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1-Naphthol is used as a precursor in the manufacturing of various azo dyes and pharmaceuticals such as nadolol. It is used as biomarkers. It is used in analytical chemistry as Molischs reagent (1-naphthol dissolved in ethanol) for checking the presence of carbohydrates. It plays an essential role with sodium hypobromite to detect the presence of arginine in proteins, which is called as Sakaguchi test.
Zhang, X.; Wang, Y.; Yang, S. Simultaneous removal of Co(II) and 1-naphthol by core-shell structured Fe3O4 @cyclodextrin magnetic nanoparticles. Carbohydr. Polym. 2014, 114, 521-529.
Zuo, L.; Yu, S.; Cheng, L.; Du, E. Adsorption of phenol and 1-naphthol onto XC-72 carbon. Korean J. Chem. Eng. 2013, 30 (3), 714-723.
Hazard Statements: H302-H312-H315-H318-H335
Harmful if swallowed. Harmful in contact with skin. Causes skin irritation. Causes serious eye damage. May cause respiratory irritation.
Precautionary Statements: P201-P202-P261-P264b-P270-P271-P281-P301+P312-P302+P352-P304+P340-P305+P351+P338-P308+P313-P310-P312-P330-P332+P313-P362-P501c
Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Use personal protective equipment as required. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or concerned: Get medical advice/attention. Immediately call a POISON CENTER or doctor/physician. Rinse mouth. If skin irritation occurs: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant