70131-67-8

Basic information

• Product Name: SILANOL TERMINATED POLYDIMETHYLSILOXANE
• Synonyms: SILICON PS 347.5;SILANOL TERMINATED POLYDIMETHYLSILOXANE;SILANOL TERMINATED POLYDIMETHYLSILOXANE,18000CS;SILANOL TERMINATED POLYDIMETHYLSILOXANES;PS 347.5;POLYDIMETHYLSILOXANE, DIHYDROXY TERMINATED;POLYDIMETHYLSILOXANE, SILANOL TERMINATED;baysilonc0.7
• CAS NO: 70131-67-8
• Molecular Formula: HOSi
• Molecular Weight: 45.09284
• EINECS: 615-070-3
• Product Categories: PDMS Elastomers/ResinsPolymer Science;Polysiloxanes;Self Assembly&Contact Printing;Silicones;Stamps for Nanoprint Lithography&Microcontact Printing;Polymer Science
• Mol File: 70131-67-8.mol
• Article Data: 0

Chemical Properties

• Melting Point: <-60°C
• Boiling Point: 182 °C
• Flash Point: 155 °F
• Appearance: /Liquid
• Density: 0.98 g/mL at 25 °C
• Refractive Index: n20/D 1.406
• Storage Temp.: 2-8°C
• Water Solubility: Soluble in carbon tetrachloride, benzene, chloroform, diethyl ether, toluene and other organic solvents. Insoluble in water and
• CAS DataBase Reference: SILANOL TERMINATED POLYDIMETHYLSILOXANE(CAS DataBase Reference)
• NIST Chemistry Reference: SILANOL TERMINATED POLYDIMETHYLSILOXANE(70131-67-8)
• EPA Substance Registry System: SILANOL TERMINATED POLYDIMETHYLSILOXANE(70131-67-8)

Safety Data

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 23-24/25-36-26
• WGK Germany: 1
• RTECS: VW3157812
• TSCA: Yes
• Hazardous Substances Data: 70131-67-8(Hazardous Substances Data)

Usage

Description

SILANOL TERMINATED POLYDIMETHYLSILOXANE is a type of polydimethylsiloxane (PDMS) that is terminated with silanol groups. It is a versatile and widely used polymer with various applications across different industries due to its unique properties such as heat resistance, lubrication, and surfactant capabilities.

Uses

Used in Contact Lens Industry:
SILANOL TERMINATED POLYDIMETHYLSILOXANE is used as a material for contact lenses due to its biocompatibility, oxygen permeability, and lubricating properties, which provide comfort and ease of use for wearers.
Used in Medical Devices:
In the medical device industry, SILANOL TERMINATED POLYDIMETHYLSILOXANE is used as a component in various devices such as elastomers and tubing, offering flexibility, durability, and biocompatibility.
Used in Personal Care Products:
SILANOL TERMINATED POLYDIMETHYLSILOXANE is used as an ingredient in personal care products like shampoos, where it acts as a surfactant and provides a smooth texture and improved lathering.
Used in Food Industry:
In the food industry, SILANOL TERMINATED POLYDIMETHYLSILOXANE is used as an antifoaming agent to prevent the formation of foam during processing, ensuring a smooth and consistent product.
Used in Construction Industry:
In the construction industry, SILANOL TERMINATED POLYDIMETHYLSILOXANE is used in applications such as caulking and sealants, providing excellent adhesion, flexibility, and durability.
Used in Lubricants:
SILANOL TERMINATED POLYDIMETHYLSILOXANE is used as a lubricant in various applications, including mechanical components and industrial processes, due to its low friction coefficient and heat resistance.
Used in Kinetic Sand:
In the toy industry, SILANOL TERMINATED POLYDIMETHYLSILOXANE is used in kinetic sand, providing a unique texture and moldability that is both fun and safe for children to play with.
Used in Heat-Resistant Tiles:
SILANOL TERMINATED POLYDIMETHYLSILOXANE is used in the production of heat-resistant tiles, offering protection against high temperatures and ensuring the longevity of the tiles.
Used in Surfactants and Defoamers:
SILANOL TERMINATED POLYDIMETHYLSILOXANE is used as a common surfactant and component of defoamers in various industrial applications, helping to control foam and improve process efficiency.
Used in Herbicidal Penetrants:
In agriculture, SILANOL TERMINATED POLYDIMETHYLSILOXANE is used as a penetrant in herbicides, enhancing the effectiveness of the chemicals and ensuring better control of unwanted plant growth.