Title: Naphthoresorcinol
CAS Registry Number: 132-86-5
CAS Name: 1,3-Naphthalenediol
Additional Names: 1,3-dihydroxynaphthalene
Molecular Formula: C10H8O2
Molecular Weight: 160.17
Percent Composition: C 74.99%, H 5.03%, O 19.98%
Literature References: Prepn by cyclization of ethyl phenylacetoacetate: Soliman, West, J. Chem. Soc. 1944, 53; by heating 1-amino-3-hydroxy-4-naphthalenesulfonic acid in acidic soln: Meyer, Bloch, Org. Synth. 25, 73 (1945); from 1,3-naphtholsulfonic acid: Kozlov, Odintsov, J. Appl. Chem. (USSR) 17, 219 (1944); Kozlov et al., Zh. Prikl. Khim. 35, 880 (1962).
Properties: Leaflets, mp 124-125°. Freely sol in water, alcohol, ether.
Melting point: mp 124-125°
Use: Reagent for sugars, oils, and for glucuronic acid in urine: Forsyth, Nature 161, 239 (1948); Heyns, Kelch, Z. Anal. Chem. 139, 339 (1953).

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