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quinone    
醌

□

quinone
n 1: any of a class of aromatic yellow compounds including
several that are biologically important as coenzymes or
acceptors or vitamins; used in making dyes [synonym: {quinone},
{benzoquinone}]


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  • Quinone - Wikipedia
    The term quinone is also used more generally for a large class of compounds formally derived from aromatic quinones through replacement of some hydrogen atoms by other atoms or radicals
  • 26. 2: Quinones - Chemistry LibreTexts
    Among other naturally occurring substances having quinone-type structures, one of the most important is the blood antihemorrhagic factor, vitamin K 1, which occurs in green plants and is a substituted 1,4-naphthalenedione:
  • What Is a Quinone? Sources, Functions, and Uses
    For example, lawsone, the active quinone in henna leaves, is responsible for its dyeing properties Many plants also use quinones as defensive chemicals to deter pests and pathogens
  • Quinone | Definition Uses | Britannica
    quinone, any member of a class of cyclic organic compounds containing two carbonyl groups, > C = O, either adjacent or separated by a vinylene group, ―CH = CH―, in a six-membered unsaturated ring In a few quinones, the carbonyl groups are located in different rings
  • Hydroquinone - Wikipedia
    When colorless hydroquinone and benzoquinone—bright yellow in solid form—are cocrystallized at a 1:1 ratio, a dark-green crystalline charge-transfer complex (melting point 171 °C), known as quinhydrone (C6H6O2·C6H4O2), is formed [citation needed] This complex dissolves in hot water, dissociating both quinone molecules in solution [21]
  • Quinone | C6H4O2 | CID 4650 - PubChem
    Quinone | C6H4O2 | CID 4650 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety hazards toxicity information, supplier lists, and more
  • Quinone, Quinine, And Hydroquinone – What’s The Difference?
    With names so strikingly similar, it’s no wonder these substances are easily confused with one another So, let’s take a moment to sort through what makes quinone, quinine, and hydroquinone unique
  • PubChem
    PubChem is the world's largest collection of freely accessible chemical information Search chemicals by name, molecular formula, structure, and other identifiers Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more
  • Quinone - an overview | ScienceDirect Topics
    Quinone is a strong oxidizing agent and is usually reduced to hydroquinone It has been declared a federal hazardous air pollutant and was identified as a toxic air contaminant in April 1993 under AB 2728
  • QUINONE Definition Meaning - Merriam-Webster
    The meaning of QUINONE is either of two isomeric cyclic crystalline compounds C6H4O2 that are derivatives of benzene





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