4-(4-Nitrophenoxy)benzoic acid
4-(4-Nitrophenoxy)benzoic acid (CAS: 16309-45-8), with the molecular formula O2NC6H4OC6H4CO2H and a molecular weight of 259.21, is a sophisticated organic compound. It functions as a key building block and intermediate in organic synthesis, particularly within the realms of carbonyl compounds and carboxylic acids. Its structure lends itself to further chemical modification, making it valuable for researchers and manufacturers in developing novel molecules and materials.

Organic Synthesis Intermediate
This compound serves as a crucial intermediate in multi-step organic syntheses. Its functional groups allow for diverse chemical transformations, enabling the construction of complex molecular architectures for research and development purposes.
Building Block for Advanced Materials
The unique structure of 4-(4-Nitrophenoxy)benzoic acid makes it a valuable building block for designing advanced materials. It can be incorporated into polymers or other materials to impart specific properties.
Pharmaceutical and Agrochemical Research
As a functionalised aromatic compound, it finds application in the research and development phases for potential pharmaceutical and agrochemical candidates. Its structural features can be leveraged in the design of bioactive molecules.
| Molecular weight | 259.21 |
|---|---|
| Linear formula | O2NC6H4OC6H4CO2H |
| Assay | 97% |
| Melting point | 238-242 °C |


Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-43-50 |
| Safety statements (S) | 36/37-60-61 |
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 4-(4-Nitrophenoxy)benzoic acid used for?
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4-(4-Nitrophenoxy)benzoic acid is primarily used as an intermediate and building block in organic synthesis for research and development, including potential applications in pharmaceutical and agrochemical research.
What are the CAS number and chemical formula?
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The CAS number is 16309-45-8, and the chemical formula is O2NC6H4OC6H4CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product at an assay of 97%. We do not represent this chemical as USP, BP, EP or other pharmacopoeia grades.
How should 4-(4-Nitrophenoxy)benzoic acid be handled?
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Handle with appropriate personal protective equipment including a dust mask type N95 (US), eyeshields, faceshields, and gloves. Avoid dust formation and inhalation. This compound is classified as harmful if swallowed, may cause an allergic skin reaction, and is very toxic to aquatic life.
Is this product available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and reagents, including 4-(4-Nitrophenoxy)benzoic acid.
How can I request a quote or sample?
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To request a quote or sample, please contact our sales team through the provided channels on the Tech Serve Solutions website.
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