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Merck
CN

435708

Sigma-Aldrich

Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride

72%

Synonym(s):

AEM Q9-6346, DMOAP

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About This Item

Linear Formula:
[(CH3O)3Si(CH2)3N(CH3)2(CH2)17CH3]Cl
CAS Number:
27668-52-6
Molecular Weight:
496.28
Beilstein:
4897339
MDL number:
MFCD00054224
UNSPSC Code:
12352103
PubChem Substance ID:
24867252

Key Documents

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Assay

72%

impurities

13 wt. % methyl alcohol
15 wt. % (3-chloropropyl)trimethoxysilane

density

0.89 g/mL at 20 °C (lit.)

SMILES string

[Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CCC[Si](OC)(OC)OC

InChI

1S/C26H58NO3Si.ClH/c1-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-24-27(2,3)25-23-26-31(28-4,29-5)30-6;/h7-26H2,1-6H3;1H/q+1;/p-1

InChI key

WSFMFXQNYPNYGG-UHFFFAOYSA-M

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Legal Information

Product of Aegis Environmental Management

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2 - Flam. Liq. 3 - Skin Corr. 1B - STOT SE 1

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

93.0 °F - closed cup

Flash Point(C)

33.9 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SHBC2464V
SHBB5374
SHBB0950
27496LM
39596EM

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W H Siddiqui et al.
Fundamental and applied toxicology : official journal of the Society of Toxicology, 21(1), 66-70 (1993-07-01)
The developmental toxicity of an antimicrobial organosilicon quaternary ammonium chloride (Quaternary Silsesquioxane) was evaluated in rats. Groups of 25 pregnant CD rats were administered 100, 300, or 1000 mg/kg/day of test material by gavage as a single daily dose on
Hiroki Nikawa et al.
Dental materials journal, 24(4), 570-582 (2006-02-01)
The aim of our study was twofold: to immobilize an organosilicon quaternary ammonium salt (3-(trimethoxysilyl)-propyldimethyl-octadecyl ammonium chloride, Si-QAC) on the surface of pure titanium and to investigate the antimicrobial activity of Si-QAC-immobilized titanium against microbial adherence and biofilm formation. The
Haifa Jeridi et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(48), 14771-14776 (2015-11-11)
Directed and true self-assembly mechanisms in nematic liquid crystal colloids rely on specific interactions between microparticles and the topological defects of the matrix. Most ordered structures formed in thin nematic cells are thus based on elastic multipoles consisting of a
Hernán E Romeo et al.
Journal of materials science. Materials in medicine, 22(4), 935-943 (2011-03-23)
Different kinds of polymers have been employed in medicine as biomaterials for different purposes. In recent years, considerable attention has been focused on the development of new drug-delivery systems in order to increase bio-availability, sustain, localize and target drug action
D Bianchini et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 71(1), 45-52 (2008-01-29)
Thermal decomposition studies of the free polyhedral oligomeric silsesquioxane, POSSh, and when this compound has been impregnated with Cp2ZrCl2 (Cp = eta5-C5H5) or immobilized on SiO2 were conducted using infrared emission spectroscopy (IES) over a 100-1000 degrees C temperature range
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