Product Composition & Structure

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Pharmaceutical Products incl. Contraceptives and Vaccines › Drugs affecting the gastrointestinal system › Antacids and antiflatulents › Simethicone

Simethicone

Product ID: 135492

2 materials 2 total parts

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Polydimethylsiloxane 90% Sourceable products Dimethicone 73% Silicones 65% Silicone gel 57% Fluorosilicone FVMQ 56% Glycerin/silicone oil/triethanolamine 55% Used In
Silicon dioxide 10% Sourceable products Silica 71% Silicon Si 66% Diatomaceous silica 61% Silica sand 59% Silica gel 58% Used In

Formulation 1 option — component shares are % of the finished formulation

Standard Simethicone USP primary base: Polydimethylsiloxane Polydimethylsiloxane (PDMS) with silica

Component	Role	Share	Sourceable matches
Polydimethylsiloxane (PDMS)	Base polymer, antifoam agent	92٫5% (90–95)	Dimethicone 73% Silicones 65% Silicone gel 57% Used In
Silica (fumed or precipitated)	Thickener, stabilizer, enhances antifoam activity	6% (4–8)	Silica 92% Sand 71% Minerals 68% Used In
Water	Residual moisture, process aid	1٫25% (0٫5–2)	Water 80% Service water 53% Town water 52% Used In
Methyltrimethoxysilane (trace)	Processing aid, crosslinker residue	0٫25% (0٫1–0٫5)	Methionine methyl ester 56% Di methyl disulphiide 55% Plant based liquid fuels or biofuels 51% Used In