naphthol

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naphthol

 [naf´thol]
a phenol occurring in coal tar in two forms: α- or 1-naphthol and β- or 2-naphthol. It is used in dyes, insecticides, and pharmaceutical compounds. If excessive amounts are ingested, poisoning may result, characterized by anemia, jaundice, convulsions, and coma.

naph·thol

(naf'thol),
A hydroxynaphthalene, occurring in two forms: α-naphthol, a dye intermediate used in cytochemistry for l-arginine localization; and β-naphthol, also known as isonaphthol, used as an anthelmintic and antiseptic. Both forms are also used in the manufacture of dyes, organic chemicals, and rubber products.
Synonym(s): naphthalenol

naphthol

Toxicology A white crystalline phenol derivative intermediate in the synthesis of multiple compounds including pharmaceuticals Toxicity Abdominal pain, glomerulonephritis, convulsions, circulatory collapse, skin pigmentation

naphthol

a phenol occurring in coal tar: α-naphthol (1-hydroxynaphthalene) or β-naphthol (2-hydroxynaphthalene). It has antiseptic properties and is used in compound form as a skin antiseptic.
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para, lithols, lithol rubines, napthols, quinacridone, red lake C, rhodamine, toluidine): Yellow pigments (diarylide; hansas).
Comments: 1184 Napthol Red 184 has a bluish red hue and offers very good lightfastness and superior chemical resistance for use in paper coatings and especially for use as a process red in water flexo inks and solvent inks.
Comments: 1070 Napthol Red 170 is an improved quality version of our 1370 offering a slightly yellower, cleaner shade with a slight improvement in lightfastness.
Tenders are invited for Cloth Cotton Pugree Napthol Red Mull 81 Cms Wide Mill Made In 21 Meters And Above And Below 50 Meters Multiples Of 4-5 Meters To Is Specn, 7119/1973 Reaffirmed With Relexation Of Parameters Inches Colour Fastness To Washing 3 Or Better, Inches Colour Fastness To Rubbing Both Dry And Wet 3 Or Better Inches And Fabric Of Variety No.
13-3722 Permanent Rubine F8B P/C (PR 269 Napthol AS)
Comments: 13-3722 Permanent Rubine F8B P/C (PR 269 Napthol AS) is used for aqueous flexo, textile and flush.
is a medium shade high-performance napthol used for ink and paint applications, and is transparent grade.
Organic pigments include phthalo blues and greens, 2B red, napthols, Red Lake C, and carbazole violet.
Primaries are usually p-phenylenediamines or p-aminophenols while couplers are resorcinols, m-aminophenols, m-phenylenediamines, or napthols.