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Acid Orange 7, also known as 2-naphthol orange is an azo dye. It is used for dyeing wool. Preparation It is ...
Orange GGN, also known as alpha-naphthol orange, is an azo dye [1] formerly used as a food dye. It is the disodium salt of 1-( m -sulfophenylazo)-2-naphthol-6-sulfonic acid. In Europe , it was denoted by the E Number E111, but has been forbidden for use in foods since 1 January 1978. [ 2 ]
2-Naphthol, or β-naphthol, is a fluorescent colorless (or occasionally yellow) crystalline solid with the formula C 10 H 7 OH. It is an isomer of 1-naphthol , differing by the location of the hydroxyl group on the naphthalene ring.
This page was last edited on 14 November 2024, at 15:03 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
December’s full moon, dubbed the cold moon, will reach the crest of its full phase early Sunday. Here’s the best way to view the last full moon of 2024. ... 24/7 Help. For premium support ...
2-Naphthol: β-naphthol Azoic coupling component 1 37500 diazonium salt 135-19-3: Naphthol green B: Acid green 1 10020 nitroso 19381-50-1: Naphthol yellow S: Sulfur yellow S Acid yellow 1 Food yellow 1 10316 nitro 846-70-8: Naphthylamin Brown F Acid brown 6 14625 azo 6419-10-5: Neutral red: Toluylene red Basic red 5 50040 eurhodin 553-24-2: New ...
March 24, 2024 at 8:20 AM. Full worm moon in March. Spring is here, which means so is March’s full moon. While there are full moons each month (approximately every 29.5 days), ...
Naphthol may refer to: 1-Naphthol; 2-Naphthol This page was last edited on 26 June 2023, at 00:21 (UTC). Text is available under the Creative Commons Attribution ...