Silicon dioxide

from source

O2Si · 60.084 g/mol

Acticel · Carplex · Diatomaceous silica · Dioxosilane

What is Silicon dioxide?

Silica: sand, quartz, glass, and the little desiccant packet in a shoebox. It is also the anti-caking agent that keeps powdered food pourable. Found in processed snacks. from source

CategoryElement & material

LeaderboardsBiggest Deadliest

Fig. 1 · 2D structure RDKit

SMILESO=[Si]=O

Where you'll find it

Processed snackswhat else is in it →Toothpastewhat else is in it →

Curated by MoleculeFinder from source

Relative acute toxicity from source

Animal study data · LD50

Reported LD50: 22,500 mg/kg · very low toxicity
Species: rat
Route: oral

An LD50 describes acute toxicity under experimental conditions and is not a safe or dangerous dose for a person.

Toxicity & hazards

Toxicity · LD50

22,500 mg/kg · very low toxicity · LD50 rat oral from source

2 more reported values

15,000 mg/kgLD50 · oral · mouse
500 mg/kgLD50 · iv · rat

DangerIrritantHealth hazardH315, H319, H320, H335, H341, H350, H372, H373from source

Sources & methodology

PubChem CID: 24261
Wikidata: Q2122463
Structure: PubChem → RDKit
LD50: PubChem
Everyday relationships: MoleculeFinder editorial curation
Data refreshed: September 13, 2026

How MoleculeFinder sources and labels its data