Title: 2-Naphthol-6-sulfonic Acid
CAS Registry Number: 93-01-6
CAS Name: 6-Hydroxy-2-naphthalenesulfonic acid
Additional Names: Schaeffer's b-acid
Molecular Formula: C10H8O4S
Molecular Weight: 224.23
Percent Composition: C 53.56%, H 3.60%, O 28.54%, S 14.30%
Literature References: Prepn from b-naphthol and concd H2SO4: Fierz-David, Blangey, Fundamental Processes of Dye Chemistry (Interscience, New York, 1949) p 194.
Properties: Leaflets. mp 125°. Very sol in water, alcohol. Practically insol in ether.
Melting point: mp 125°
Derivative Type: Sodium salt
Additional Names: Schaeffer's salt
Molecular Formula: C10H7NaO4S
Molecular Weight: 246.21
Percent Composition: C 48.78%, H 2.87%, Na 9.34%, O 25.99%, S 13.02%
Properties: Light yellow to pink powder. Freely sol in water; slightly sol in alcohol.
Use: In dye chemistry. |