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Tetradecyltrimethylammonium bromide 

Cat. No.: HY-D0839 Purity: ≥98.0%
COA 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

Size Price Stock Quantity
Solid + Solvent
10 mM * 1 mL in Water
ready for reconstitution
USD 55 In-stock
10 mM * 1 mL in Water USD 55 In-stock
5 g USD 50 In-stock
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50 g   Get quote  

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Customer Review

Based on 1 publication(s) in Google Scholar

Other Forms of Tetradecyltrimethylammonium bromide:

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  • Purity & Documentation

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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].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Molecular Weight









Room temperature in continental US; may vary elsewhere.


4°C, sealed storage, away from moisture and light

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)

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.
In Vivo:
  • 1.

    Add each solvent one by one:  PBS

    Solubility: 50 mg/mL (148.64 mM); Clear solution; Need ultrasonic

*All of the co-solvents are available by MedChemExpress (MCE).
Purity & Documentation
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Tetradecyltrimethylammonium bromide Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • Molarity Calculator

  • Dilution Calculator

The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass   Concentration   Volume   Molecular Weight *
= × ×

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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Product Name:
Tetradecyltrimethylammonium bromide
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