When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. 1,4-Benzoquinone - Wikipedia

    en.wikipedia.org/wiki/1,4-Benzoquinone

    1,4-Benzoquinone, commonly known as para-quinone, is a chemical compound with the formula C 6 H 4 O 2. In a pure state, it forms bright-yellow crystals with a characteristic irritating odor, resembling that of chlorine, bleach, and hot plastic or formaldehyde. This six-membered ring compound is the oxidized derivative of 1,4-hydroquinone. [4]

  3. Hydroquinone - Wikipedia

    en.wikipedia.org/wiki/Hydroquinone

    Hydroquinone, also known as benzene-1,4-diol or quinol, is an aromatic organic compound that is a type of phenol, a derivative of benzene, having the chemical formula C 6 H 4 (OH) 2. It has two hydroxyl groups bonded to a benzene ring in a para position. It is a white granular solid. Substituted derivatives of this parent compound are also ...

  4. Dihydroxybenzenes - Wikipedia

    en.wikipedia.org/wiki/Dihydroxybenzenes

    There are three structural isomers: 1,2-dihydroxybenzene (the ortho isomer) is commonly known as catechol, 1,3-dihydroxybenzene (the meta isomer) is commonly known as resorcinol, and 1,4-dihydroxybenzene (the para isomer) is commonly known as hydroquinone. [1]

  5. The Amazon Prime symbol probably doesn't mean what you think ...

    www.aol.com/news/2016-11-17-the-amazon-prime...

    Just because a Prime logo is present, Dimyan says, doesn't mean it's sold by Amazon. In actuality, any of Amazon's 3 million marketplace sellers can use the Amazon warehouse to house and ship ...

  6. Benzoquinone - Wikipedia

    en.wikipedia.org/wiki/Benzoquinone

    Benzoquinone (C 6 H 4 O 2) is a quinone with a single benzene ring. There are 2 (out of 3 hypothetical) benzoquinones: 1,4-Benzoquinone, most commonly, right image (also para-benzoquinone, p-benzoquinone, para-quinone, or just quinone) 1,2-Benzoquinone, less commonly, left image (also ortho-benzoquinone, o-benzoquinone, ortho-quinone)

  7. Tetrahydroxy-1,4-benzoquinone - Wikipedia

    en.wikipedia.org/wiki/Tetrahydroxy-1,4-benzoquinone

    Tetrahydroxy-1,4-benzoquinone, also called tetrahydroxy-p-benzoquinone, tetrahydroxybenzoquinone, or tetrahydroxyquinone (THBQ, THQ), is an organic compound with formula C 6 O 2 (OH) 4. Its molecular structure consists of a cyclohexadiene ring with four hydroxyl groups and two ketone groups in opposite ( para ) positions.

  8. AOL MySubscriptions

    mysubscriptions.aol.com/manage/subscriptions

    Don’t have an AOL subscription yet? Sign up today and come back to manage all of your subscriptions in a single location. Check out all of the available AOL products and services below.

  9. Amazon Prime - Wikipedia

    en.wikipedia.org/wiki/Amazon_Prime

    Amazon Prime (styled as prime) is a paid subscription service of Amazon which is available in various countries and gives users access to additional services otherwise unavailable or available at a premium to other Amazon customers.