27668-52-6 IQ36O85WQ4 3-(Trimethoxysilyl)propyldimethyloctadecylammonium Dimethyloctadecyl(3-(trimethoxysilyl)propyl)ammonium chloride 1-Octadecanaminium, N,N-dimethyl-N-(3-(trimethoxysilyl)propyl)-, chloride 1-Octadecanaminium, N,N-dimethyl-N-(3-(trimethoxysilyl)propyl)-, chloride (1:1) Q9-5700 X9-5700 Caswell No. 892B EINECS 248-595-8 EPA Pesticide Chemical Code 107401 Octadecyldimethyl(3-(trimethoxysilyl)propyl)ammonium chloride 3-(Trimethoxysilyl)propyl dimethyl octadecyl ammonium chloride Dow Corning 5700 UNII-IQ36O85WQ4 Ammonium, dimethyloctadecyl(3-(trimethoxysilyl)propyl)-, chloride (3-(Trimethoxysilyl)propyl)octadecyldimethylammonium chloride 5700 Antimicrobial Agent A 9-6346 Aegis AEM 5700 AEM 5700 AEM 5700 Antimicrobial Agrishield AY 43-006 Biosafe MCX 117683 BioShield AM 500 BioShield AM 500I C 18NTMS CA 200 CA 200 (quaternary compd.) DA 5700 DC 5700 DK-Q 8-8905 DMAOP DMOAP Dow Corning 5701 Dow Corning 9-6346 Goldshield 5 LS 6985 MonoFoil MonoFoil Antimicrobial Liquid N-Octadecyldimethyl(3-(trimethoxysilyl)propyl)ammonium chloride Octadecyldimethyl(trimethoxysilyl)propylammonium chloride PC 5700 Polon MF 50 ProShield 5000D Q 9-5700 Q 9-6346 Quat-Silsesquioxane SIO 6620 SiQAC XS 70-241 XZ 2-2300 (3-(Trimethoxysilyl)propyl)dimethyloctadecylammonium chloride HSDB 8296 CAS 27668-52-6

Purity 97%+In StockPharmaceutical Standards
CAS No.27668-52-6
Molecular FormulaC26H58NO3Si
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

27668-52-6 IQ36O85WQ4 3-(Trimethoxysilyl)propyldimethyloctadecylammonium Dimethyloctadecyl(3-(trimethoxysilyl)propyl)ammonium chloride 1-Octadecanaminium, N,N-dimethyl-N-(3-(trimethoxysilyl)propyl)-, chloride 1-Octadecanaminium, N,N-dimethyl-N-(3-(trimethoxysilyl)propyl)-, chloride (1:1) Q9-5700 X9-5700 Caswell No. 892B EINECS 248-595-8 EPA Pesticide Chemical Code 107401 Octadecyldimethyl(3-(trimethoxysilyl)propyl)ammonium chloride 3-(Trimethoxysilyl)propyl dimethyl octadecyl ammonium chloride Dow Corning 5700 UNII-IQ36O85WQ4 Ammonium, dimethyloctadecyl(3-(trimethoxysilyl)propyl)-, chloride (3-(Trimethoxysilyl)propyl)octadecyldimethylammonium chloride 5700 Antimicrobial Agent A 9-6346 Aegis AEM 5700 AEM 5700 AEM 5700 Antimicrobial Agrishield AY 43-006 Biosafe MCX 117683 BioShield AM 500 BioShield AM 500I C 18NTMS CA 200 CA 200 (quaternary compd.) DA 5700 DC 5700 DK-Q 8-8905 DMAOP DMOAP Dow Corning 5701 Dow Corning 9-6346 Goldshield 5 LS 6985 MonoFoil MonoFoil Antimicrobial Liquid N-Octadecyldimethyl(3-(trimethoxysilyl)propyl)ammonium chloride Octadecyldimethyl(trimethoxysilyl)propylammonium chloride PC 5700 Polon MF 50 ProShield 5000D Q 9-5700 Q 9-6346 Quat-Silsesquioxane SIO 6620 SiQAC XS 70-241 XZ 2-2300 (3-(Trimethoxysilyl)propyl)dimethyloctadecylammonium chloride HSDB 8296 CAS 27668-52-6 chemical structure

Description

CATO supplies 27668-52-6 IQ36O85WQ4 3-(Trimethoxysilyl)propyldimethyloctadecylammonium Dimethyloctadecyl(3-(trimethoxysilyl)propyl)ammonium chloride 1-Octadecanaminium, N,N-dimethyl-N-(3-(trimethoxysilyl)propyl)-, chloride 1-Octadecanaminium, N,N-dimethyl-N-(3-(trimethoxysilyl)propyl)-, chloride (1:1) Q9-5700 X9-5700 Caswell No. 892B EINECS 248-595-8 EPA Pesticide Chemical Code 107401 Octadecyldimethyl(3-(trimethoxysilyl)propyl)ammonium chloride 3-(Trimethoxysilyl)propyl dimethyl octadecyl ammonium chloride Dow Corning 5700 UNII-IQ36O85WQ4 Ammonium, dimethyloctadecyl(3-(trimethoxysilyl)propyl)-, chloride (3-(Trimethoxysilyl)propyl)octadecyldimethylammonium chloride 5700 Antimicrobial Agent A 9-6346 Aegis AEM 5700 AEM 5700 AEM 5700 Antimicrobial Agrishield AY 43-006 Biosafe MCX 117683 BioShield AM 500 BioShield AM 500I C 18NTMS CA 200 CA 200 (quaternary compd.) DA 5700 DC 5700 DK-Q 8-8905 DMAOP DMOAP Dow Corning 5701 Dow Corning 9-6346 Goldshield 5 LS 6985 MonoFoil MonoFoil Antimicrobial Liquid N-Octadecyldimethyl(3-(trimethoxysilyl)propyl)ammonium chloride Octadecyldimethyl(trimethoxysilyl)propylammonium chloride PC 5700 Polon MF 50 ProShield 5000D Q 9-5700 Q 9-6346 Quat-Silsesquioxane SIO 6620 SiQAC XS 70-241 XZ 2-2300 (3-(Trimethoxysilyl)propyl)dimethyloctadecylammonium chloride HSDB 8296 (CAS 27668-52-6), a certified reference material (molecular formula C26H58NO3SiCl, MW 496.29 g/mol) for analytical method development and quality control.

Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, 27668-52-6 IQ36O85WQ4 3-(Trimethoxysilyl)propyldimethyloctadecylammonium Dimethyloctadecyl(3-(trimethoxysilyl)propyl)ammonium chloride 1-Octadecanaminium, N,N-dimethyl-N-(3-(trimethoxysilyl)propyl)-, chloride 1-Octadecanaminium, N,N-dimethyl-N-(3-(trimethoxysilyl)propyl)-, chloride (1:1) Q9-5700 X9-5700 Caswell No. 892B EINECS 248-595-8 EPA Pesticide Chemical Code 107401 Octadecyldimethyl(3-(trimethoxysilyl)propyl)ammonium chloride 3-(Trimethoxysilyl)propyl dimethyl octadecyl ammonium chloride Dow Corning 5700 UNII-IQ36O85WQ4 Ammonium, dimethyloctadecyl(3-(trimethoxysilyl)propyl)-, chloride (3-(Trimethoxysilyl)propyl)octadecyldimethylammonium chloride 5700 Antimicrobial Agent A 9-6346 Aegis AEM 5700 AEM 5700 AEM 5700 Antimicrobial Agrishield AY 43-006 Biosafe MCX 117683 BioShield AM 500 BioShield AM 500I C 18NTMS CA 200 CA 200 (quaternary compd.) DA 5700 DC 5700 DK-Q 8-8905 DMAOP DMOAP Dow Corning 5701 Dow Corning 9-6346 Goldshield 5 LS 6985 MonoFoil MonoFoil Antimicrobial Liquid N-Octadecyldimethyl(3-(trimethoxysilyl)propyl)ammonium chloride Octadecyldimethyl(trimethoxysilyl)propylammonium chloride PC 5700 Polon MF 50 ProShield 5000D Q 9-5700 Q 9-6346 Quat-Silsesquioxane SIO 6620 SiQAC XS 70-241 XZ 2-2300 (3-(Trimethoxysilyl)propyl)dimethyloctadecylammonium chloride HSDB 8296 is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 496.29 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC26H58NO3Si Cl
Molecular Weight496.29 g/mol
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityLight-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)-2.0
CAS Registry Year (est.)1964
Halogen ContentCl-containing
Nitrogen Atoms1

Recommended Standards

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