4-Nitrophenylacetic acid
4-Nitrophenylacetic acid (CAS: 104-03-0), with the molecular formula O2NC6H4CH2CO2H and a molecular weight of 181.15 g/mol, is a key organic building block. This carboxylic acid derivative is recognised for its utility in chemical synthesis, particularly within research and development settings. It serves as an intermediate for creating more complex molecules, finding applications across various scientific disciplines.

Organic Synthesis Intermediate
4-Nitrophenylacetic acid is utilised as a foundational material in the synthesis of diverse organic compounds. Its structure allows for various chemical transformations, making it valuable in the development of new materials and molecules.
Pharmaceutical Research
It serves as a precursor or building block in the research and development of potential pharmaceutical agents. Its specific functional groups enable its incorporation into complex molecular architectures relevant to drug discovery.
Chemical Research Reagent
Utilised in laboratory settings for fundamental chemical research and exploratory synthesis. Its defined chemical properties support its role in academic and industrial research programmes.
| Molecular weight | 181.15 |
|---|---|
| Linear formula | O2NC6H4CH2CO2H |
| Assay | 99% |
| Grade | ReagentPlus® |
| Melting point | 150-155 °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) | 26-36 |
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 4-Nitrophenylacetic acid primarily used for?
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4-Nitrophenylacetic acid is primarily used as an intermediate in organic synthesis and in chemical research.
What is the CAS number and chemical formula for 4-Nitrophenylacetic acid?
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The CAS number is 104-03-0, and the chemical formula is O2NC6H4CH2CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Nitrophenylacetic acid in ReagentPlus® grade with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 4-Nitrophenylacetic acid be handled safely?
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4-Nitrophenylacetic acid is a warning irritant (H315, H319, H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (type N95 or equivalent). Ensure adequate ventilation during handling.
Is 4-Nitrophenylacetic acid available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 4-Nitrophenylacetic acid, adhering to all relevant export regulations.
How can I request a quote or sample for 4-Nitrophenylacetic acid?
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Please contact our sales team via the website or by phone to request a quote or a sample of 4-Nitrophenylacetic acid.
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