Molekula
2,3,5-Triiodobenzoic Acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2,3,5-Triiodobenzoic Acid is an iodinated aromatic compound primarily used in plant science as an auxin polar transport inhibitor (antiauxin) and as a plant growth regulator. It is also employed in chemical research for iodination reactions and as a reagent in organic synthesis. This solid powder has a CAS number of 88-82-4, a molecular formula of I3C7H3O2 (corrected from I3C6H2CO2H), and a molecular weight of 499.81 g/mol. It requires cold storage between -15°C and -20°C and carries a signal word of "Warning." Molekula supplies 2,3,5-Triiodobenzoic Acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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25 g — £93.50 per pack ex VAT · £112.20 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | off-white to brown powder |
| Identification | Conforms to reference |
| Purity | ≥ 98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White to off-white amorphous powder |
| Melting Point | 225 °C |
| Solubility (other solvents) | Insoluble in water; slightly soluble in benzene; very soluble in ethanol, ether |
Source: PubChem CID 6948 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 90028179 |
| CAS Number | 88-82-4 |
| IUPAC Name | 2,3,5-triiodobenzoic acid |
| EC Number | 201-859-6 |
| Molecular Formula | I3C6H2CO2H |
| Molecular Weight | 499.81 |
| Exact Mass | 499.7267 |
| SMILES | C1=C(C=C(C(=C1C(=O)O)I)I)I |
| InChIKey | ZMZGFLUUZLELNE-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H3I3O2/c8-3-1-4(7(11)12)6(10)5(9)2-3/h1-2H,(H,11,12) |
| PubChem CID | 6948 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29163979 |
| Tariff Code | 2916399090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- A 20812
- acide 2,3,5-triiodobenzoique
- Benzoic acid, 2,3,5-triiodo-
- Caswell No. 890A
- Floraltone
- Johnkolor
- Kyselina 2,3,5-trijodbenzoova
- Regin 8
- TIB
- TIBA
Frequently asked questions
What is 2,3,5-Triiodobenzoic Acid commonly used for?
It is primarily used as an auxin polar transport inhibitor (antiauxin), both as a research tool in plant physiology and as a plant growth regulator.
What is the chemical formula and molecular weight of 2,3,5-Triiodobenzoic Acid?
The chemical formula is I₃C₆H₂CO₂H and the molecular weight is 499.81 g/mol.
How should 2,3,5-Triiodobenzoic Acid be stored?
It should be stored at -15 to -20°C to maintain stability and prevent degradation.
What grade or purity is available for this product?
Molekula supplies analytical-grade 2,3,5-Triiodobenzoic Acid.
Can Molekula supply this product in bulk quantities?
Yes, we offer bulk packaging options for 2,3,5-Triiodobenzoic Acid, with quantities tailored to meet industrial or research-scale demands.
What documentation comes with an order of this product?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS/SDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.