Hexamethonium Chloride Dihydrate TCI H0090

Name: TCI H0090 16986-49-5 Hexamethonium Chloride Dihydrate
Brand: TCI
SKU: TCI2510H009032451
Price: 2391900.0 IDR
Availability: InStock

Rp 2.391.900,00

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TCI H0090 Hexamethonium Chloride Dihydrate is a bis-quaternary ammonium salt supplied as a solid, carrying two permanent positive charges at either end of its hexamethylene chain and provided in the dihydrate form. This doubly charged structure makes it a highly water-soluble and strongly ionic compound. Within this catalogue the material is classified as a colloidal quantum dot research reagent — that is, as a quaternary ammonium compound used by researchers to control the surface, the charge and the ionic environment of nanometre-scale particles during preparation as well as during post-synthetic processing.

The property that leads researchers to select this compound is its dual charge, which persists across a wide pH range because quaternary nitrogen atoms do not depend on protonation the way ordinary amines do. The six-carbon spacing between the two charge centres gives the molecule a distinctive bridging geometry, so that it can span two negatively charged surfaces or arrange itself at a particle interface. Its high solubility in water makes it straightforward to prepare stock solutions at measured concentrations. The dihydrate form must be taken into account when calculating molecular mass, so that the concentration of any prepared solution remains accurate.

In Indonesian laboratories this reagent is typically handled in university research groups, materials science institutes and nanomaterials laboratories working on colloidal particle systems. It is generally weighed out in small quantities on an analytical balance, dissolved in deionised water to make a stock solution, and then added to particle dispersions at the working concentration required by the experiment. Because the material is a hydrate, laboratories that operate in warm and humid conditions pay particular attention to closing the container promptly after each weighing.

Colloidal quantum dot surface modification — the two permanent cationic centres adsorb onto negatively charged particle surfaces, allowing researchers to adjust interfacial charge without relying on solution pH to maintain the charge.
Ionic environment control in nanoparticle dispersions — the compound dissolves readily in water and delivers a defined quantity of divalent cationic charge, making it useful for systematically varying the ionic conditions surrounding suspended particles.
Interparticle bridging studies — the fixed six-carbon spacing between the two charged nitrogen atoms gives a defined bridging distance, letting researchers examine how a dicationic linker associates with two separate negatively charged surfaces.
Post-synthetic processing of nanoparticle preparations — the reagent can be introduced after particle formation to modify surface charge and dispersion behaviour, since its charge characteristics do not change with the pH of the processing medium.
Aqueous stock solution preparation for surface chemistry experiments — high water solubility allows accurately measured stock solutions to be made and diluted, supporting reproducible concentration series across repeated experimental runs.

Brand	TCI
CAS number	16986-49-5
Molecular formula	—
Purity	—
Category	Materials Science > Electronic Materials > Colloidal Quantum Dot (QD) Research Reagents
Pack sizes	available in the catalogue pack sizes listed for this item
Physical form	solid, supplied as the dihydrate
Storage	keep in a tightly closed container, protected from moisture

Store the container tightly closed in a cool, dry place away from direct sunlight and sources of moisture, since the material is supplied as a hydrate and is highly water-soluble. Use clean, dry glass or chemically compatible plastic containers for stock solutions, and label them with the concentration and preparation date. Weigh the solid in a well-ventilated area or fume hood, using a clean spatula to avoid contaminating the bulk container, and close the container promptly after each use. Wear a laboratory coat, safety glasses and suitable gloves when handling the solid or its solutions, avoid generating dust, and wash hands after handling. Consult the manufacturer's safety data sheet before first use and dispose of residues in accordance with local laboratory waste procedures.

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