o-Toluic acid
O-Toluic acid (CAS: 118-90-1), with the molecular formula CH3C6H4CO2H and a molecular weight of 136.15 g/mol, is a carboxylic acid commonly utilised as an organic building block in chemical synthesis. It serves as a precursor in the development of various complex molecules. Tech Serve Solutions supplies this compound for research and development purposes, adhering to high standards of quality and purity.
- IUPAC
- 2-Methylbenzoic acid
- Synonyms
- 2-Methylbenzoic acid

Organic Synthesis Intermediate
O-Toluic acid functions as a key intermediate in the synthesis of more complex organic compounds. Its carboxylic acid group and methyl-substituted phenyl ring offer versatile reaction sites for chemical transformations.
Pharmaceutical Research
This compound can be employed in the early stages of pharmaceutical research as a building block for novel drug candidates. Its structure may be incorporated into molecules being investigated for therapeutic properties.
Materials Science
O-Toluic acid may find application in materials science research, potentially as a component in the synthesis of specialised polymers or functional materials where its specific chemical structure is advantageous.
| Molecular weight | 136.15 |
|---|---|
| Linear formula | CH3C6H4CO2H |
| Assay | 99% |
| Grade | puriss. |
| Boiling point | 258-259 °C(lit.) |
| Density | 1.062 g/mL at 25 °C(lit.) |
| Melting point | 102-104 °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 |
|---|---|
| Flash point | 148 °C / 298.4 °F |
| 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 o-Toluic acid used for?
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O-Toluic acid is primarily used as a versatile building block in organic synthesis, with applications in pharmaceutical research and potentially materials science. It serves as an intermediate for creating more complex chemical structures.
What is the CAS number and chemical formula for o-Toluic acid?
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The CAS number for o-Toluic acid is 118-90-1, and its chemical formula is CH3C6H4CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies o-Toluic acid with an assay of 99% in 'puriss.' grade. This product is intended for laboratory and research use and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should o-Toluic acid be handled safely?
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O-Toluic acid is classified as a Warning substance with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory tract irritation (H335). Appropriate personal protective equipment, such as a dust mask (N95), eyeshields, and gloves, should be used. Ensure good ventilation and avoid breathing dust.
Is o-Toluic acid a controlled substance?
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The provided data does not indicate that o-Toluic acid (CAS 118-90-1) is a controlled substance.
How is o-Toluic acid packed and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Specific packaging and shipping details for o-Toluic acid are available upon request, tailored to meet international regulations and customer requirements.
How can I request a sample or quote for o-Toluic acid?
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To request a sample or obtain a quote for o-Toluic acid, please contact our sales team through the TSS website or direct inquiry channels. Our experts will be pleased to assist you with your specific needs.
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