Mellitic acid
Mellitic acid (CAS 517-60-2), with the molecular formula C6(CO2H)6 and a molecular weight of 342.17, is a unique aromatic carboxylic acid. Also known as benzenehexacarboxylic acid, it features six carboxyl groups attached to a central benzene ring. This compound serves as a valuable building block in organic synthesis and finds applications in materials science and research chemistry.
- IUPAC
- Benzenehexacarboxylic acid
- Synonyms
- Benzenehexacarboxylic acid

Organic Synthesis Intermediate
Mellitic acid is employed as a precursor in the synthesis of complex organic molecules and polymers due to its multiple reactive functional groups.
Materials Science
Its structure makes it a candidate for use in the development of novel materials, including metal-organic frameworks (MOFs) and functional polymers.
Research and Development
Serves as a key reagent in academic and industrial research laboratories for exploring new chemical reactions and developing new compounds.
| Molecular weight | 342.17 |
|---|---|
| Linear formula | C6(CO2H)6 |
| Assay | 99% |
| Melting point | >300 °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 Mellitic acid primarily used for?
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Mellitic acid is primarily used as a building block in organic synthesis and in materials science research.
What are the CAS number and formula for Mellitic acid?
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The CAS number for Mellitic acid is 517-60-2, and its formula is C6(CO2H)6.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Mellitic acid with an assay of 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Mellitic acid be handled safely?
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Mellitic acid is a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with a dust mask type N95, eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation.
Is Mellitic acid available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of Mellitic acid, packed and shipped according to international regulations.
How can I request a quote or sample of Mellitic acid?
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Please contact our sales team via the website or direct inquiry to request a quote or sample of Mellitic acid.
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