moleculefinder

Silicon dioxide

O2Si60.084 g/mol Calculated

Also called Acticel, Carplex, Diatomaceous silica and Dioxosilane.

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.

Sources and notes
  • The introductionfrom sourceMoleculeFinder curated
  • Other namesfrom sourcePubChem / Wikidata
  • Formula and weightcomputedPubChem
  • 2D drawingcomputedPubChem structure, drawn by RDKit
  • 3D modelfrom sourcePubChem 3D conformerLoaded after the page has painted, and on a phone only when you ask for it; the 2D drawing shows until it arrives.

Where you encounter it

A pure element or an engineered material, rather than an ingredient in a product. Silicon dioxide on our curated lists, and on the product labels we hold.

Foods

Processed snacksAdded by the maker

Medicines

AdderallAdded by the makerInactive ingredient
AdvilAdded by the makerInactive ingredient
Advil Dual ActionAdded by the makerInactive ingredient
Adzenys XR-ODTAdded by the makerInactive ingredient
Allegra AllergyAdded by the makerInactive ingredient
Allegra Hives 24HRAdded by the makerInactive ingredient
AriceptAdded by the makerInactive ingredient
AspercremeAdded by the makerInactive ingredient
AugmentinAdded by the makerInactive ingredient
BonineAdded by the makerInactive ingredient
BystolicAdded by the makerInactive ingredient
CardizemAdded by the makerInactive ingredient
55 more
Children's MotrinAdded by the makerInactive ingredient
CiproAdded by the makerInactive ingredient
Claritin-D 24 HourAdded by the makerInactive ingredient
ClozarilAdded by the makerInactive ingredient
CoregAdded by the makerInactive ingredient
DepakoteAdded by the makerInactive ingredient
DexilantAdded by the makerInactive ingredient
DiflucanAdded by the makerInactive ingredient
DiovanAdded by the makerInactive ingredient
DramamineAdded by the makerInactive ingredient
EcotrinAdded by the makerInactive ingredient
Emetrol ChewablesAdded by the makerInactive ingredient
EntrestoAdded by the makerInactive ingredient
EpsolayAdded by the makerInactive ingredient
FarxigaAdded by the makerInactive ingredient
FemaraAdded by the makerInactive ingredient
GleevecAdded by the makerInactive ingredient
Icy HotAdded by the makerInactive ingredient
KeppraAdded by the makerInactive ingredient
LasixAdded by the makerInactive ingredient
LexaproAdded by the makerInactive ingredient
LopressorAdded by the makerInactive ingredient
LunestaAdded by the makerInactive ingredient
LyricaAdded by the makerInactive ingredient
MifeprexAdded by the makerInactive ingredient
MonodoxAdded by the makerInactive ingredient
MyrbetriqAdded by the makerInactive ingredient
NorvirAdded by the makerInactive ingredient
PaxlovidAdded by the makerInactive ingredient
PercocetAdded by the makerInactive ingredient
Plan B One-StepAdded by the makerInactive ingredient
PrevacidAdded by the makerInactive ingredient
QuviviqAdded by the makerInactive ingredient
ReglanAdded by the makerInactive ingredient
RemeronAdded by the makerInactive ingredient
RisperdalAdded by the makerInactive ingredient
Rolaids Advanced Soft ChewsAdded by the makerInactive ingredient
SominexAdded by the makerInactive ingredient
Sudafed PE Head Congestion plus PainAdded by the makerInactive ingredient
Sudafed Sinus CongestionAdded by the makerInactive ingredient
TegretolAdded by the makerInactive ingredient
TrileptalAdded by the makerInactive ingredient
UnithroidAdded by the makerInactive ingredient
ValtrexAdded by the makerInactive ingredient
VazaloreAdded by the makerInactive ingredient
Vicks Sinex Severe Pain, Mucus and ChestAdded by the makerInactive ingredient
ViibrydAdded by the makerInactive ingredient
VyvanseAdded by the makerInactive ingredient
XanaxAdded by the makerInactive ingredient
XifaxanAdded by the makerInactive ingredient
Xyzal Allergy 24HrAdded by the makerInactive ingredient
ZanaflexAdded by the makerInactive ingredient
ZicamAdded by the makerInactive ingredient
Zyrtec AllergyAdded by the makerInactive ingredient
Zyrtec-DAdded by the makerInactive ingredient

Personal care

ToothpasteAdded by the maker
Aveeno Protect + Hydrate SPF 60Added by the makerInactive ingredient
Colgate Optic White RenewalAdded by the makerInactive ingredient
DegreeAdded by the makerInactive ingredient
Neutrogena Sheer Zinc Face SPF 50Added by the makerInactive ingredient
Neutrogena Ultra Sheer SPF 55Added by the makerInactive ingredient
Supergoop Unseen Sunscreen SPF 50Added by the makerInactive ingredient

Every product and list we hold

Sources and notes
  • Our curated lists and their amountsfrom sourceMoleculeFinder curatedEach amount is an editorial figure from our food and drink lists, not a measurement of any one product.
  • The product labels and their strengthsfrom sourceDailyMed (FDA label)Each label lists the molecule as an ingredient, and an active ingredient at the strength shown.
  • How it gets therefrom sourceMoleculeFinder curatedEach mark is set by hand on our lists, never inferred; a label's ingredient is added by the maker. A row with no mark data says Not marked.
  • The line abovefrom sourceMoleculeFinder curatedFrom the group the molecule belongs to.

Properties and sources

Calculated by PubChem

Molecular formula
O2Si
Molecular weight
60.084 g/mol
Polar surface areatopological
34.1 Ų
H-bond donors
0
H-bond acceptors
2
Rotatable bonds
0
Complexity
18

Measured LD50, HSDB via PubChem

22,500 mg/kg pure silicon dioxide, rat, oral

An LD50 is an animal study measurement, not a dose for a person.

Reported Hazard label (GHS), ECHA, Safe Work Australia via PubChem

Danger Irritant pictogram (GHS07) and Health hazard pictogram (GHS08); hazard statements H315, H319, H335, H350, H372, H373

Groups it belongs to

Category
Element & material
Family
Hard mineral solids
Food and drink lists
Processed snacks
Product lists
Toothpaste
Hazard classes
Irritant, Health hazard, GHS Danger
Size
Under 100 g/mol
SMILESO=[Si]=O

PubChem CID 24261 · Wikidata Q2122463 · InChIKey VYPSYNLAJGMNEJ-UHFFFAOYSA-N · Data refreshed

How MoleculeFinder sources and labels its data

Questions
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.
Where is Silicon dioxide found?
Silicon dioxide is found in processed snacks. It is also in these product groups: toothpaste. from sourcefrom source
How toxic is Silicon dioxide?
The reported LD50 of Silicon dioxide is 22,500 mg/kg (rat, oral). An LD50 is an animal study measurement, not a dose for a person. Its GHS hazard label carries the signal word Danger and the hazard pictograms Irritant and Health hazard. from sourcefrom source
What kind of molecule is Silicon dioxide?
Silicon dioxide has the formula O2Si and a molecular weight of 60.084 g/mol. MoleculeFinder files it under hard mineral solids, in the element & material group. from sourcefrom sourcefrom sourcefrom source
Sources and notes
  • Calculated valuescomputedPubChemComputed from the structure, so no laboratory conditions apply; complexity is PubChem's own structural score.
  • LD50from sourceHSDB via PubChemOther values the sources report: mouse, oral, 15,000 mg/kg; rat, intravenous, 500 mg/kg. The page shows the one LD50 the site uses everywhere.
  • Hazard labelfrom sourceECHA, Safe Work Australia via PubChemThe label combines these classifications.
  • ECHAfrom sourceAttributionSource: European Chemicals Agency, echa.europa.eu.
  • Safe Work Australiafrom sourceAttributionSource: Safe Work Australia, Hazardous Chemical Information System, © Commonwealth of Australia, CC BY 4.0.
  • Data refreshedfrom sourceMoleculeFinder2026-11-09