Polydimethylsiloxane, hydroxy terminated, M.W. 4200

Description

CAS: 70131-67-8 | HOSi | 45.09 g/mol

Polydimethylsiloxane is frequently used in a liquid containing 4-5% silica gel, emulsifiers and preservatives. It is employed in applications like contact lenses, medical devices, elastomers, in shampoos, food (antifoaming agent), caulking, lubricants, kinetic sand , and heat-resistant tiles. PDMS is a common surfactant, component of defoamers and as an herbicidal penetran.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 70131-67-8
• Molecular Formula: HOSi
• Molecular Weight (g/mol): 45.09
• MDL Number: MFCD01325012
• InChI Key: XQSFXFQDJCDXDT-UHFFFAOYSA-N
• Synonym: silanol, unii-079v3j9o3x, silanole, silanol terminated polydimethylsiloxane
• PubChem CID: 6327522
• IUPAC Name: hydroxysilicon
• SMILES: O[Si]

• Physical Form: Liquid
• Density: 0.97 g/mL
• Solubility Information: Soluble in carbon tetrachloride,benzene,chloroform,diethyl ether,toluene and other organic solvents. Insoluble in water and ethanol.
• Quantity: 50 mL
• Chemical Name or Material: Polydimethylsiloxane, hydroxy terminated, M.W. 4,200

Safety and Handling

TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only