Naphthalene

 

  Naphthalene is a high-quality aromatic hydrocarbon extracted and purified from coal tar through advanced distillation and crystallization processes. The Coal Tar Refining company offers three distinct grades of naphthalene to meet varying industrial requirements:
  • Pure Naphthalene: Purity ≥99.5%, Ultra- high purity grade with excellent whiteness, suitable for premium applications in phthalic anhydride production and fine chemical synthesis.
  • Technical Naphthalene: Purity ≥97%, High-purity refined grade ideal for manufacturing superplasticizers, dyes, surfactants, and other chemical intermediates.
  • Crude Naphthalene: Purity≥95%, Cost effective industrial grade suitable for superplasticizers, dyes, surfactants, and moth repellents.

 

 
    All grade complies with international quality standards and are available in flake or molten form for flexible handing and application.

 


Value

Method

Unit

Test

No.

Crude Grade

Technical Grade

Pure Grade
White to yellow crystals or powder/ Liquid

 

 White crystals or powder/ Liquid

 

 Snow White crystals or powder/ Liquid

 

 ISIRI 1202

 

 -

 

 Appearance

 

 1

 
77.5-78.5

 

 78.4-78.9

 

 79.9-80.1

 

 IS: 539-1974

 

 ºC

 

 Crystallization Point

 

 2

 
Min 95

 

 Min 97

 

 Min 99.5

 

 GC method

 

 %

 

 Purity

 

 3

 
-

 

 Max 1.8

 

 Max 0.35

 

 GC method

 

 %

 

 Thionaphthene

 

 4

 

6.1.8.0
گروه دورانV6.1.8.0