Abrastol, also called asaprol, with IUPAC name calcium;2-hydroxynaphthalene-1-sulfonate (C20H14CaO8S2) is an antiseptic chemical. It is forbidden for use as a wine preservative; previously, it has been used instead of gypsum to plaster wines.

Categories: Food additive
Also known as:
English: asaprol
References:
https://pubchem.ncbi.nlm.nih.gov/compound/Asaprol
https://www.drugfuture.com/chemdata/Asaprol.html
Larousse Gastronomique; Montagné, Prosper, 1961

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