Tetrachlorophthalic anhydride [117-08-8]
Structure
formula:
Synonyms: tetrachloro-1,2-benzenedicarboxylic acid anhydride; niagathal; 4,5,6,7-tetrachloro-1,3-isobenzofurandione;
Appearance: white crystal
Technical information:
|
Index
Name
|
Index
|
| Appearance |
White
crystal
|
| Purity |
¡Ý99%
|
| Melting Point |
254-256¡æ
|
| Boiling Point |
371¡æ
|
| Flash Point |
362¡æ
|
| Loss on drying |
¡Ü0.5%
|
| Free chloride |
¡Ü10ppm
|
| Hexachlorobenzene |
¡Ü0.1
%
|
| Content of Iron |
¡Ü10
ppm
|
| Insoluble Matter in Alkali |
¡Ü0.5%
|
Uses: intermediates mainly for pesticides, dyes and pharmaceutical.
Packing: 25kg/bag 50kg/bag
Bis-(4-hydroxystyryl)Ketone
Structure
formula:
Appearance: yellow crystal
Purity: ¡Ý 99%
Uses: intermediates for dyes
Packing: 25kg/bag
