Description

Silanediol, [3-(Dimethylamino)Propyl]- (9Ci) is a functional organosilicon compound featuring both silanediol and tertiary amino groups. This unique bifunctional structure makes it a valuable intermediate for introducing silicon-based functionality and basic amine sites into polymers and surfaces. It is primarily utilized by R&D chemists and process engineers in the advanced materials and specialty chemical sectors. The compound is particularly relevant for applications requiring surface modification, adhesion promotion, and the synthesis of hybrid organic-inorganic materials.

Application

• Surface Modification Agent: Used to functionalize silica, glass, and metal oxide surfaces, imparting a basic amine layer for subsequent reactions or improved compatibility with polymer matrices.
• Adhesion Promoter: Acts as a coupling agent in coatings, sealants, and adhesive formulations to enhance bonding between inorganic substrates and organic polymers.
• Polymer Synthesis Intermediate: Serves as a monomer or chain-transfer agent in the synthesis of specialty silicones and hybrid polymers with tailored properties.
• Catalyst Support Precursor: Employed to prepare functionalized silica supports for heterogeneous catalysts, leveraging the amine group for metal ion chelation or immobilization.
• Pharmaceutical & Agrochemical Intermediates: Used in the research and development of active ingredients and delivery systems that incorporate silicon.
• Crosslinking Agent: Functions as a reactive site in the formation of crosslinked networks for resins and elastomers.

Basic Information

Product Name	Silanediol, [3-(Dimethylamino)Propyl]- (9Ci)
CAS No.	290823-88-0
Molecular Formula	C5H15NO2Si
Molecular Weight	149.27 g/mol
Synonyms	3-(Dimethylamino)propylsilanediol; N,N-Dimethyl-3-(dihydroxysilyl)-1-propanamine; [3-(Dimethylamino)propyl]dihydroxysilane; (3-Dimethylaminopropyl)silanediol; Amino-functional silanediol; DMAPS diol; γ-(Dimethylaminopropyl)silanediol
EINECS	Contact for details

Quality Control

Our Silanediol, [3-(Dimethylamino)Propyl]- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including NMR, FT-IR, and chromatographic methods, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with every shipment. We adhere to cGMP principles where applicable to support our customers in regulated research and development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (by NMR)	≥ 95.0%
Purity (HPLC)	≥ 90.0%
Water Content (KF)	≤ 1.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.