Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: Alpha particle
RN: 12587-46-1
UNII: UTH52T0U42
InChIKey: LBDSXVIYZYSRII-UHFFFAOYSA-N

Note

  • Positively charged particles composed of two protons and two neutrons, i.e., helium nuclei, emitted during disintegration of very heavy isotopes; a beam of alpha particles or an alpha ray has very strong ionizing power, but weak penetrability.

Molecular Weight

  • 4.0026
 
* denotes mobile formatted website

Links to Resources


Search for this InChIKey on the Web

Names and Synonyms

Results Name

  • Alpha particle

Name of Substance

  • Alpha particle

MeSH Heading

  • Alpha particles

Synonyms

  • Alpha radiation
  • alpha rays
  • Helium(2+)
  • Radiation, alpha
  • UNII-UTH52T0U42

Systematic Name

  • Alpha particle

Registry Numbers

CAS Registry Number

  • 12587-46-1

FDA UNII

  • UTH52T0U42

System Generated Number

  • 0012587461

Structure Descriptors

InChI

1S/He/q+2

InChIKey

LBDSXVIYZYSRII-UHFFFAOYSA-N

Smiles

[He+2]