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Molecular formula : MW : CAS :
nature : also known as β - naphthalene sulphonate. Flake white crystals. There hygroscopicity. Melting point : Anhydrous 91 ° C a hydrate 124 ° C, 83 ° C 3 hydrate. Dissolved in water, ethanol and ether. For 2-naphthol, 2-naphthol acid, 2-naphthylamine, such as acid. Naphthalene by using concentrated sulfuric acid at 160 ~ 165 ° C and sulfonation obtained.
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