moleculefinder

Boron

B10.81 g/mol Calculated

Also called boracium.

A metalloid that makes glass shrug off thermal shock, which is why laboratory glassware and cookware are borosilicate. Element 5.

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

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
B
Molecular weight
10.81 g/mol

Reported Hazard label (GHS), ECHA via PubChem

Warning Irritant pictogram (GHS07); hazard statements H302, H319, H332, H335, H412

Groups it belongs to

Category
Element & material
Family
Chemical elements
Hazard classes
Irritant, GHS Warning
Size
Under 100 g/mol
SMILES[B]

PubChem CID 5462311 · Wikidata Q618 · InChIKey ZOXJGFHDIHLPTG-UHFFFAOYSA-N · Data refreshed

How MoleculeFinder sources and labels its data

Questions
What is Boron?
A metalloid that makes glass shrug off thermal shock, which is why laboratory glassware and cookware are borosilicate. Element 5.
How toxic is Boron?
Its GHS hazard label carries the signal word Warning and the hazard pictogram Irritant. from source
What kind of molecule is Boron?
Boron has the formula B and a molecular weight of 10.81 g/mol. MoleculeFinder files it under chemical elements, in the element & material group. from sourcefrom sourcefrom sourcefrom source
What else is Boron called?
Boron is also called boracium. 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 via PubChemThe label combines these classifications.
  • ECHAfrom sourceAttributionSource: European Chemicals Agency, echa.europa.eu.
  • Data refreshedfrom sourceMoleculeFinder2026-11-09