Record Information
Version1.0
Creation Date2016-05-19 02:07:46 UTC
Update Date2016-11-09 01:09:38 UTC
Accession NumberCHEM005904
Identification
Common NameHELIUM
ClassSmall Molecule
Description
Contaminant Sources
  • EAFUS Chemicals
  • FooDB Chemicals
  • HPV EPA Chemicals
Contaminant TypeNot Available
Chemical Structure
Thumb
Synonyms
ValueSource
2HeChEBI
HeChEBI
HelioChEBI
(3He)HeliumHMDB
Atomic heliumHMDB
e939HMDB
Helium(0)HMDB
Helium, compressedHMDB
Helium, isotope OF mass 3HMDB
Helium-3HMDB
Helium-4HMDB
O-HeliumHMDB
P-HeliumHMDB
[He]HMDB
HeliumChEBI
Helium 4MeSH
Chemical FormulaHe
Average Molecular Mass4.003 g/mol
Monoisotopic Mass4.003 g/mol
CAS Registry Number7440-59-7
IUPAC Namehelium
Traditional Namehelium
SMILES[He]
InChI IdentifierInChI=1S/He
InChI KeySWQJXJOGLNCZEY-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of inorganic compounds known as homogeneous noble gases. These are inorganic non-metallic compounds in which the largest atom is a halogen atom.
KingdomInorganic compounds
Super ClassHomogeneous non-metal compounds
ClassHomogeneous noble gases
Sub ClassNot Available
Direct ParentHomogeneous noble gases
Alternative ParentsNot Available
Substituents
  • Homogeneous noble gas
Molecular FrameworkNot Available
External Descriptors
Biological Properties
StatusDetected and Not Quantified
OriginNot Available
Cellular LocationsNot Available
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateNot Available
AppearanceNot Available
Experimental Properties
PropertyValue
Melting PointNot Available
Boiling PointNot Available
SolubilityNot Available
Predicted Properties
PropertyValueSource
logP0ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count0ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area0 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity0 m³·mol⁻¹ChemAxon
Polarizability1.78 ųChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0a4i-9000000000-c9dea7a88bf1f195dda4Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0a4i-9000000000-c9dea7a88bf1f195dda4Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0a4i-9000000000-c9dea7a88bf1f195dda4Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0udi-9000000000-9dfa66cb33ce5f068d01Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0udi-9000000000-9dfa66cb33ce5f068d01Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0udi-9000000000-9dfa66cb33ce5f068d01Spectrum
Toxicity Profile
Route of ExposureNot Available
Mechanism of ToxicityNot Available
MetabolismNot Available
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)Not Available
Uses/SourcesNot Available
Minimum Risk LevelNot Available
Health EffectsNot Available
SymptomsNot Available
TreatmentNot Available
Concentrations
Not Available
DrugBank IDDB09155
HMDB IDHMDB0037238
FooDB IDFDB016248
Phenol Explorer IDNot Available
KNApSAcK IDC00008027
BiGG IDNot Available
BioCyc IDNot Available
METLIN IDNot Available
PDB IDNot Available
Wikipedia LinkHelium
Chemspider ID22423
ChEBI ID30217
PubChem Compound ID23987
Kegg Compound IDNot Available
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General References
1. Hart JL: Effects of hyperbaric helium-oxygen on the antipyretic actions of aspirin and acetaminophen in rats. Undersea Biomed Res. 1978 Mar;5(1):53-62.
2. Mouloudi E, Georgopoulos D: Treatment with aerosols in mechanically ventilated patients: is it worthwhile? Curr Opin Anaesthesiol. 2002 Feb;15(1):103-9.
3. Koblin DD, Fang Z, Eger EI 2nd, Laster MJ, Gong D, Ionescu P, Halsey MJ, Trudell JR: Minimum alveolar concentrations of noble gases, nitrogen, and sulfur hexafluoride in rats: helium and neon as nonimmobilizers (nonanesthetics) Anesth Analg. 1998 Aug;87(2):419-24.
4. Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.