Tetrabutylammonium Phosphate (05mol/L in Water) [Reagent for Ion-Pair Chromatography] TCI I0367

Chemical Identity

CAS No.: 5574-97-0
PubChem: CID 101136810·SID 87571720
Formula: C16H40NO5P
Molecular weight: 357.47 g/mol

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: phosphoric acid;tetrabutylazanium;hydroxide
SMILES: CCCC[N+](CCCC)(CCCC)CCCC.[OH-].OP(=O)(O)O
InChIKey: QIWWZEXNQJWZCR-UHFFFAOYSA-M

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Tetrabutylammonium Phosphate (TBAP) is a chemical compound widely used in analytical chemistry, particularly in ion-pair chromatography. It serves as a reagent that enhances the separation of ions in solution, making it essential for precise analytical procedures. TBAP is supplied as a 0.05 mol/L aqueous solution, making it convenient for direct use in laboratory settings. Its role in ion-pair chromatography is crucial for analyzing complex mixtures, especially in the identification and quantification of organic and inorganic compounds.

TBAP is valued for its chemical stability and non-reactive nature, which ensures consistent performance across various experimental conditions. It is non-toxic and odorless, contributing to a safe working environment in laboratories. The compound's inertness also allows it to be compatible with a wide range of other reagents and solvents, simplifying its integration into different analytical workflows. These properties make TBAP a reliable and versatile choice for high-precision laboratory applications.

In Indonesian laboratories, TBAP is commonly used in analytical research and quality testing of water, food, and chemical substances. Its application is particularly relevant in educational and research institutions that require high-quality laboratory materials. The compound's reliability and ease of use make it an essential component in the analytical toolkit of Indonesian scientific facilities.

Advantages (TCI brochure)

Already buffered, so pH adjustment is not required

TCI brochures (PDF)

Ion-Pair Reagents for HPLC 2025-12-09 · p. 2

Related TCI products

Ion-pair chromatography for separating and analyzing organic and inorganic ions in complex samples.
Quality testing of water samples to detect trace ions and contaminants in environmental analysis.
Analytical research in food science for determining the composition of food additives and contaminants.
Chemical analysis of industrial samples to ensure compliance with safety and purity standards.
Educational use in analytical chemistry courses to demonstrate ion-pairing mechanisms and chromatographic techniques.

From the TCI brochure

Ion-pair reagent for acidic samples in HPLC

Brand	TCI
CAS number	5574-97-0
Molecular formula	—
Purity	—
Category	Analytical Chemistry > Analytical Reagents > Chromatography Reagents and Solvents
Pack sizes	0.05 mol/L in water
Physical form	Aqueous solution
Storage	Store in a cool, dark place away from direct sunlight and moisture

Data from the TCI brochure

Reagent volume	10 mL (diluted to 1 L with an aqueous solvent such as methanol - water)

Source: TCI brochure A1084 (2025-12-09)

Tetrabutylammonium Phosphate should be stored in a cool, dark place to maintain its chemical stability. It is recommended to keep the solution in a tightly sealed container to prevent contamination and evaporation. Since it is non-reactive and non-toxic, it does not require special handling beyond standard laboratory safety practices. However, it should be kept away from strong acids or bases to avoid any potential interactions. The solution is stable under normal laboratory conditions and does not require refrigeration. Proper labeling and storage are essential to ensure safe and effective use in analytical applications.

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