Trimethoxypropylsilane

Trimethoxypropylsilane Basic information
Description Abstract Applications Uses
Product Name:Trimethoxypropylsilane
Synonyms:n-Propyltrimethoxysilane(Trimethoxypropylsilane);CP0810;Dynasylan PTMO;Trimethoxy(propyl)silane,Propyltrimethoxysilane;TriMethoxy(propyl)sila;trimethoxypropyl-silan;n-Propyltrimethoxysilane, 98+%;TRIMETHOXY(PROPYL)SILANE
CAS:1067-25-0
MF:C6H16O3Si
MW:164.27
EINECS:213-926-7
Product Categories:Chemical Synthesis;Organometallic Reagents;Organosilicon;SILANE;Alkyl;Organics;Functional Materials;Si (Classes of Silicon Compounds);Silane Coupling Agents;Silane Coupling Agents (Intermediates);Si-O Compounds;Trialkoxysilanes;Alkoxy Silanes;Crosslinkers;Crosslinking Agents
Mol File:1067-25-0.mol
Trimethoxypropylsilane Structure
Trimethoxypropylsilane Chemical Properties
Boiling point 142 °C(lit.)
density 0.932 g/mL at 25 °C(lit.)
vapor pressure 0.15 psi ( 20 °C)
refractive index n20/D 1.391(lit.)
Fp 97 °F
form clear liquid
color Colorless to Almost colorless
Specific Gravity0.932
Water Solubility Reacts with water.
Hydrolytic Sensitivity7: reacts slowly with moisture/water
Sensitive Moisture Sensitive
BRN 2070458
Stability:Stable, but reacts with moisture. Flammable. Incompatible with strong oxidizing agents, acids, alcohols, bases, water.
InChIKeyHQYALQRYBUJWDH-UHFFFAOYSA-N
CAS DataBase Reference1067-25-0(CAS DataBase Reference)
NIST Chemistry ReferenceSilane, trimethoxypropyl-(1067-25-0)
EPA Substance Registry SystemTrimethoxypropylsilane (1067-25-0)
Safety Information
Hazard Codes Xi
Risk Statements 10-36/37/38-36
Safety Statements 26-36
RIDADR UN 1993 3/PG 3
WGK Germany 1
10-21
TSCA Yes
HazardClass 3
PackingGroup III
HS Code 29319090
MSDS Information
ProviderLanguage
n-Propyltrimethoxysilane English
SigmaAldrich English
ALFA English
Trimethoxypropylsilane Usage And Synthesis
DescriptionPropyltrimethoxysilane, also called Trimethoxypropylsilane, is an alkylalkoxysilane. It is a colorless, low viscosity liquid. It has an n-propyl organic group and a trimethoxysilyl inorganic group. It provides a hydrophobic surface treatment.
Its general applications include:
  • An important material in sol-gel production;
  • Provides a hydrophobic surface treatment for inorganic powders or filler materials;
  • One of the catalyst components for polyolefin production with Ziegler-Natta catalysts;
  • Reacts faster with water than SiSiB® PC5932. Customer may regulate the rate of hydrolysis according to actual application.

ApplicationsTrimethoxypropylsilane is used as a neutral curing agent in silicone sealant formulations. Generally, this silane is used for crosslinking α,ω-silanol polydimethylsiloxanes in the presence of atmospheric moisture. It is often the main crosslinker of choice for oxime silicone sealants and can be used by itself or in combination with other oxime silanes to provide the sealant with targeted properties (such as desired cure rate, adhesion etc).
AbstractPropyltrimethoxysilane(Trimethoxy(propyl)silane) is an important raw material for processing sol gels. It adds moderate organic properties to the silicone mesh, just like the propyl group in the product. In addition, it contains propyl groups, which increase the organic properties of the product.
UsesTrimethoxypropylsilane is an alkylalkoxysilane. It is a colorless, low viscosity liquid. It has an n-propyl organic group and a trimethoxysilyl inorganic group. It provides a hydrophobic surface treatment. It is an important material in sol-gel production that can provide a hydrophobic surface treatment for inorganic powders or filler materials. Moreover, Propyltrimethoxysilane is one of the catalyst components for polyolefin production with Ziegler-Natta catalysts.
Chemical PropertiesColorless or yellowish clearliquid
UsesIt finds its application as an important material in sol-gel production, provides a hydrophobic surface treatment for inorganic powders or filter materials and it is one of the catalyst component for polyolefin production with Ziegler-Natta catalyst.
Flammability and ExplosibilityFlammable
Trimethoxypropylsilane Preparation Products And Raw materials
Raw materialsTrimethoxysilane-->Oxirane, 2,2'-[(2-methylene-1,3-propanediyl)bis(oxymethylene)]bis- (9CI)-->Methanol
Preparation ProductsGD visible light curing composite resin
(Trifluoromethyl)trimethylsilane TRIACONTYLDIMETHYLCHLOROSILANE Trimethoxyoctylsilane N-(3-(Trimethoxysilyl)propyl)butylamine (N,N-Diethyl-3-aminopropyl)trimethoxysilane Potassium trimethylsilanolate Triethoxyoctylsilane 3-Mercaptopropylmethyldimethoxysilane Dodecyltrimethoxysilane N-OCTADECYLTRIETHOXYSILANE 2-CYANOETHYLTRIMETHOXYSILANE Trimethoxypropylsilane N-Methylaminopropyltrimethoxysilane Trimethoxy[2-(7-oxabicyclo[4.1.0]hept-3-yl)ethyl]silane 1-[3-(Trimethoxysilyl)propyl]urea N-HEXYLTRIMETHOXYSILANE 3-Chloropropyltriethoxysilane PENTYLTRIETHOXYSILANE

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