3-Nitrophenylacetic acid
3-Nitrophenylacetic acid (CAS: 1877-73-2), with the molecular formula O2NC6H4CH2CO2H and a molecular weight of 181.15, is a key organic building block. This carboxylic acid derivative is utilised in chemical synthesis, particularly in the development of novel molecular switches and in studies involving photochemistry. Tech Serve Solutions supplies this compound with a purity of 99%.

Photodecarboxylation Studies
3-Nitrophenylacetic acid has been employed in research to investigate the photodecarboxylation of nitrophenylacetate ions in aqueous solutions, contributing to the understanding of photochemical reaction mechanisms.
Synthesis of Photo-Inducible Switches
This compound served as a precursor in the synthesis of an azobenzene amino acid, demonstrating its utility in creating photo-inducible conformational switches for applications in polypeptides and other biomolecules.
Organic Synthesis Intermediate
As a functionalised aromatic carboxylic acid, 3-Nitrophenylacetic acid acts as a versatile intermediate in various organic synthesis pathways, enabling the construction of more complex molecules.
| Molecular weight | 181.15 |
|---|---|
| Linear formula | O2NC6H4CH2CO2H |
| Assay | 99% |
| Application | 3-Nitrophenylacetic acid was used to study photodecarboxylation of nitrophenylacetate ions in aqueous solution1. 3-Nitrophenylacetic acid was used in study to synthesize an azobenzene amino acid, having potent use as photo-inducible conformational switch in polypeptides2. |
| Melting point | 117-120 °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 3-Nitrophenylacetic acid used for?
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3-Nitrophenylacetic acid is used in chemical synthesis, including studies of photodecarboxylation and the creation of photo-inducible conformational switches for polypeptides.
What is the CAS number and molecular formula for 3-Nitrophenylacetic acid?
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The CAS number is 1877-73-2, and the molecular formula is O2NC6H4CH2CO2H.
What grade and purity does Tech Serve Solutions supply for 3-Nitrophenylacetic acid?
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Tech Serve Solutions supplies 3-Nitrophenylacetic acid with an assay of 99%. This is a technical/research grade chemical, and TSS does not represent it as USP, BP, or EP grade.
How should 3-Nitrophenylacetic acid be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid inhalation of dust and ensure good ventilation. Refer to the safety data sheet for full handling instructions. It is classified as causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).
Is 3-Nitrophenylacetic acid a controlled substance?
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The provided data does not indicate that 3-Nitrophenylacetic acid is a controlled substance.
How is 3-Nitrophenylacetic acid exported and packaged?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals. Products are carefully packaged for safe transit according to international shipping regulations.
How can I request a sample or quote for 3-Nitrophenylacetic acid?
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Please contact the Tech Serve Solutions sales team through our website or by phone to request a sample or obtain a quotation for 3-Nitrophenylacetic acid.
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