutions carefully packs and exports fine chemicals globally. Specific packaging details for 3-Hydroxy-5-nitrobenzoic acid will be confirmed upon order, adhering to all relevant shipping regulations.
How can I request a quote or sample?
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To request a quote or sample of 3-Hydroxy-5-nitrobenzoic acid, please use the contact form on our website or reach out to our sales department directly.
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