3-Methoxy-2-nitrobenzoic acid
3-Methoxy-2-nitrobenzoic acid (CAS: 4920-80-3), with the molecular formula CH3OC6H3(NO2)CO2H and a molecular weight of 197.14 g/mol, is a valuable organic compound. It serves as a key building block in chemical synthesis, particularly within the fields of organic chemistry and materials science. Its functional groups, including a carboxylic acid and a nitro group, make it a versatile intermediate for creating more complex molecular structures.

Organic Synthesis Intermediate
3-Methoxy-2-nitrobenzoic acid is utilised as a foundational component in the synthesis of various organic compounds. Its structure allows for diverse chemical transformations, contributing to the development of novel molecules for research and industrial applications.
Pharmaceutical Research
This compound finds application in pharmaceutical research as an intermediate for the development of potential drug candidates. Its specific chemical properties enable its incorporation into complex synthesis pathways for new therapeutic agents.
Materials Science
In materials science, 3-Methoxy-2-nitrobenzoic acid can be employed in the synthesis of specialised materials. Its functional groups can be modified to impart desired properties to polymers or other advanced materials.
| Molecular weight | 197.14 |
|---|---|
| Linear formula | CH3OC6H3(NO2)CO2H |
| Assay | 96% |
| Melting point | 253-257 °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-Methoxy-2-nitrobenzoic acid used for?
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3-Methoxy-2-nitrobenzoic acid is primarily used as a building block and intermediate in organic synthesis, including applications in pharmaceutical research and materials science.
What is the CAS number and formula for 3-Methoxy-2-nitrobenzoic acid?
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The CAS number is 4920-80-3, and the molecular formula is CH3OC6H3(NO2)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methoxy-2-nitrobenzoic acid with an assay of 96%. TSS does not represent this product as USP, BP, or EP grade.
What are the safety considerations for handling 3-Methoxy-2-nitrobenzoic acid?
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3-Methoxy-2-nitrobenzoic acid is classified as a Warning. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be used. Handle in a well-ventilated area.
How is 3-Methoxy-2-nitrobenzoic acid packed, shipped, and exported?
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Tech Serve Solutions, as a specialist global supplier and exporter of fine chemicals since 1998, ensures appropriate packing and shipping methods are used for international export of 3-Methoxy-2-nitrobenzoic acid, adhering to all relevant regulations.
How can I request a sample or quote for 3-Methoxy-2-nitrobenzoic acid?
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To request a sample or a quotation for 3-Methoxy-2-nitrobenzoic acid, please visit the Tech Serve Solutions website and use the contact form or contact details provided.
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