Synonyms: tetrachloro-1,2-benzenedicarboxylic acid anhydride;
niagathal; 4,5,6,7-tetrachloro-1,3-isobenzofurandione;

CAS NO: 117-08-8

Appearance: white crystal

Technical information:

Index Name	Index
Appearance	White crystal
Purity	≥99%
Melting Point	254-256
Boiling Point	371
Flash Point	362
Loss on drying	≤0.5%
Free chloride	≤10ppm
Hexachlorobenzene	≤0.1 %
Content of Iron	≤10 ppm
Insoluble Matter in Alkali	≤0.5%

Application: intermediates mainly for pesticides, dyes and pharmaceutical.

Packing: 25kg/PP bag normal export package