Trimethyloctylammonium chloride (TOMAC) - ≥99% , CAS No.10108-86-8

CAS: 10108-86-8 Cat. No.: T108988 Molecular Weight: 207.78 Beilstein Registry Number: 4005082 EC Number: 627-224-7 PubChem CID: 24949
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
DTXSID90905939 | N,N,N-Trimethyloctan-1-aminium chloride | 1-Octanaminium, N,N,N-trimethyl-, chloride | HY-W014536 | AS-67707 | FT-0697165 | AKOS024437442 | CATIOGEN 08 | Caprylyltrimethylammonium chloride | Trimethyloctylammonium chloride | Trimethyl-n-o
Storage
Argon charged,Room temperature
Shipped In
Normal
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5g
T108988-5g
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$14.90
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T108988-25g
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100g
T108988-100g
3

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500g
T108988-500g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$174.90

$262.90
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Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Argon charged,Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

Cited in 8 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Trimethyloctylammonium chloride (TOMAC) is a cationic surfactant that can be used:
To separate SiC from ground SiO2 by flotation method.
To prepare porous organosilicates using 1,2-bis(trimethoxysilyl)ethane as a silica precursor.

Specifications

Synonyms
DTXSID90905939 | N, N, N-Trimethyloctan-1-aminium chloride | 1-Octanaminium, N, N, N-trimethyl-, chloride | HY-W014536 | AS-67707 | FT-0697165 | AKOS024437442 | CATIOGEN 08 | Caprylyltrimethylammonium chloride | Trimethyloctylammonium chloride | Trimethyl-n-o
Specifications & Purity
≥99%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Pubchem Sid504753285
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504753285
Canonical SmilesCCCCCCCC[N+](C)(C)C.[Cl-]
IUPAC Nametrimethyl(octyl)azanium;chloride
InChIKeyAQZSPJRLCJSOED-UHFFFAOYSA-M
INCHI1S/C11H26N.ClH/c1-5-6-7-8-9-10-11-12(2,3)4;/h5-11H2,1-4H3;1H/q+1;/p-1
Isomeric SMILES CCCCCCCC[N+](C)(C)C.[Cl-]
WGK Germany 3
PubChem CID 24949
Molecular Weight 207.78
Beilstein 4005082
Reaxy-Rn 4005082

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 chloride salts  Hydrocarbon derivatives  Amines  
Molecular FrameworkAliphatic acyclic compounds
Substituents Tetraalkylammonium salt - Organopnictogen compound - Hydrocarbon derivative - Organic chloride 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





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.

11 results found

Lot NumberCertificate TypeDateItem
J2513721Certificate of AnalysisSep 16, 2025 T108988
J2513722Certificate of AnalysisSep 16, 2025 T108988
J2513723Certificate of AnalysisSep 16, 2025 T108988
J2513724Certificate of AnalysisSep 16, 2025 T108988
J2513725Certificate of AnalysisSep 16, 2025 T108988
L2122419Certificate of AnalysisJul 10, 2025 T108988
E2112261Certificate of AnalysisFeb 07, 2025 T108988
E2112262Certificate of AnalysisFeb 07, 2025 T108988
D2324917Certificate of AnalysisNov 28, 2022 T108988
D2324924Certificate of AnalysisNov 28, 2022 T108988
D2324925Certificate of AnalysisNov 28, 2022 T108988

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Chemical and Physical Properties
SolubilitySoluble in water; Soluble in Methanol
SensitivityMoisture Sensitive
Molecular Weight207.780 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count7
Exact Mass207.175 Da
Monoisotopic Mass207.175 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count13
Formal Charge0
Complexity91.700
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. Shasha Jiang, Weilin Qi, Cheng Ma, Tongyue Wu, Xiaoyu Li, Xingyue Chen, Shuitao Gao, Jinwan Qi, Yun Yan, Jianbin Huang.  (2022)  The high-concentration stable phase: The breakthrough of catanionic surfactant aqueous system.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2022.129120]
2. Mingwei Zhao, Xu Guo, Yining Wu, Caili Dai, Mingwei Gao, Ruoqin Yan, Yunlong Cheng, Yang Li, Xuguang Song, Xiangyu Wang, Zhixue Chen.  (2021)  Development, performance evaluation and enhanced oil recovery regulations of a zwitterionic viscoelastic surfactant fracturing-flooding system.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2021.127568]
3. Yu Yongsheng, He Lin, Xu Junjie, Li Jiaming, Jiang Sida, Han Guanghui, Jiang Baojiang, Lei Wenjuan, Yang Weiwei, Hou Yanglong.  (2021)  A facile solution phase synthesis of directly ordering monodisperse FePt nanoparticles.  Nano Research,  15  (1): (446-451).  [PMID:] [10.1007/s12274-021-3499-4]
4. Lin Liu, Hengchong Shi, Huan Yu, Rongtao Zhou, Jinghua Yin, Shifang Luan.  (2019)  One-step hydrophobization of tannic acid for antibacterial coating on catheters to prevent catheter-associated infections.  Biomaterials Science,  (12): (5035-5043).  [PMID:31535105] [10.1039/C9BM01223K]
5. Lingxi Yang, Lina Zou, Gaiping Li, Baoxian Ye.  (2015)  Simple and rapid determination of trace iodide by cathodic stripping voltammetry.  TALANTA,      [PMID:26592656] [10.1016/j.talanta.2015.09.048]
6. Yiwei Li, Raymond Seekell, Sihui Zhan, Jie Cao, Jing Jing, Yi Li.  (2014)  Electroformed Giant Vesicles from a Binary Mixture of Phospholipids and Quaternary Ammonium Salts.  JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY,      [PMID:] [10.1080/01932691.2013.803930]
7. Guifang Wang, Jiangqi Wei, Guangchuan Liang, Yanli Chen, Shaojian Ma, Jinliang Zhu, Haiyan Liu.  (2024)  Functionalization of reduced montmorillonite as an adsorbent toward aqueous anion: role of layer charge density.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2024.133475]
8. Xiongrui Jiang, Lingjie Zhang, Yanhui Miao, Licai Chen, Jiaoyan Liu, Tingting Zhang, Shuai Cheng, Yuhan Song, Yunliang Zhao.  (2025)  Intrinsic roles of nanosheet characteristics in two-dimensional montmorillonite membranes for efficient Li+/Mg2+ separation.  WATER RESEARCH,      [PMID:39955792] [10.1016/j.watres.2025.123291]
Solution Calculators
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