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Tetradecyltrimethylammonium bromide 

Cat. No.: HY-D0839
Handling Instructions

Tetradecyltrimethylammonium bromide, an organic building block, is a cationic surfactant with asymmetrical structure.

For research use only. We do not sell to patients.

Tetradecyltrimethylammonium bromide Chemical Structure

Tetradecyltrimethylammonium bromide Chemical Structure

CAS No. : 1119-97-7

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Based on 1 publication(s) in Google Scholar

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Tetradecyltrimethylammonium bromide, an organic building block, is a cationic surfactant with asymmetrical structure[1][2].

In Vitro

Tetradecyltrimethylammonium bromide (TTAB; TTABr) is increasingly used in capillary electrophoresis as a surface active aid in the separation of acid derived anionic species. It has been observed that Tetradecyltrimethylammonium bromide requires a minimum concentration of approximately 0.4mM for best results. This value has been chosen because it is close to its critical micelle concentration (CMC), and it has been projected that this concentration is required for “hemimicelles” to be formed on the inner wall of the capillary[3].

Molecular Weight









Room temperature in continental US; may vary elsewhere.


Please store the product under the recommended conditions in the Certificate of Analysis.

Solvent & Solubility
In Vitro: 

H2O : 125 mg/mL (371.59 mM; Need ultrasonic)

Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.9727 mL 14.8637 mL 29.7274 mL
5 mM 0.5945 mL 2.9727 mL 5.9455 mL
10 mM 0.2973 mL 1.4864 mL 2.9727 mL
*Please refer to the solubility information to select the appropriate solvent.
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The molarity calculator equation

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The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2



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Tetradecyltrimethylammonium bromide
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