Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride

Synonym(s):Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride

CAS NO.：27668-52-6
Empirical Formula: C26H58ClNO3Si
Molecular Weight: 496.28
MDL number: MFCD00054224
EINECS: 248-595-8
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-08 10:32:36

Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride Structural

What is Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride?

Chemical properties

Clear to straw liquid with amine (ammonia-like) odor.

The Uses of Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride

DTSACl may be used for modification of silica.{61} It was used to functionalize Fe3O4/silica?core-shell nanoparticles. {62} DTSACl may be used as a precursor to form silica, 3 and MeMFI zeolite.{63} It acts as a mesopore-generating agent. {64}

General Description

Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride (DTSACl) is an organosilane which can be used as a silica precursor. It forms an oil soluble solution that can act as an emulsion stabilizer.

Flammability and Explosibility

Not classified

Properties of Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride

Boiling point:	22.3 °C
Density	0.89 g/mL at 20 °C(lit.)
vapor pressure	0Pa at 25℃
refractive index	n20/D 1.3889
Flash point:	93 °F
storage temp.	Flammables area
solubility	DMSO (Sparingly), Methanol (Sparingly)
form	Solution
color	Clear yellow
Specific Gravity	0.89
Water Solubility	reacts
Hydrolytic Sensitivity	7: reacts slowly with moisture/water
CAS DataBase Reference	27668-52-6(CAS DataBase Reference)
EPA Substance Registry System	3-(Trimethoxysilyl)propyl dimethyl octadecyl ammonium chloride (27668-52-6)

Safety information for Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Skull and Crossbones Acute Toxicity GHS06 Health Hazard GHS08
GHS Hazard Statements	H225:Flammable liquids H319:Serious eye damage/eye irritation H370:Specific target organ toxicity, single exposure
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.