2,3,5-Triiodobenzoic acid
2,3,5-Triiodobenzoic acid (CAS: 88-82-4) is a carboxylic acid with the molecular formula I₃C₆H₂CO₂H and a molecular weight of 499.81 g/mol. This compound serves as a valuable building block in organic synthesis. It is primarily utilised in the preparation of radiopaque polymers through its incorporation into vinylic monomers. TSS supplies this chemical with an assay of 98%, tested for plant cell culture suitability and stored at -20°C.
- IUPAC
- TIBA
- Synonyms
- 88-82-4I3C6H2CO2HTIBA

Synthesis of Radiopaque Monomers
2,3,5-Triiodobenzoic acid is employed in the synthesis of 2-methacryloyloxyethyl(2,3,5-triiodobenzoate). This iodine-containing vinylic monomer is crucial for the development of radiopaque polymers.
Organic Building Block
As a versatile organic building block, this compound is suitable for various chemical synthesis pathways. Its structure allows for further functionalization in complex molecule construction.
Plant Cell Culture Reagent
This substance has been tested for suitability in plant cell culture applications, indicating its potential use in biological research and biotechnology.
| Molecular weight | 499.81 |
|---|---|
| Linear formula | I3C6H2CO2H |
| Assay | 98% |
| Solubility | methanol: soluble5% |
| Storage temperature | −20°C |
| Application | 2,3,5-Triiodobenzoic acid has been used in the synthesis of aromatic iodine containing vinylic monomer, 2-methacryloyloxyethyl(2,3,5-triiodobenzoate) used in preparing radiopaque polymers1. |
| Suitability | plant cell culture tested |
| Melting point | 220-222 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Safety statements (S) | 22-26-36 |
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 2,3,5-Triiodobenzoic acid used for?
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2,3,5-Triiodobenzoic acid is used in chemical synthesis, notably in the preparation of radiopaque polymers. It also functions as an organic building block and has been tested for plant cell culture applications.
What is the CAS number and chemical formula for 2,3,5-Triiodobenzoic acid?
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The CAS number for 2,3,5-Triiodobenzoic acid is 88-82-4, and its linear chemical formula is I₃C₆H₂CO₂H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3,5-Triiodobenzoic acid with a purity of 98% (assay). It is tested for suitability in plant cell culture. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.
How should 2,3,5-Triiodobenzoic acid be handled safely?
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2,3,5-Triiodobenzoic acid is classified as harmful if swallowed (H302). When handling, it is recommended to wear a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation and avoid dust formation. Refer to the Safety Data Sheet for full details.
How is 2,3,5-Triiodobenzoic acid packed, shipped, and exported?
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2,3,5-Triiodobenzoic acid is carefully packed to maintain its integrity during transit and is exported globally by TSS in compliance with international shipping regulations for chemicals.
How can I request a quote or sample for 2,3,5-Triiodobenzoic acid?
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To request a quote or a sample of 2,3,5-Triiodobenzoic acid, please contact our sales team through the TSS website or by calling our customer service line, providing the product name and CAS number.
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