Tetraethylammonium Iodide TCI T0097

Chemical Identity

CAS No.: 68-05-3
PubChem: CID 6225·SID 87576109
Formula: C8H20IN
Molecular weight: 257.16 g/mol
Purity: >98.0%(T)
Reference databases: ChemSpider·ECHA·Wikipedia

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: tetraethylazanium iodide
SMILES: CC[N+](CC)(CC)CC.[I-]
InChIKey: UQFSVBXCNGCBBW-UHFFFAOYSA-M

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Tetraethylammonium Iodide from TCI (product code T0097, CAS 68-05-3) is a quaternary ammonium salt made up of a tetraethylammonium cation and an iodide anion. Like other tetraethylammonium salts, it is known as a phase transfer catalyst, a reagent that helps reactions between two immiscible phases run more efficiently by moving reactive species across the phase boundary. In the laboratory it is classed as a synthetic reagent, and both organic chemists and electrochemists use it in their routine and research work.

The iodide ion is what sets this salt apart from other members of the family. Iodide is both a good nucleophile and a good leaving group, so it works well in reactions that need activation through halogen exchange. In these reactions, iodide replaces chloride or bromide on a substrate, and the substitution step that follows runs faster. Iodide is also redox-active, and the iodide/triiodide redox couple makes this salt relevant to electrochemical research. The tetraethylammonium cation gives the salt good solubility in polar solvents, which makes it easy to use in many reaction media and electrolyte formulations.

In Indonesia, Tetraethylammonium Iodide is used in organic chemistry laboratories, where it supports phase transfer and halogen-exchange reactions in synthesis research. Renewable energy laboratories use it in work on dye-sensitized solar cells and redox electrolytes. University research groups and teaching laboratories may also use it in physiology studies, because the tetraethylammonium cation is a known potassium channel blocker. A reagent from a recognised brand such as TCI gives researchers consistent, traceable material for these applications.

TCI brochures (PDF)

Solar Cell Materials 2026-04-21 · p. 12
Quaternary Ammonium Salts 2025-11-10 · p. 7

Related TCI products

Phase transfer catalysis: As a quaternary ammonium salt, it moves reactive anions between immiscible phases, so biphasic reactions run more efficiently and under milder conditions.
Halogen-exchange activation: The iodide ion replaces chloride or bromide on organic substrates, which makes the following nucleophilic substitution faster in multistep synthetic routes.
Dye-sensitized solar cell research: The redox-active iodide/triiodide couple makes this salt a relevant component in electrolyte studies for dye-sensitized solar cell development.
Redox electrolyte studies: Its solubility in polar solvents and redox-active anion make it useful for preparing and studying electrolyte systems in electrochemical laboratories.
Physiology and ion channel research: The tetraethylammonium cation is a known potassium channel blocker, so the salt is relevant in physiological studies of ion channel behaviour.

Brand	TCI (product code T0097)
CAS number	68-05-3
Molecular formula	—
Purity	—
Category	Chemistry > Synthetic Reagents > Phase Transfer Catalysts
Pack sizes	please refer to the pack options listed on this product page
Physical form	please refer to the supplier's certificate of analysis and safety data sheet
Storage	keep tightly closed in a cool, dry place, following the supplier's safety data sheet

Store Tetraethylammonium Iodide in its original, tightly sealed container in a cool, dry, well-ventilated area. Protect it from moisture and direct light, since iodide salts can degrade when exposed to them. Keep it away from strong oxidising agents and incompatible materials. Close the container right after each use so the reagent stays in good condition. When handling, use standard laboratory personal protective equipment, including gloves, safety glasses, and a lab coat, and avoid creating dust or inhaling it. Weigh and transfer the material in a fume hood or a well-ventilated area. Read the product's safety data sheet before use, and dispose of waste according to local regulations and institutional laboratory procedures.

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