Ethylhexadecyldimethylammonium bromide - ≥98% , CAS No.124-03-8

CAS: 124-03-8 Cat. No.: E111745 Molecular Weight: 378.47 Beilstein Registry Number: 3729134 EC Number: 204-672-8
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
EHDAB | 1-Hexadecanaminium, N-ethyl-N,N-dimethyl-, bromide (1:1) | J-005027 | Cetethyldimonium bromide | Cetyldimethylethylammonium bromide | Ethylhexadecyldimethylammonium bromide, >=98% (non-aqueous titration) | CETYLDIMETHYLETHYLAMMONIUM BROMIDE [MI] |
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
E111745-25g
5

$19.90

$29.90
Save $10.00 (33.44%)
100g
E111745-100g
3

$47.90

$71.90
Save $24.00 (33.38%)
500g
E111745-500g
1

$179.90

$269.90
Save $90.00 (33.35%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Ethylhexadecyldimethylammonium bromide is a surfactant.

Specifications

Synonyms
EHDAB | 1-Hexadecanaminium, N-ethyl-N, N-dimethyl-, bromide (1:1) | J-005027 | Cetethyldimonium bromide | Cetyldimethylethylammonium bromide | Ethylhexadecyldimethylammonium bromide, >=98% (non-aqueous titration) | CETYLDIMETHYLETHYLAMMONIUM BROMIDE [MI] |
Specifications & Purity
≥98%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504753454
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504753454
Canonical SmilesCCCCCCCCCCCCCCCC[N+](C)(C)CC.[Br-]
IUPAC Nameethyl-hexadecyl-dimethylazanium;bromide
InChIKeyVUFOSBDICLTFMS-UHFFFAOYSA-M
INCHI1S/C20H44N.BrH/c1-5-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21(3,4)6-2;/h5-20H2,1-4H3;1H/q+1;/p-1
Isomeric SMILES CCCCCCCCCCCCCCCC[N+](C)(C)CC.[Br-]
WGK Germany 3
RTECS BQ5425000
Molecular Weight 378.47
Beilstein 3729134
Reaxy-Rn 3729134
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3729134&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic nitrogen compounds
ClassOrganonitrogen compounds
SubclassQuaternary ammonium salts
Intermediate Tree Nodes Not available
Direct ParentTetraalkylammonium salts
Alternative Parents Organopnictogen compounds  Organic bromide salts  Hydrocarbon derivatives  Amines  
Molecular FrameworkAliphatic acyclic compounds
Substituents Tetraalkylammonium salt - Organopnictogen compound - Hydrocarbon derivative - Organic bromide salt - Organic salt - Amine - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as tetraalkylammonium salts. These are organonitrogen compounds containing a quaternary ammonium substituted with four alkyl chains.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
OXTR Tclin Oxytocin receptor (1962 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AVPR1A Tclin Vasopressin V1a receptor (5412 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GBA1 Tclin Beta-glucocerebrosidase (14647 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HSP90AA1 Tchem Heat shock protein HSP 90-alpha (4115 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GLP1R Tclin Glucagon-like peptide 1 receptor (111429 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HepG2 (196354 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
POLH Tchem DNA polymerase eta (21678 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
EHMT2 Tchem Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 (93046 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SNCA Tchem Alpha-synuclein (10960 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TDP1 Tchem Tyrosyl-DNA phosphodiesterase 1 (345557 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SMAD3 Tchem Mothers against decapentaplegic homolog 3 (68039 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GMNN Tbio Geminin (128009 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ATXN2 Tbio Ataxin-2 (54410 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
USP1 Tchem Ubiquitin carboxyl-terminal hydrolase 1 (22556 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
IDH1 Tclin Isocitrate dehydrogenase [NADP] cytoplasmic (40980 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
RAPGEF3 Tchem Rap guanine nucleotide exchange factor 3 (15528 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GLS Tchem Glutaminase kidney isoform, mitochondrial (16997 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
RAD52 Tchem DNA repair protein RAD52 homolog (856 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Streptococcus (3973 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Saccharomyces cerevisiae (19171 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Streptococcus sp. 'group A' (3417 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Vero (26788 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
INS1 (2867 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
dnaB Replicative DNA helicase (15 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ska Streptokinase A (5805 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
recA Protein RecA (2211 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HSP90 (947 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
vpr Aberrant vpr protein (14595 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

7 results found

Lot NumberCertificate TypeDateItem
G2411102Certificate of AnalysisApr 03, 2026 E111745
G2411103Certificate of AnalysisApr 03, 2026 E111745
B2209040Certificate of AnalysisAug 07, 2025 E111745
B2209042Certificate of AnalysisAug 07, 2025 E111745
B2209049Certificate of AnalysisAug 07, 2025 E111745
K1926162Certificate of AnalysisMar 04, 2025 E111745
E1821060Certificate of AnalysisJan 25, 2022 E111745
Chemical and Physical Properties
Flash Point(°F)93 °C
Flash Point(°C)93°C
Melt Point(°C)190°C
Molecular Weight378.500 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count16
Exact Mass377.266 Da
Monoisotopic Mass377.266 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count22
Formal Charge0
Complexity198.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Citations of This Product
References
1. Lingyun Kong, Siyao Wang, Mingzhou Yang, Yi Peng, Songxiang Zhu, Chaojie Miao, Yuanyuan Deng, Bo Yang.  (2025)  The impact of hydrophilic groups on the demulsification and interfacial behavior of cetyltrimethylammonium emulsified asphalt.  CONSTRUCTION AND BUILDING MATERIALS,      [PMID:] [10.1016/j.conbuildmat.2025.144728]
2. Hao Liu, Yujie Lv, Jiawang Li, Le Kang, Menghui Chen, Langqun Tan, Xiaoshun Yao, Huipeng Wang, Minyue Zhang, Jianxiang Li, Jie Zhu, Chenggong Zhang, Jianyong Yu, Dequn Wu.  (2026)  Modular alginate-based hydrogels embedding multilayer nanofibers: A synergistic strategy for hemostasis, antibacterial, and immunomodulatory therapy.  CARBOHYDRATE POLYMERS,      [PMID:41713983] [10.1016/j.carbpol.2026.124977]
Solution Calculators
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