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Trihydroxytoluene
Dihydroxytoluene may refer to: * 2,3,4-trihydroxytoluene (caricaphenyl triol) of the papaya plant * 2,3,5-trihydroxytoluene, a product of orcinol catalysis See also * Hydroxytoluene * Dihydroxytoluene * Trinitrotoluene Trinitrotoluene (), more commonly known as TNT, more specifically 2,4,6-trinitrotoluene, and by its preferred IUPAC name 2-methyl-1,3,5-trinitrobenzene, is a chemical compound with the formula C6H2(NO2)3CH3. TNT is occasionally used as a reage ...
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Hydroxytoluene
Cresols (also hydroxytoluene or cresylic acid) are a group of aromatic organic compounds. They are widely-occurring phenols (sometimes called ''phenolics'') which may be either natural or manufactured. They are also categorized as methylphenols. Cresols commonly occur as either solids or liquids because their melting points are generally close to room temperature. Like other types of phenols, they are slowly oxidized by exposure to air, and the resulting impurities often give the samples a yellow to brownish red tint. Cresols have an odor characteristic to that of other simple phenols, reminiscent to some of a "coal tar" smell. The name "cresol" is an adduct of phenol and their traditional source, creosote. Structure and production In its chemical structure, a molecule of cresol has a methyl group substituted onto the ring of phenol. There are three forms (isomers) of cresol: ''ortho''-cresol ( ''o''-cresol), ''meta''-cresol ( ''m''-cresol), and ''para''-cresol ( ''p''-creso ...
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Dihydroxytoluene
Methylbenzenediol, also known as dihydroxytoluene, may refer to: * 3-Methylcatechol (3-methylbenzene-1,2-diol or 2,3-dihydroxytoluene) * 4-Methylcatechol (4-methylbenzene-1,2-diol or 3,4-dihydroxytoluene) * 2-methylbenzene-1,3-diol * 4-methylbenzene-1,3-diol * Orcinol (5-methylbenzene-1,3-diol or 3,5-dihydroxytoluene) * 2-methylbenzene-1,4-diol * 3-methylbenzene-1,4-diol See also * Cresol (methylphenol, hydroxytoluene) * Trihydroxytoluene Dihydroxytoluene may refer to: * 2,3,4-trihydroxytoluene (caricaphenyl triol) of the papaya plant * 2,3,5-trihydroxytoluene, a product of orcinol catalysis See also * Hydroxytoluene * Dihydroxytoluene * Trinitrotoluene Trinitrotoluene (), ...
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Papaya
The papaya (, ), papaw, () or pawpaw () is the plant species ''Carica papaya'', one of the 21 accepted species in the genus ''Carica'' of the family Caricaceae. It was first domesticated in Mesoamerica, within modern-day southern Mexico and Central America. In 2020, India produced 43% of the world supply of papayas. Etymology The word ''papaya'' comes from Arawak via Spanish, this is also where ''papaw'' and ''pawpaw'' come from. Description The papaya is a small, sparsely branched tree, usually with a single stem growing from tall, with spirally arranged leaves confined to the top of the trunk. The lower trunk is conspicuously scarred where leaves and fruit were borne. The leaves are large, in diameter, deeply palmately lobed, with seven lobes. All parts of the plant contain latex in articulated laticifers. Flowers Papayas are dioecious. The flowers are five-parted and highly dimorphic; the male flowers have the stamens fused to the petals. The female flowers h ...
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Orcinol
Orcinol is an organic compound with the formula CH3C6H3(OH)2. It occurs in many species of lichens including ''Roccella tinctoria'' and ''Lecanora''. Orcinol has been detected in the "toxic glue" of the ant species ''Camponotus saundersi''. It is a colorless solid. It is related to resorcinol, 1,3-C6H4(OH)2. Synthesis and reactions Orcinol was first prepared by dehydroacetic acid, a conversion that involved ring-opening of the pyrone to a triketone. This early experiment helped establish the rich condensation chemistry of polyketides. It can be obtained by fusing extract of aloes with potash, followed by acidification. It undergoes O-methylation with dimethylsulfate. It is used in the production of the dye orcein and as a reagent in some chemical tests for pentoses, such as Bial's Test. It may be synthesized from toluene; more interesting is its production when acetone dicarboxylic ester is condensed with the aid of sodium. It crystallizes in colorless prisms with one molecul ...
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