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  "INFO": {
    "2DPNG_URL": "http://www.chemspider.com/ImagesHandler.ashx?id=22423",
    "ALIASES": [
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    "CAS": "7440-59-7",
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    "FORMULA": "He_{1}",
    "INCHI_KEY": "SWQJXJOGLNCZEY-UHFFFAOYSA-N",
    "INCHI_STRING": "InChI=1S/He",
    "NAME": "Helium",
    "REFPROP_NAME": "HELIUM",
    "SMILES": "[He]"
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  "TRANSPORT": {
    "conductivity": {
      "BibTeX": "Hands-CRYO-1981",
      "hardcoded": "Helium"
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    "viscosity": {
      "BibTeX": "Arp-NIST-1998",
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}