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catechol

儿茶酚; 邻苯二酚

The Collaborative International Dictionary of English v.0.48 (gcide)

Pyrocatechin \Pyr`o*cat"e*chin\, n. [Pyro- catechu.] (Chem.)
A white crystalline substance, {C6H4(OH)2}, of the phenol
series, found in various plants; -- so called because first
obtained by distillation of gum catechu. Called also
{catechol}, {oxyphenol}. etc.
[1913 Webster]

catechol \cat"e*chol\ (k[a^]t"[e^]*k[add]l`), n. [.]
any of a group of chemicals having a benzene ring substituted
with two hydroxyl groups in ortho position, especially
ortho-dihydroxybenzene itself ({C6H6O2}), also called
{pyrocatechol}, used in photography and as a reagent.
[PJC]

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Catechol - Wikipedia
Catechol ( ˈkætɪtʃɒl or ˈkætɪkɒl ), also known as pyrocatechol or 1,2-dihydroxybenzene, is an organic compound with the molecular formula C6H4(OH)2 It is the ortho isomer of the three isomeric benzenediols This colorless compound occurs naturally in trace amounts
Catechol | C6H6O2 | CID 289 - PubChem
Catechol is a benzenediol comprising of a benzene core carrying two hydroxy substituents ortho to each other It has a role as a genotoxin, an allelochemical and a plant metabolite It is a conjugate acid of a catecholate (1-)
Catechol (Pyrocatechol) - U. S. Environmental Protection Agency
The International Agency for Research on Cancer (IARC) has classified catechol as a Group 2B, possible human carcinogen EPA has not classified catechol with respect to potential carcinogenicity
Catechol: Production, Reactions And Uses
Catechol is an aromatic diol that was originally discovered in 1839 through the dry distillation of catechin by Reinsch Today, it is synthesized industrially from phenol
Definition of catechol - NCI Dictionary of Cancer Terms
catechol (ka-teh-KOL) A chemical originally isolated from a type of mimosa tree Catechol is used as an astringent, an antiseptic, and in photography, electroplating, and making other chemicals It can also be made in the laboratory
Chemical properties of catechols and their molecular modes of toxic . . .
In this review, we particularly focus on complex formations and the redox chemistry of catechols, which play an inportant role in the toxicity of catechols In the presence of heavy metals, such as iron or copper, stable complexes can be formed
CATECHOL Definition Meaning - Merriam-Webster
The meaning of CATECHOL is catechin
1,2-Benzenediol - NIST Chemistry WebBook
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access The purpose of the fee is to recover costs associated with the development of data collections included in such sites Your institution may already be a subscriber
Catechol - an overview | ScienceDirect Topics
Catechol is defined as a phenolic compound characterized by two adjacent hydroxyl groups, which serves as a strong reducing agent and can coordinate with metals
Catechol – Knowledge and References – Taylor Francis
Catechol is a dihydroxyl aromatic compound that is an ortho-isomer of benzenediol, also known as pyrocatechol It has many applications, including as a polymerization inhibitor, photographic developer, lubricating oil, and in pharmaceuticals

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