Product Description
Potassium methylsilanetriol is a silicone-based chemical used in surface treatment and water-repellent applications. It is typically supplied as a clear, colorless aqueous solution with a solids content of 40% or higher, a density of approximately 1.3 g/cm³, and strong alkalinity. It is miscible with water and suitable for use in various aqueous treatment formulations.
Product Parameters
| English Name | potassium methylsilanetriolate |
| English Synonyms | potassium methylsiliconate solution;potassium methylsiliconate,40% in water;potassium methylsilanetriola te;Silanetriol, methyl-, potassium salt;methyl-silanetrio potassium salt;Methylsilanetriol, potassium salt;Met hylsilanetriol/potassium,(1:x) salt;Penta 811 |
| CAS Number | 31795-24-1 |
| Molecular Formula | CH3K3O3Si |
| Molecular Weight | 208.41312 |
| EINECS Number | 250-807-9 |
| Boiling point | 112℃[at 101 325 Pa] |
| density | 1.388[at 20℃] |
| Specific Gravity | 1.29 |
| Hydrolytic Sensitivity | 0: forms stable aqueous solutions |
| LogP | 0.780 (est) |
| EPA Substance Registry System | Silanetriol, methyl-, potassium salt (31795-24-1) |
Application Scenarios
Potassium methylsilanetriol is primarily used as a surface treatment agent and functional additive to improve the water repellency and durability of compatible materials. Its key applications include:
Building Material Waterproofing: Used as a penetrating water-repellent treatment for porous mineral substrates, including concrete, masonry, and gypsum-based materials, helping reduce water absorption and moisture penetration.
Surface Modification: Applied to suitable substrates to improve hydrophobicity and support enhanced surface protection and durability.
Water-Based Coatings: Used as a functional additive in selected water-based coating formulations to improve water repellency and moisture resistance.
Wood Protection: Applied in wood treatment formulations to help reduce moisture uptake and improve resistance to moisture-related deterioration.
Cultural Heritage Conservation: May be used in selected conservation treatments to provide water-repellent properties to compatible materials, subject to substrate compatibility and conservation requirements.
Chemical Synthesis: May serve as a reagent or functional component in specific chemical processes, depending on the formulation and reaction system.
Its performance depends on substrate porosity, application concentration, treatment conditions, and compatibility with other formulation components
