hexadecyltrimethylammonium toluene-p-sulphonate - ≥98% , CAS No.138-32-9

CAS: 138-32-9 Cat. No.: H132767 Molecular Weight: 455.74 Beilstein Registry Number: 5470332 EC Number: 205-324-8
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
N,N,N-Trimethylhexadecan-1-aminium 4-methylbenzenesulfonate | cetats | CETYLTRIMETHYLAMMONIUM 4-TOLUENESULFONATE | DTXSID90190141 | TRIMETHYLCETYLAMMONIUM-P-TOLUOLSULFONAT | CETYLTRIMETHYLAMMONIUM P-TOLUENESULFONATE [WHO-DD] | EINECS 205-324-8 | CETYLTRIM
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
H132767-5g
3

$9.90

$14.90
Save $5.00 (33.56%)
25g
H132767-25g
3

$32.90

$49.90
Save $17.00 (34.07%)
50g
H132767-50g
2

$59.90

$89.90
Save $30.00 (33.37%)
250g
H132767-250g
1

$222.90

$334.90
Save $112.00 (33.44%)
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Why this grade

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

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Storage & shipping

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 6 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Hexadecyltrimethylammonium p-toluenesulfonate is a catatonic surfactant capable of forming wormlike micelles.
Hexadecyltrimethylammonium p-toluenesulfonate has been used in a study to develop a silica grafted polydentate copper (II) complex.It has also been used in a study to investigate the dispersibility and bundle defoliation of single-walled carbon nanotubes.

Specifications

Synonyms
N, N, N-Trimethylhexadecan-1-aminium 4-methylbenzenesulfonate | cetats | CETYLTRIMETHYLAMMONIUM 4-TOLUENESULFONATE | DTXSID90190141 | TRIMETHYLCETYLAMMONIUM-P-TOLUOLSULFONAT | CETYLTRIMETHYLAMMONIUM P-TOLUENESULFONATE [WHO-DD] | EINECS 205-324-8 | CETYLTRIM
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Canonical SmilesCCCCCCCCCCCCCCCC[N+](C)(C)C.CC1=CC=C(C=C1)S(=O)(=O)[O-]
IUPAC Namehexadecyl(trimethyl)azanium;4-methylbenzenesulfonate
InChIKeyMZMRZONIDDFOGF-UHFFFAOYSA-M
INCHI1S/C19H42N.C7H8O3S/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(2,3)4;1-6-2-4-7(5-3-6)11(8,9)10/h5-19H2,1-4H3;2-5H,1H3,(H,8,9,10)/q+1;/p-1
Isomeric SMILES CCCCCCCCCCCCCCCC[N+](C)(C)C.CC1=CC=C(C=C1)S(=O)(=O)[O-]
WGK Germany 3
Molecular Weight 455.74
Beilstein 5470332
Reaxy-Rn 5470332
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=5470332&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.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzenesulfonic acids and derivatives
Intermediate Tree Nodes Not available
Direct Parentp-Methylbenzenesulfonates
Alternative Parents Tosyl compounds  Benzenesulfonyl compounds  1-sulfo,2-unsubstituted aromatic compounds  Tetraalkylammonium salts  Sulfonyls  Organosulfonic acids  Organic oxides  Hydrocarbon derivatives  Amines  Organic cations  
Molecular FrameworkNot available
Substituents P-methylbenzenesulfonate - Tosyl compound - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Benzenesulfonyl group - Toluene - Quaternary ammonium salt - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Tetraalkylammonium salt - Organonitrogen compound - Organic nitrogen compound - Organosulfur compound - Organic oxygen compound - Organic oxide - Amine - Hydrocarbon derivative - Organic cation - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as p-methylbenzenesulfonates. These are benzenesulfonic acids (or derivative thereof) carrying a methyl group at the para- position.
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.

25 results found

Lot NumberCertificate TypeDateItem
F2605039Certificate of AnalysisJun 22, 2026 H132767
F2602060Certificate of AnalysisJun 10, 2026 H132767
K2228225Certificate of AnalysisJun 09, 2026 H132767
K2228216Certificate of AnalysisJun 09, 2026 H132767
K2228215Certificate of AnalysisJun 09, 2026 H132767
A2416056Certificate of AnalysisOct 13, 2025 H132767
F2524563Certificate of AnalysisJun 12, 2025 H132767
D2602042Certificate of AnalysisJun 12, 2025 H132767
F2524562Certificate of AnalysisJun 12, 2025 H132767
E2613094Certificate of AnalysisJun 12, 2025 H132767
F2524560Certificate of AnalysisJun 12, 2025 H132767
F2524561Certificate of AnalysisJun 12, 2025 H132767
A2510107Certificate of AnalysisJan 18, 2025 H132767
E2512531Certificate of AnalysisJan 18, 2025 H132767
B2315136Certificate of AnalysisNov 07, 2024 H132767
J2411107Certificate of AnalysisSep 12, 2024 H132767
L2424175Certificate of AnalysisSep 12, 2024 H132767
C2219590Certificate of AnalysisJan 05, 2024 H132767
C2219586Certificate of AnalysisJan 05, 2024 H132767
K2102149Certificate of AnalysisAug 04, 2023 H132767
J2323044Certificate of AnalysisJul 27, 2022 H132767
K2228218Certificate of AnalysisJul 27, 2022 H132767
C2219552Certificate of AnalysisFeb 23, 2022 H132767
C2219551Certificate of AnalysisFeb 23, 2022 H132767
D2021087Certificate of AnalysisFeb 16, 2022 H132767

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Chemical and Physical Properties
SensitivityHygroscopic
Melt Point(°C)245-250°C
Molecular Weight455.700 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count15
Exact Mass455.343 Da
Monoisotopic Mass455.343 Da
Topological Polar Surface Area65.600 Ų
Heavy Atom Count31
Formal Charge0
Complexity374.000
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. Qin-ying Li, Xu Yu, Xi Li, Li-na Bao, Yu Zhang, Min-Jie Xie, Ming Jiang, Ya Qian Wang, Kun Huang, Li Xu.  (2023)  Silicon–Carbon Dots-Loaded Mesoporous Silica Nanocomposites (mSiO2@SiCDs): An Efficient Dual Inhibitor of Cu2+-Mediated Oxidative Stress and Aβ Aggregation for Alzheimer’s Disease.  ACS Applied Materials & Interfaces,      [PMID:37962427] [10.1021/acsami.3c10053]
2. Xuan Zhang, Hui-Min Cui, Yu Gao, Zhi-Wei Yan, Xi Yan, Yan Chen, Xiao-Jing Guo, Wan-Zhong Lang.  (2023)  Surfactant-induced intervention in interfacial polymerization to develop highly-selective thin-film composite membrane for forward osmosis process.  DESALINATION,      [PMID:] [10.1016/j.desal.2023.116617]
3. Qiangtao Zhu, Dongyu Pan, Yangyi Sun, Dongming Qi.  (2022)  Controllable Microemulsion Synthesis of Hybrid TiO2–SiO2 Hollow Spheres and Au-Doped Hollow Spheres with Enhanced Photocatalytic Activity.  LANGMUIR,      [PMID:35290732] [10.1021/acs.langmuir.1c03484]
4. Fangman Chen, Fangnan Xiao, Weibing Zhang, Chentao Lin, Yunkun Wu.  (2018)  Highly Stable and NIR Luminescent Ru–LPMSN Hybrid Materials for Sensitive Detection of Cu2+ in Vivo.  ACS Applied Materials & Interfaces,      [PMID:30035532] [10.1021/acsami.8b08887]
5. Lei Li, Yulin Xie, Junrong Wang, Qianqian Sun, Minghong Gao, Chunxia Li.  (2024)  Biofilm microenvironment-activated multimodal therapy nanoplatform for effective anti-bacterial treatment and wound healing.  Acta Biomaterialia,      [PMID:38849021] [10.1016/j.actbio.2024.06.002]
6. Yan Wang, Jiaqi Lu, Menghui Wan, Yanbao Zhao.  (2024)  Fabrication of acorn-shaped Janus C-SiO2 carrier and their application in DOX release.  JOURNAL OF DRUG DELIVERY SCIENCE AND TECHNOLOGY,      [PMID:] [10.1016/j.jddst.2024.106137]
Solution Calculators
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