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Thread: Definition of organic

  1. #1

    Definition of organic

    Its been a long while since I studied chemistry - however I seem to recall that the word organic simply means a compound that contains carbon (with a couple of exceptions like CO2 and carbonates - while they contain carbon they are not classed as organic).

    Certainly I remember the term Organic Chemistry being defined to me as The Chemistry of Carbon.

    So the term Organic has nothing necessarily to do with biological processes at all.

    Is that right?

  2. #2
    thats how I perceived it too

  3. #3
    Isvara.... . 1S Evil_Lau Zardozi's Avatar
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    The biological process can be asexual by means of chemistry of antibiotics that make up the organic substance

  4. #4
    Quote Originally Posted by Zardozi View Post
    The biological process can be asexual by means of chemistry of antibiotics that make up the organic substance
    Eh?

  5. #5
    Quote Originally Posted by synthesizer-patel
    Definition of organic

    Slightly mushy?

  6. #6
    voltage gated ion channel Hercules Rockefeller's Avatar
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    Quote Originally Posted by synthesizer-patel View Post
    …I seem to recall that the word organic simply means a compound that contains carbon (with a couple of exceptions like CO2 and carbonates - while they contain carbon they are not classed as organic). So the term Organic has nothing necessarily to do with biological processes at all.

    Is that right?

    I seem to recall that the definition of organic chemistry is the study of the chemistry of molecules that have a carbon backbone. This is subtly but significantly different to what you are saying, ie. molecules that simply contain carbon atoms.

    So, whilst all life (as we know it) revolves around molecules that have carbon backbones, organic chemistry doesn’t necessarily have to involve biological processes as organic molecules can be made synthetically.

  7. #7
    Quote Originally Posted by Hercules Rockefeller View Post
    I seem to recall that the definition of organic chemistry is the study of the chemistry of molecules that have a carbon backbone. This is subtly but significantly different to what you are saying, ie. molecules that simply contain carbon atoms.
    OK - so that would explain why carbonates and CO2 are not considered organic - despite the fact that they can be biogenic.

    Quote Originally Posted by Hercules Rockefeller View Post
    So, whilst all life (as we know it) revolves around molecules that have carbon backbones, organic chemistry doesn’t necessarily have to involve biological processes as organic molecules can be made synthetically.
    Indeed, synthetically or through other abiogenic processes.

    Thanks for that, I thought I was sort on the right lines but was missing the subtleties - thanks for pointing them out

  8. #8
    May the force be with you Forceman's Avatar
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    Organic Chemistry

    Organic Chemistry deals with the structrure, interaction, uses, and significance of carbon-based compounds, which includes: hydrocarbons, alchohols, and many other polymers and monomers.

  9. #9
    Quote Originally Posted by synthesizer-patel View Post
    So the term Organic has nothing necessarily to do with biological processes at all.
    The dictionaries are divided on the definition, presumably because science is also. However, historically, "organic" only referred to compounds that played a role in biological processes. Today the definition is being expanded to include all carbon compounds. You will probably encounter both definitions but clearly the latter will win out eventually.

    What are we going to do the first time we land on a planet with silicon-based life?

  10. #10
    I've come to learn that organic simply means carbon. This is based on the false biological prejudice that carbon is only associated with living organisms.

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