Clicks:2200Times
Item:NAPHTHOL AS-BO
C.I. 37560
Chemical Formula:C21H15NO2
Appearance: Beige powder
Color shade(with standard):similar
Strength:100±3%
Purity:≥98.5%
Melting point:≥215℃
Insoluble in Alkali:≤0.20%
BON acid content):≤0.20%
Reidue on 60 Msieve(or 80 Masrequest):≤5%