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  • proper n. Acronym of International Union of Pure and Applied Chemistry: an organization that establishes official names of chemical elements and compounds.


Sorry, no etymologies found.


  • Republication or reproduction of this report or its storage and/or dissemination by electronic means is permitted without the need for formal IUPAC permission on condition that an acknowledgment, with full reference to the source, along with use of the copyright symbol ©, the name IUPAC, and the year of publication, are prominently visible.

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  • That would be named 2-methyl-2-ol according to the rules of IUPAC, which is a chain of propane with methyl and two hydroxyl groups in connection with the half of the carbon.


  • He is past Chair of the Analytical Division of the Royal Australian Chemical Institute, a titular member of the IUPAC Analytical Division, and was co-Chair of Interact 2002.

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  • It's a bit dated but still useful, and anyone interested in a more up to date evaluation of the individual reactions should look at the IUPAC atmospheric chemistry evaluation open source.

    Passing Gas

  • John Jost, executive director of IUPAC in North Carolina, told Reuters that creating new elements helped researchers to understand how nuclear power plants and atomic bombs function.

    Element 112 to be Officially Added to the Periodic Table | Impact Lab

  • IUPAC has asked for an official name for the element to be submitted.

    Element 112 to be Officially Added to the Periodic Table | Impact Lab

  • Back in the day, there was no IUPAC system, no National Bureau of Standards, no “Paris clean-room that is kept at precisely 20 degrees Celsius,” i.e. the cubit was not standardized.

    Pi, The Bible, and The Singularity

  • For chemistry the standards are agreed by IUPAC [International Union of Pure and Applied Chemistry].

    Sulphur or sulfur?

  • In 1990 it was recommended by IUPAC that the spelling of sulfur would use ‘f’ instead of ‘ph’ and at the same time the spellings aluminium and caesium were recommended instead of aluminum and cesium (the spellings in common use in the USA).

    Sulphur or sulfur?

  • What does this mean by the way a sulfate IUPAC-recommended spelling; also sulphate in British English "British English"?

    Rabett Run


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