Pyrogallol is an organic compound with the formula C6H3(OH)3. It is a water-soluble, white solid although samples are typically brownish because of its...

In enzymology, a pyrogallol hydroxytransferase (EC 1.97.1.2) is an enzyme that catalyzes the chemical reaction 1,2,3,5-tetrahydroxybenzene + 1,2,3-trihydroxybenzene...

of carbon atoms (i.e. 5) is useful in decreasing polymer elasticity. Pyrogallol can be produced from glutaric diester. Glutaric acid may cause irritation...

In enzymology, a pyrogallol 1,2-oxygenase (EC 1.13.11.35) is an enzyme that catalyzes the chemical reaction 1,2,3-trihydroxybenzene + O2 ⇌ {\displaystyle...

solubility in water. The enzyme pyrogallol hydroxytransferase uses benzene-1,2,3,5-tetrol and benzene-1,2,3-triol (pyrogallol), whereas its two products are...

A hydrolysable tannin or pyrogallol-type tannin is a type of tannin that, on heating with hydrochloric or sulfuric acids, yields gallic or ellagic acids...

and 6) positions. It is the symmetrically dimethylated derivative of pyrogallol. It is a colorless solid, although typical samples are brown owing to...

benzenetriols. The other two isomers are hydroxyquinol (1,2,4-benzenetriol) and pyrogallol (1,2,3-benzenetriol). Phloroglucinol, and its benzenetriol isomers, are...

emulsions after Samman introduced the idea of adding dithionite to the pyrogallol developer.[citation needed] Berkeley discovered that with his own addition...

cyclohexane derivative hexahydrogallic acid. Heating gallic acid gives pyrogallol (1,2,3-trihydroxybenzene). This conversion is catalyzed by gallate decarboxylase...

resorcinarenes and pyrogallolarenes are produced from resorcinol and pyrogallol, respectively. The aldehyde most often used is formaldehyde, while larger...

oxidoreducens. The enzyme pyrogallol hydroxytransferase uses 1,2,3,5-tetrahydroxybenzene and 1,2,3-trihydroxybenzene (pyrogallol), whereas its two products...

current legislation restricts the use of certain substances, such as pyrogallol, formaldehyde, or paraformaldehyde, and bans the use of others, such as...

name of R. coriaria. The leaves of certain sumacs yield tannin (mostly pyrogallol-type), a substance used in vegetable tanning. Notable sources include...

traction and abrasion, and have warm color. Chestnut tannin is one of the pyrogallol class of tannins (also known as hydrolysable tannin). As it tends to give...

Colchicine is a medication used to prevent and treat gout, to treat familial Mediterranean fever and Behçet's disease, and to reduce the risk of myocardial...

polyphenols contain repeating phenolic moieties of pyrocatechol, resorcinol, pyrogallol, and phloroglucinol connected by esters (hydrolyzable tannins) or more...

reaction 3,4,5-trihydroxybenzoate ⇌ {\displaystyle \rightleftharpoons } pyrogallol + CO2 This enzyme belongs to the family of lyases, specifically the carboxy-lyases...

absorbents are: Potassium hydroxide (caustic potash) for carbon dioxide Pyrogallol (pyrogallic acid) for oxygen Copper(I) chloride (ammoniacal Cuprous chloride)...

amaranth (red dye #2 banned in the US in 1976), silver nitrate, carmine, pyrogallol, disperse orange dye, and chromium. These have been found to cause allergic...

acid can be extracted from it. The bark and especially the fruit yield pyrogallol and catechol to dye and tan leather. Water stored in the stem is often...

Hydroxymethylfurfural Hydroxyquinol Isomaltol Levoglucosenone Maltol Phloroglucinol Pyrogallol Triacetic acid lactone This set index page lists chemical structure articles...

is a macrocycle, or a cyclic oligomer, based on the condensation of pyrogallol (1,2,3-trihydroxybenzene) and an aldehyde. Pyrogallolarenes are a type...

had experimented with phenols and formaldehydes in 1872, particularly Pyrogallol and benzaldehyde. He created a "black guck" which he considered useless...

the British Journal of Photography Almanac included his new formula of pyrogallol, sulfite and citric acid in their publication. In Berkeley's new formula...

Benserazide is a peripherally acting aromatic L-amino acid decarboxylase or DOPA decarboxylase inhibitor, which is unable to cross the blood–brain barrier...

epicatechin and catechin, respectively, similar to the difference in pyrogallol compared to pyrocatechol. Catechin gallates are gallic acid esters of...

trihydroxybenzenes. The enzyme pyrogallol hydroxytransferase uses 1,2,3,5-tetrahydroxybenzene and 1,2,3-trihydroxybenzene (pyrogallol), whereas its two products...

1993 Recommendations for the Nomenclature of Organic Chemistry. Enol Pyrogallol Thiotimoline "Front Matter". Nomenclature of Organic Chemistry: IUPAC...

instant coffee. The developing chemistry is similar to that of catechol or pyrogallol. It is also used as a matrix in MALDI mass spectrometry analyses. Isomers...