| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2012-09-11 22:28:46 UTC |
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| Update Date | 2022-03-07 02:55:14 UTC |
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| HMDB ID | HMDB0037238 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Helium |
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| Description | Helium, also known as 2HE or helio, 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. Helium is a drug which is used for use in patients who are not getting enough oxygen into their blood due to blockages in the lungs from pathological conditions or injuries. suggested potential benefit in upper airway obstruction, in severe asthma, and in exacerbations of copd/cold. helium may be used in place of carbon monoxide during laparoscopic surgeries as it lowers the risk of developing respiratory acidosis in selected patients. . Helium is an odorless tasting compound. Based on a literature review a small amount of articles have been published on Helium. |
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| Structure | |
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| Synonyms | | Value | Source |
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| 2He | ChEBI | | He | ChEBI | | Helio | ChEBI | | (3He)Helium | HMDB | | Atomic helium | HMDB | | e939 | HMDB | | Helium(0) | HMDB | | Helium, compressed | HMDB | | Helium, isotope OF mass 3 | HMDB | | Helium-3 | HMDB | | Helium-4 | HMDB | | O-Helium | HMDB | | P-Helium | HMDB | | [He] | HMDB | | Helium | ChEBI | | Helium 4 | MeSH |
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| Chemical Formula | He |
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| Average Molecular Weight | 4.0026 |
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| Monoisotopic Molecular Weight | 4.00260325 |
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| IUPAC Name | helium |
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| Traditional Name | helium |
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| CAS Registry Number | 7440-59-7 |
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| SMILES | [He] |
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| InChI Identifier | InChI=1S/He |
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| InChI Key | SWQJXJOGLNCZEY-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| 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. |
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| Kingdom | Inorganic compounds |
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| Super Class | Homogeneous non-metal compounds |
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| Class | Homogeneous noble gases |
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| Sub Class | Not Available |
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| Direct Parent | Homogeneous noble gases |
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| Alternative Parents | Not Available |
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| Substituents | |
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| Molecular Framework | Not Available |
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| External Descriptors | |
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| Ontology |
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| Physiological effect | |
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| Disposition | |
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| Process | Not Available |
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| Role | |
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| Physical Properties |
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| State | Liquid |
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| Experimental Molecular Properties | |
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| Experimental Chromatographic Properties | Not Available |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 298.3 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1037.3 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 467.3 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 205.4 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 387.4 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 252.3 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 359.6 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 456.1 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 593.1 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 729.4 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 238.2 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 809.6 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 321.9 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 396.5 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 681.6 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 339.4 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 297.4 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized |
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| Spectra |
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| MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Helium 10V, Positive-QTOF | splash10-0a4i-9000000000-c9dea7a88bf1f195dda4 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Helium 20V, Positive-QTOF | splash10-0a4i-9000000000-c9dea7a88bf1f195dda4 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Helium 40V, Positive-QTOF | splash10-0a4i-9000000000-c9dea7a88bf1f195dda4 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Helium 10V, Negative-QTOF | splash10-0udi-9000000000-9dfa66cb33ce5f068d01 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Helium 20V, Negative-QTOF | splash10-0udi-9000000000-9dfa66cb33ce5f068d01 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Helium 40V, Negative-QTOF | splash10-0udi-9000000000-9dfa66cb33ce5f068d01 | 2016-08-03 | Wishart Lab | View Spectrum |
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| Biological Properties |
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| Cellular Locations | |
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| Biospecimen Locations | Not Available |
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| Tissue Locations | Not Available |
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| Pathways | |
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| Normal Concentrations |
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| Not Available |
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| Abnormal Concentrations |
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| Not Available |
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| Associated Disorders and Diseases |
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| Disease References | None |
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| Associated OMIM IDs | None |
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| External Links |
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| DrugBank ID | DB09155 |
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| Phenol Explorer Compound ID | Not Available |
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| FooDB ID | FDB016248 |
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| KNApSAcK ID | C00008027 |
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| Chemspider ID | 22423 |
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| KEGG Compound ID | Not Available |
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| BioCyc ID | Not Available |
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| BiGG ID | Not Available |
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| Wikipedia Link | Helium |
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| METLIN ID | Not Available |
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| PubChem Compound | 23987 |
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| PDB ID | Not Available |
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| ChEBI ID | 30217 |
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| Food Biomarker Ontology | Not Available |
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| VMH ID | Not Available |
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| MarkerDB ID | Not Available |
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| Good Scents ID | rw1249131 |
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| References |
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| Synthesis Reference | Not Available |
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| Material Safety Data Sheet (MSDS) | Not Available |
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| General References | - 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. [PubMed:636074 ]
- Mouloudi E, Georgopoulos D: Treatment with aerosols in mechanically ventilated patients: is it worthwhile? Curr Opin Anaesthesiol. 2002 Feb;15(1):103-9. [PubMed:17019191 ]
- 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. [PubMed:9706943 ]
- (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .
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