Crude Naphthalene 95%, Purity : 95%-97%

We are offering crude naphthalene 95%. 1.description :
industrial naphthalene  is  white, reddish or yellowish flake crystallization. it has specialodour and it is easy to volatilize and sublimate. the highest allowed density in the air is 10 ppm, specific gravity is 1.162, melting point is 80.1, boiling point is 217.9, flashing point is 78.89, and spontaneous ignition point is 526. explosion limit: dust lower limit 
is 2.5 gm2, steam 0.9~5.9%. it belongs to the second  class flammabe solid. It is mainly made up of naphthalene.
2.application:
 
it is the main raw material of producing phthalic anhydride, dyestuff, resin , α- naphthalene acid,saccharin and so on  
3.technical data:
                                             industrial naphthalene
item index
high-class product first-class product  qualified product
appearance white(reddish or yellowish powder allowed) flake crystallization
crystallization point(oc, ≥)
  78.3 78.0 77.5
nonvolatile matter(%, ≤) 0.04 0.06 0.08
ash (%, ≤) 0.01 0.01 0.02