FA
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