4-Methyl-2-nitrobenzoic acid
4-Methyl-2-nitrobenzoic acid (CAS 27329-27-7) is an organic compound with the molecular formula H3CC6H3(NO2)CO2H and a molecular weight of 181.15 g/mol. This benzoic acid derivative features both a methyl and a nitro group, making it a versatile building block in organic synthesis. It is primarily utilised in chemical research and the development of more complex molecules within the pharmaceutical and fine chemical industries.

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of various organic compounds. Its functional groups allow for diverse chemical transformations.
Pharmaceutical Research
Used in the development of novel pharmaceutical agents and drug discovery programmes. Enables the construction of complex molecular scaffolds.
Fine Chemical Manufacturing
Employed in the production of speciality chemicals. The nitro and carboxylic acid functionalities can be modified for specific applications.
| Molecular weight | 181.15 |
|---|---|
| Linear formula | H3CC6H3(NO2)CO2H |
| Assay | 97% |
| Melting point | 160-164 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-43 |
| Safety statements (S) | 37/39 |
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-Methyl-2-nitrobenzoic acid used for?
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4-Methyl-2-nitrobenzoic acid is used as a versatile building block and intermediate in organic synthesis, particularly in pharmaceutical research and fine chemical manufacturing.
What are the CAS number and chemical formula for 4-Methyl-2-nitrobenzoic acid?
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The CAS number is 27329-27-7 and the chemical formula is H3CC6H3(NO2)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Methyl-2-nitrobenzoic acid with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety considerations when handling 4-Methyl-2-nitrobenzoic acid?
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This compound is classified under GHS07 with the signal word Warning. It carries hazard statements H302 (Harmful if swallowed) and H317 (May cause an allergic skin reaction). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, faceshields, and gloves. Handle with appropriate precautions to avoid ingestion and skin contact.
Is 4-Methyl-2-nitrobenzoic acid a controlled substance?
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Based on the provided data, 4-Methyl-2-nitrobenzoic acid is not indicated as a controlled substance.
How is 4-Methyl-2-nitrobenzoic acid packed and shipped?
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As a global supplier and exporter, Tech Serve Solutions ensures secure packaging suitable for international transport. Specific packing and shipping details will be provided upon request.
How can I request a sample or a quote for 4-Methyl-2-nitrobenzoic acid?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team via our website or designated contact channels, specifying the product CAS number 27329-27-7.
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