Sodium Methylsiliconate

General Information

Product Name: Sodium Methylsiliconate
Catalog: SUR-AN-013
CAS : 16589-43-8
Applications: Construction industry, coatings and paints, industrial additives, oil and gas sector, others

Introduction

Sodium methylsiliconate, also known as methyl silicate sodium, is derived from the reaction of methyltrimethoxysilane with sodium hydroxide, resulting in a compound that forms a durable, insoluble networked membrane upon exposure to carbon dioxide or acidic compounds in the air. It plays a pivotal role in various industrial applications due to its unique chemical properties.

Characteristics

Sodium methylsiliconate forms an insoluble, networked waterproof membrane when exposed to carbon dioxide or other acidic compounds in the environment. This feature makes it highly effective in both internal and surface applications, offering outstanding waterproofing, moisture resistance, and durability. It withstands extreme temperatures ranging from -50°C to 150°C, making it suitable for diverse environmental conditions.

Basic Parameters

Items	SUR-AN-013: I	SUR-AN-013: II	SUR-AN-013: III
Solid Content (%)	20±2	30±2	40±2
Silsesquioxane Content (%)	≥ 10	≥ 15	≥ 20
Appearance	Colorless to light yellow liquid
Density (25℃, g/cm³)	1.1-1.3
pH	13
Solubility	Miscible with water
Structural Formula	CH₃SiO₃Na₃

* Typical values (not warranted values)

Applications

The versatility of sodium methylsiliconate extends across multiple sectors:

Construction Industry: Used extensively for hydrophobic treatment of building materials like cement mortar and perlite, it enhances structural longevity by preventing moisture ingress and subsequent deterioration.
Coatings and Paints: Incorporated into water-based architectural coatings, it provides effective waterproofing, color retention, and resistance to pollutants and aging, thereby prolonging the lifespan of coated surfaces in architectural settings.
Industrial Additives: Acts as a vital additive in formulations such as latex paints and adhesives, imparting enhanced water retention properties and ensuring stable adhesive strength in various applications.
Oil and Gas Sector: In oil drilling operations, sodium methylsiliconate adjusts mud viscosity and density, mitigating the risk of well collapse and improving drilling efficiency. It is also utilized in secondary oil recovery techniques to prevent structural collapse in oil reservoirs, facilitating efficient oil extraction processes.

Packaging and Storage

Packaging Options: Typically packaged in 25L and 200L drums.
Storage Conditions: Stored in cool, dry conditions away from direct sunlight and sources of heat and free from exposure to acids or alkaline substances, which could compromise its chemical integrity.

Sodium methylsiliconate stands out as a versatile solution offering superior waterproofing, durability, and environmental resistance across diverse industrial and commercial applications. Contact Alfa Chemistry today to learn more about our products and how they can benefit your applications.

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