2,3,5-Triiodobenzoic Acid
2,3,5-Triiodobenzoic Acid is abbreviated as TIBA, a multifunctional fine chemical of triiodo-substituted aromatic benzoic acid. The benzene ring carries iodine atoms at C2, C3 and C5 positions with a carboxyl group at C1. Strong electron-withdrawing iodine atoms activate the aromatic ring to support various organic reactions including Suzuki, Ullmann, esterification and amidation
2,3,5-Triiodobenzoic Acid
2,3,5-Triiodobenzoic Acid
Synonyms: TIBA, Floraltone, 2,3,5-Triiodobenzenecarboxylic Acid
CAS No.: 88-82-4
Molecular Formula: C7H3I3O2
Molecular Weight: 499.81
SMILES: O=C(O)c1cc(I)cc(I)c1I
Appearance: White to pale yellow prismatic crystalline powder
Melting Point: 220–226 ℃
Boiling Point: 456.7 ℃ (760 mmHg)
Flash Point: 230 ℃
Density: 2.971 g/cm³
Storage Requirements
Pack in brown light-proof sealed containers, store in cool and dry environment at 5–15 ℃, strictly avoid direct sunlight.
Store separately; do not co-store with strong alkalis, strong reductants and active metals to prevent deiodination side reactions.
Keep packaging fully airtight to isolate air and moisture; standard shelf life is 12 months.
Separate from open flames, high-temperature ovens and heat sources, maintain well ventilated and dry warehouse.
Safety Operation Guidelines
All operations must be performed in fume hoods with solvent-resistant nitrile gloves, chemical safety goggles and dust respirators.
GHS Hazard Classification: Signal word Warning; Hazard Statements H302 (Harmful if swallowed), H315 (Causes skin irritation), H319 (Causes serious eye irritation), H335 (May cause respiratory irritation); hazard symbol Xn (Harmful).
Skin contact: Rinse thoroughly with plenty of running water and detergent for 15 minutes. Eye contact: Flush eyes continuously with clean water for 15 minutes and seek immediate medical treatment. Do not induce vomiting if swallowed; seek prompt medical care.
Waste mother liquor and solid residues are iodine-containing hazardous organic waste; discharge into sewers is forbidden, deliver to qualified hazardous waste disposal institutions for dedicated treatment.
Classified as general organic intermediate for transportation, non-highly toxic hazardous goods; transport under light-shielded, moisture-proof and rain-proof conditions, mixed loading with acidic, alkaline or reducing materials is prohibited.
Purity: ≥98% HPLC
Research reagent for plant physiology: Auxin transport inhibitor for laboratory study of Arabidopsis, crop development mechanism, embryogenesis and seed germination, suitable for MS plant culture medium addition.
Agricultural plant growth regulator: Low concentration promotes flower bud differentiation and rooting; high concentration inhibits overgrowth and lodging resistance for soybeans, fruit trees and flowers to boost yield.
Synthetic building block for pharmaceutical & agrochemical heterocycles: Multi-iodo aromatic intermediate for preparation of anti-tumor drugs and agricultural fungicides with multi-substituted aromatic active scaffolds.
Raw material for optoelectronic organic functional materials: Multi-iodo aromatic monomer for synthesis of liquid crystals, OLED luminescent materials and organic catalytic ligands.
Substrate for organic synthesis process development: Standard raw material for Suzuki, Ullmann coupling, esterification and amidation reaction process optimization.
High-purity chromatographic reference standard and special biological experimental reagent (99% high-purity grade).
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