Dimethylpolysiloxane

Catalog	ACM9016006
CAS	9016-00-6
Structure
Description	Dimethylpolysiloxane is a colorless odorless liquid, Floats on water. (USCG, 1999);COLOURLESS OILY LIQUID.
Synonyms	Polydimethylsiloxane
IUPAC Name	dimethyl(oxo)silane
Molecular Weight	~770
Molecular Formula	C2H6OSi
Canonical SMILES	C[Si](=O)C
InChI	1S/C2H6OSi/c1-4(2)3/h1-2H3
InChI Key	SEUDSDUUJXTXSV-UHFFFAOYSA-N
Boiling Point	greater than 300 °F at 760 mm Hg (USCG, 1999)
Melting Point	-50 °C
Flash Point	275 to 635 °F (USCG, 1999);>110 °C
Density	0.98 at 68 °F (USCG, 1999);Relative density (water = 1): 0.91-1.0
Solubility	Solubility in water: none
Appearance	liquid
Application	Dimethylpolysiloxane is a versatile, colorless liquid known for its excellent chemical properties and widespread industrial applications. Its primary purpose lies in its role as an antifoaming agent, widely used in various industries to prevent foaming and spattering during processes such as heating oils, and the manufacture of wine, refined sugar, gelatin, and chewing gum. It can be produced in different forms, such as gels, resins, fluids, or elastomers, depending on its cross-linking characteristics. Notably low in toxicity based on animal studies, dimethylpolysiloxane is also a prevalent silicone in medical contexts, being a key component in many prostheses like breast implants. Additionally, in its mixture form as simethicone-combined with silica gel-it serves to alleviate bloating by decreasing gas bubble surface tension in the gastrointestinal tract, effectively used in antacids and remedies for infant colic.
Packaging	500 g in poly bottle 1 kg in poly bottle
Viscosity	5 cSt(25 °C)(lit.)

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