dodecyl trimethyl ammonium bromide, CAS No. 1119-94-4

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1119-94-4

Catalog No. EBD2199605

CAS 1119-94-4

Name dodecyl trimethyl ammonium bromide

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Basic Information

Synonyms: 1-dodecanaminium,n,n,n-trimethyl-,bromide ammonium,dodecyltrimethyl-,bromide dodecayltrimethylaminiumbromide dodecyltrimethyl-ammoniubromide e8013 n,n,n-trimethyl-1-dodecanaminiubromide n,n,n-trimethyl-1-dodecanaminiubromidentis**ots0545456 n-lauryl-n,n,n-trimethylammoniumbromide dodecyltrimethylammoniumbromide N,N,N-trimethyl-1-dodecanaminiumbromide DTAB DodecylTrimethylAmoniumBromide 1-Dodecanaminium,N,N,N-trimethyl-,bromideammonium,dodecyltrimethyl-,bromide trimethyldodecylammoniumbromide trimethyllaurylammoniumbromide N-DODECYLTRIMETHYLAMMONIUMBROMIDE LAURTRIMONIUMBROMIDE (1-Dodecyl)trimethylammoniumbromide

Molecular Formula: C15H34BrN

Molecular Weight: 308.34

MDL Number: MFCD00011767

Categories: Functional Chemicals > Consumer & Industrial Chemicals > Surfactants Materials Chemistry > Surface Modification and Functional Coatings > Surface Functional Molecules

Product Description:

Dodecyltrimethylammonium bromide (DTAB), CAS 1119-94-4, is a quaternary ammonium salt with the chemical formula C₁₅H₃₄NBr. It is a cationic surfactant characterized by a long hydrophobic dodecyl chain and a positively charged trimethylammonium head group. Its primary application is as a cationic surfactant in various industrial and household formulations. It is widely used in fabric softeners, hair conditioners, and disinfectant cleaners due to its ability to adsorb onto negatively charged surfaces, providing softening, antistatic, and antimicrobial properties. In materials science, DTAB serves as a structure-directing agent or templating molecule in the synthesis of mesoporous silica materials (e.g., MCM-41) and for the surface functionalization of nanoparticles. DTAB is also employed as a phase-transfer catalyst in organic synthesis and as a denaturant in protein chemistry. It is generally considered a mild irritant to skin and eyes, and proper handling procedures should be followed.

Physical Properties

Melting Point: 246 °C (dec.)(lit.)

Flash Point: 246°C

Solubility: 0.1 M at 20 °C in water

Safety Information

Packing Level: III

Hazard Category: 9

Transport Codes: 3077

Analytical Data

Appearance: white to slightly yellow powder