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Product Name£º refined nepthalene powd

Refined Naphthalene powder  
   
Introduction:  
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 g/m2, steam 0.9~5.9%. It belongs to the second  class flammabe solid. It is mainly made up of naphthalene. 

Application:  
   
It is the main raw material of producing phthalic anhydride, dyestuff, resin , ¦Á- naphthalene acid,saccharin and so on. 
   
Specification:   
                                             Industrial Naphthalene  
Item                                  Index  
                                         High-class Product   First-class product  Qualified Product  
Appearance White(reddish or yellowish powder allowed) flake crystallization  
Crystallization Point(oc, ¡Ý)  78.3                        78.0                        77.5  
Nonvolatile Matter(%, ¡Ü)      0.04                        0.06                        0.08  
Ash (%, ¡Ü)                             0.01                        0.01                        0.02 
 

Titanium dioxide Rutile grade | Crude Naphthalene

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