Didecyl dimethyl ammonium bromide

CAS 2390-68-3  ·  C₂₂H₄₈BrN  ·  MW 406.5 g/mol

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3D model Didecyl dimethyl ammonium bromide, CAS 2390-68-3, molecular formula C₂₂H₄₈BrN, molar mass 406.5 g/mol
About Didecyl dimethyl ammonium bromide

Didecyl dimethyl ammonium bromide is a chemical compound registered under number CAS 2390-68-3, with the molecular formula C₂₂H₄₈BrN, and a molar mass of 406.5 g/mol.

The molecule contains 72 atoms connected by 70 chemical bonds. The full systematic IUPAC name of this compound is didecyl(dimethyl)azanium bromide. The interactive 3D model above lets you view the spatial arrangement of the atoms — you can rotate it with the mouse, zoom with the scroll wheel, and switch between skeletal / Ball & Stick / Space Fill visualization modes.

In terms of physicochemical properties, polar surface area PSA = 0 Ų, 0 donors and 1 hydrogen bond acceptors. These parameters are key when assessing bioavailability and interaction with biomolecules.

Chemical data for this compound comes from PubChem (NIH NLM NCBI), one of the world's largest chemical databases. All information is updated automatically and enriched with GHS hazard statement translations compliant with the CLP Regulation (EC 1272/2008). The widget above may be used for educational, research and commercial purposes.

Physicochemical properties
Molecular formulaC₂₂H₄₈BrN
Molar mass406.5 g/mol
IUPACdidecyl(dimethyl)azanium bromide
SMILESCCCCCCCCCC[N+](C)(C)CCCCCCCCCC.[Br-]
InChIKeyUMGXUWVIJIQANV-UHFFFAOYSA-M
logP (XLogP3)—
PSA0 Ų
HBD / HBA0 / 1
PubChem CIDCID 16957 ↗
GHS safety

Signal word: Warning

GHS07
GHS07

H315 — Causes skin irritation

H319 — Causes serious eye irritation

H335 — May cause respiratory irritation

Scientific literature

Brak articles naukowych dla CAS 2390-68-3 w PubMed / OpenAlex / Semantic Scholar.

Synonyms
Didecyldimethylammonium bromide · 2390-68-3 · Didecyldimonium bromide · DECIQUAM · Didecyl Dimethyl Ammonium Bromide · BROMOSEPT · 72L098XL5Y · DTXCID7026528 · RefChem:55014 · 219-234-1 · N-Decyl-N,N-dimethyldecan-1-aminium bromide · Di-n-decyldimethylammonium bromide · DDAB · 1-Decanaminium, N-decyl-N,N-dimethyl-, bromide · didecyl(dimethyl)azanium;bromide
Data sources
Related molecules
📜 License & provenancePREDICTED MODEL · NOT VERIFIEDMolGod_License_1
PREDICTED MODEL — NOT VERIFIED
computed by MolGod Scientific · experimental feature (beta) · may contain errors
ILLUSTRATIVE FRAGMENT ARRANGEMENT — relative positions are not structural data

No source 3-D conformer was available to MolGod for this substance. MolGod Scientific computed this geometry from the structural formula with RDKit 2026.03.6 (ETKDGv3 conformer generation, MMFF94 force-field optimisation; lowest-energy converged conformer of a fixed-seed set). It is not a measured structure, it does not come from PubChem, and it has not been compared with experimental data. It shows one possible conformation.

This substance consists of 2 separate components (for example ions). Each component was computed separately; they are arranged radially around a layout anchor for visualisation only (at least 3.0 Å apart). Their relative positions are not a crystal structure, coordination geometry, ionic contacts or any experimentally determined arrangement.

Methods and references
  1. RDKit: Open-source cheminformatics, version 2026.03.6. Zenodo. doi:10.5281/zenodo.22140358 (all versions: doi:10.5281/zenodo.591637)
  2. Riniker S, Landrum GA. Better Informed Distance Geometry: Using What We Know To Improve Conformation Generation. J. Chem. Inf. Model. 2015, 55, 2562-2574. doi:10.1021/acs.jcim.5b00654
  3. Wang S, Witek J, Landrum GA, Riniker S. Improving Conformer Generation for Small Rings and Macrocycles Based on Distance Geometry and Experimental Torsional-Angle Preferences. J. Chem. Inf. Model. 2020, 60, 2044-2058. doi:10.1021/acs.jcim.0c00025
  4. Halgren TA. Merck molecular force field. I. Basis, form, scope, parameterization, and performance of MMFF94. J. Comput. Chem. 1996, 17, 490-519. doi:10.1002/(SICI)1096-987X(199604)17:5/6<490::AID-JCC1>3.0.CO;2-P
  5. Tosco P, Stiefl N, Landrum G. Bringing the MMFF force field to the RDKit: implementation and validation. J. Cheminform. 2014, 6, 37. doi:10.1186/s13321-014-0037-3
  6. Heller SR, McNaught A, Pletnev I, Stein S, Tchekhovskoi D. InChI, the IUPAC International Chemical Identifier. J. Cheminform. 2015, 7, 23. doi:10.1186/s13321-015-0068-4
  7. Kim S, Chen J, Cheng T, et al. PubChem 2025 update. Nucleic Acids Res. 2025, 53, D1516-D1525. doi:10.1093/nar/gkae1059 Compound record: https://pubchem.ncbi.nlm.nih.gov/compound/16957
  8. Bolton EE, Kim S, Bryant SH. PubChem3D: Conformer generation. J. Cheminform. 2011, 3, 4. doi:10.1186/1758-2946-3-4 (cited for contrast: no source 3-D conformer was available to MolGod for this record)
Didecyl dimethyl ammonium bromide (CAS 2390-68-3), C₂₂H₄₈BrN - 3D ball-and-stick molecular model, engraved element symbols (C H Br N), MolGod STL previewDownload image

MG-STL-2390-68-3-ENGRAVED · 767,726 △ · 37 MB · SHA-256 0f5aa16d3ba568da

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Didecyl dimethyl ammonium bromide (CAS 2390-68-3), C₂₂H₄₈BrN - 3D ball-and-stick molecular model, MolGod STL previewDownload image

MG-STL-2390-68-3-NORMAL · 29,760 △ · 1 MB · SHA-256 a84be31b37770bd0

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Model
Didecyl dimethyl ammonium bromide · 2390-68-3
InChIKey
UMGXUWVIJIQANV-UHFFFAOYSA-M
License
CC BY-SA 4.0 International (source rights undetermined — not yet granted)
Attribution
MolGod Scientific — Didecyl dimethyl ammonium bromide (CAS 2390-68-3)
License & provenance record
Didecyl dimethyl ammonium bromide (CAS 2390-68-3) →
MolGod molecule record
Didecyl dimethyl ammonium bromide →
Source data
PubChem CID 16957 ↗
Model information
STL generated by MolGod · MolGod STL Exporter build 48804cd20b0d · generated 2026-10-14
SHA-256 (STL)
a84be31b37770bd046e06e77790f6ecb6a3fbf4f61a854e3179cc2b6785b0f4a
MD5 (STL)
176fc38465ffb927459dceeb9ba975ef
Model identifier
MG-STL-2390-68-3
Transformation
MolGod Scientific ball-and-stick mesh
Changes
PREDICTED geometry computed by MolGod Scientific (RDKit), NOT verified; rendered as a triangulated mesh.
Wikimedia Commons
not published yet

This license applies to the MolGod-created STL mesh, not automatically to third-party source material.

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