Structural Formula Vector Image
Title: Asaprol
CAS Registry Number: 516-18-7
CAS Name: 2-Hydroxy-1-naphthalenesulfonic acid calcium salt
Additional Names: calcium 2-hydroxy-1-naphthalenesulfonate; calcium b-naphthol-a-monosulfonate; calcium 2-naphthol-1-sulfonate; 2-naphthol-1-sulfonic acid calcium salt
Trademarks: Abrastol; Calcinaphthol
Molecular Formula: C20H14CaO8S2
Molecular Weight: 486.53
Percent Composition: C 49.37%, H 2.90%, Ca 8.24%, O 26.31%, S 13.18%
Literature References: Prepn: Hagers Handb. Pharm. Praxis Band 2, 204 (Berlin, 1930).
Derivative Type: Trihydrate
Properties: Reddish-white, odorless powder. Dec at about 50°. One gram dissolves in 1.5 ml water, 3 ml alc.
Use: Has been used instead of gypsum to plaster wines.

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