Simeticone

from source

C6H18O4Si3 · 238.46 g/mol

Mylanta Gas Relief · Mylicon Infant's Drops · Sentry Simethicone · Simethicon - USP CRS

What is Simeticone?

The anti-gas ingredient in Gas-X and Infacol, a silicone oil mixed with silica that breaks up foam bubbles in the gut. Food makers use it to stop foaming. from source

CategoryOTC medicine

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Fig. 1 · 2D structure RDKit

SMILESCO[Si](C)(C)O[Si](C)(C)C.O=[Si]=O

Where you'll find it

Sold over the counter, without a prescription. See the rest of the otc medicine group.

Toxicity & hazards

DangerFlammableIrritantH225, H319, H335, H336from source

Sources & methodology

PubChem CID: 6433516
Wikidata: Q419415
Structure: PubChem → RDKit
Data refreshed: October 19, 2026

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