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Items: Naphthol AS-D C.I. 37520 CAS: 135-61-5 Chemical Formula:C18H15NO2 Appearance: Beige brown powder Color shade(with standard):similar Strength:100±3%Purity:≥98% Melting point:≥190℃ Insoluble in Alkali:≤0.5% BON acid content:≤0.2% Reidue on 60 Msieve(or 80 Masrequest):≤5% |
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