1 naphthol’s



[wuhn-naf-thawl, -thol, -nap-] /ˈwʌnˈnæf θɔl, -θɒl, -ˈnæp-/
noun, chemistry
alpha-naphthol.
see under naphthol.
naphthol
[naf-thawl, -thol, nap-] /ˈnæf θɔl, -θɒl, ˈnæp-/
noun, chemistry
either of two isomeric hydroxyl derivatives, c 1 0 h 7 oh, of naphthalene (alpha-naphthol or 1-naphthol and beta-naphthol or 2-naphthol) white or yellowish crystals, with a phenolic odor, that darken on exposure to light: used chiefly in dyes, drugs, perfumes, and insecticides.
also called hydroxynaphthalene.
naphthol
/ˈnæfθɒl; ˈnæp-/
noun
a white crystalline solid having two isomeric forms, alpha-naphthol, used in dyes, and beta-naphthol, used in dyes and as an antioxidant. formula: c10h7oh
word origin
c19: from naphtha + -ol1

naphthol naph·thol (nāf’thôl’, -thōl’, nāp’-) or naph·tol (-tôl, -tōl)
n.
an organic compound occurring in two isomeric forms, alpha-naphthol and beta-naphthol. also called naphthalenol.
naphthol
(nāf’thôl’, -thōl’, nāp’-)
a poisonous organic compound occurring in two isomeric forms. both isomers are important in the manufacture of dyes, and also in making antiseptics, insecticides, and tanning agents. naphthol consists of a hydroxyl group (oh) attached to naphthalene. chemical formula: c10h8o.
naphthol

either of two colourless, crystalline organic compounds derived from naphthalene and belonging to the phenol family; each has the molecular formula c10h7oh. both compounds have long been identified with the manufacture of dyes and dye intermediates; they also have important uses in other areas of the chemical industry.
learn more about naphthol with a free trial on britannica.com

Read Also:

  • 1,3-diphosphoglycerate

    1,3-diphosphoglycerate 1,3-di·phos·pho·glyc·er·ate (-dī-fŏs’fō-glĭs’ə-rāt’) n. a diphosphate of glyceric acid that is an important intermediate in glycolysis, fermentation, and photosynthesis.

  • 1,4-alpha-glucan branching enzyme

    1,4-alpha-glucan branching enzyme n. an enzyme in muscles that catalyzes the breakdown of alpha-1,4 linkages in glycogen and the formation of alpha-1,6 linkages, thus creating branches in glycogen and increasing its solubility; brancher enzyme.

  • 1-2-3

    lotus 1-2-3

  • 1.tr.6

    networking, protocol a control channel protocol for isdn. it is a national standard in germany but is being replaced by euro-isdn. (1995-03-27)

  • 10

    the upper end of a rating scale, with 10 indicating the best or a perfect score: that new novel is wonderful—i’d rate it a 10.


Disclaimer: 1 naphthol's definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.