moleculefinder

Silicon carbide

CSi40.096 g/mol Calculated

Also called Carborundum, carbon silicide, silicon monocarbide and SiC.

Carborundum: harder than almost anything but diamond, the grit on wet-and-dry paper and the ceramic in brake discs and body armour.

Sources and notes
  • The introductionfrom sourceMoleculeFinder curated
  • Other namesfrom sourceWikidataIts English label and aliases on 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.

Sources and notes
  • The line abovefrom sourceMoleculeFinder curatedFrom the group the molecule belongs to.

Properties and sources

Calculated by PubChem

Molecular formula
CSi
Molecular weight
40.096 g/mol
Polar surface areatopological
0 Ų
H-bond donors
0
H-bond acceptors
1
Rotatable bonds
0
Complexity
10

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

Danger Flammable pictogram (GHS02), Irritant pictogram (GHS07) and Health hazard pictogram (GHS08); hazard statements H225, H315, H319, H335, H336, H372

SMILES[C-]#[Si+]

PubChem CID 9863 · Wikidata Q412356 · InChIKey HBMJWWWQQXIZIP-UHFFFAOYSA-N · Data refreshed

How MoleculeFinder sources and labels its data

Questions
What is Silicon carbide?
Carborundum: harder than almost anything but diamond, the grit on wet-and-dry paper and the ceramic in brake discs and body armour.
How toxic is Silicon carbide?
Its GHS hazard label carries the signal word Danger and the hazard pictograms Flammable, Irritant and Health hazard. from source
What kind of molecule is Silicon carbide?
Silicon carbide has the formula CSi and a molecular weight of 40.096 g/mol. MoleculeFinder files it under hard mineral solids, in the element & material group. from sourcefrom sourcefrom sourcefrom source
What else is Silicon carbide called?
Silicon carbide is also called carbon silicide, Carborundum, silicon monocarbide and SiC. from source
Sources and notes
  • Calculated valuescomputedPubChemComputed from the structure, so no laboratory conditions apply; complexity is PubChem's own structural score.
  • Hazard labelfrom sourceECHA, EU CLP Regulation, Safe Work Australia via PubChemThe label combines these classifications.
  • ECHAfrom sourceAttributionSource: European Chemicals Agency, echa.europa.eu.
  • EU CLP Regulationfrom sourceAttributionSource: EUR-Lex, Regulation (EC) No 1272/2008, © European Union.
  • Safe Work Australiafrom sourceAttributionSource: Safe Work Australia, Hazardous Chemical Information System, © Commonwealth of Australia, CC BY 4.0.
  • Data refreshedfrom sourceMoleculeFinder2026-11-09