moleculefinder

Carbon

C12.011 g/mol Calculated

The element that bonds to itself endlessly, which is the whole reason organic chemistry, and life, exist. Diamond and graphite are the same atom, packed differently. Element 6.

Sources and notes
  • The introductionfrom sourceMoleculeFinder curated
  • Formula and weightcomputedPubChem
  • 2D drawingcomputedPubChem structure, drawn by RDKit

Where you encounter it

A pure element or an engineered material, rather than an ingredient in a product. Carbon on our curated lists.

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.
  • 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.
  • Fuel and flame: no markfrom sourceMoleculeFinder curatedCharcoal is mostly carbon, left when wood is heated without air.
  • The line abovefrom sourceMoleculeFinder curatedFrom the group the molecule belongs to.

Properties and sources

Calculated by PubChem

Molecular formula
C
Molecular weight
12.011 g/mol

Measured LD50, HSDB via PubChem

10,000 mg/kg pure carbon, rat, oral

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

Reported Hazard label (GHS), ECHA via PubChem

Warning Irritant pictogram (GHS07); hazard statements H319, H335

Groups it belongs to

Category
Element & material
Family
Chemical elements
Product lists
Fuel and flame
Hazard classes
Irritant, GHS Warning
Size
Under 100 g/mol
SMILES[C]

PubChem CID 5462310 · Wikidata Q623 · InChIKey OKTJSMMVPCPJKN-UHFFFAOYSA-N · Data refreshed

How MoleculeFinder sources and labels its data

Questions
What is Carbon?
The element that bonds to itself endlessly, which is the whole reason organic chemistry, and life, exist. Diamond and graphite are the same atom, packed differently. Element 6.
Where is Carbon found?
Carbon is in these product groups: fuel and flame. from source
How toxic is Carbon?
The reported LD50 of Carbon is 10,000 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 Warning and the hazard pictogram Irritant. from sourcefrom source
What kind of molecule is Carbon?
Carbon has the formula C and a molecular weight of 12.011 g/mol. MoleculeFinder files it under chemical elements, 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, intravenous, 440 mg/kg. The page shows the one LD50 the site uses everywhere.
  • Hazard labelfrom sourceECHA via PubChemThe label combines these classifications.
  • ECHAfrom sourceAttributionSource: European Chemicals Agency, echa.europa.eu.
  • Data refreshedfrom sourceMoleculeFinder2026-11-09