... industrial naphthalene 1.china larger supplier 2.CAS:91-20-3 3.SGS,ISO 4.free sample 1.New arrivals refined naphthalene ... pinkish or light yellow, flat crystalCrystallization Point (Not less than %)79.879.679.378.37877.5Nonvolatile Matter(Not more than %)--0 ... 010.010.02Scouring Colorimetric(Not deeper than)No.2No.4--------3.Application:It is used to produce βhydroxynaphthalene,reducer,phthalic ...