44165

Dodecylethyldimethylammonium bromide

≥98.0% (AT)

• Synonym(s): Dimethyldodecylethylammonium bromide, Dodecyldimethylethylammonium bromide
• Linear Formula: [CH₃(CH₂)₁₁N⁺(CH₃)₂C₂H₅]Br^-
• CAS Number: 68207-00-1
• Molecular Weight: 322.37
• Beilstein: 6007021
• EC Number: 269-249-2
• MDL number: MFCD00043170
• UNSPSC Code: 12352116
• PubChem Substance ID: 57650215
• NACRES: NA.22

Properties

• description: cationic
• Quality Level: 300
• Assay: ≥98.0% (AT)
• form: powder
• mol wt: 322.37 g/mol
• technique(s): ion chromatography: suitable; titration: suitable
• mp: 185-188 °C (lit.); 185-190 °C
• solubility: H₂O: 50 mg/mL, clear, colorless
• SMILES string: [Br-].CCCCCCCCCCCC[N+](C)(C)CC
• InChI: 1S/C16H36N.BrH/c1-5-7-8-9-10-11-12-13-14-15-16-17(3,4)6-2;/h5-16H2,1-4H3;1H/q+1;/p-1
• InChI key: FFGSPQDSOUPWGY-UHFFFAOYSA-M

Description

Application

Dodecylethyldimethylammonium bromide (C₁₂EDMAB) can be used:

• As a growth-directing surfactant in the synthesis of monodisperse gold nanorods.
• As a surfactant in the synthesis of poly(methyl methacrylate)-poly(N-isopropylacrylamide) core-shell particles via emulsion polymerization.
• As an additive in the synthesis of mesoporous nanocrystalline TiO₂ microspheres to increasing the degree of crystallization and modification in the texture of TiO₂.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves