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4-Amino-3-hydroxy-1-naphthalenesulfonic acid is used as mordant dyes and acid dyes intermediate.
Khajavi Mohammad S.; Mohammadi, Ali A. Reaction of 4-amino-3-hydroxy-1-naphthalenesulfonic acid with orthoesters: a new facile one-pot synthesis of 2-substituted naphth[1,2-d]oxazole-5-sulfonates. Journal of Chemical Research. 2002, 2002 (3), 136-138.
T. Kikuchi; T. Furuta and S. Kojima. Membrane localization and demonstration of isoforms of nucleoside triphosphate hydrolase from Toxoplasma gondii. Parasitology. 2001, 122 (1), 15-23.
Key component of the Fiske and Subbarow Reducer for colorimetric determination of phosphate: J. Biol. Chem., 66, 375 (1925); 234, 466 (1959). Reagent for spectrophotometric determination of Si: Microchem. J., 15, 441 (1970).
Hazard Statements: H315-H319-H335
Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statements: P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.