TETRACHLOROPHTHALIC ANHYDRIDE
SYNONYM: 4,5,6,7-TETRACHLORO-1,3-ISOBENZOFURANDIONE;
NIAGATHAL;
TETRACHLORO-1,2-BENZENEDICARBOXYLIC
ACID ANHYDRIDE
FORMULA: C8Cl4O3
M. W.: 285.8982
CAS NO.: 117-08-8
DESCRIPTION: WHITE CRYSTAL OR COLORLESS ARRIS NEEDLES.
SPECIFICATIONS:
|
APPEARANCE |
WHITE CRYSTAL OR COLORLESS ARRIS NEEDLES |
|
CONTENT |
99% MIN. (GC) |
|
MELTING POINT |
253.5-257.5℃ |
|
LOSS ON DRY |
0.5% MAX. |
|
FREE CHLORIDE |
10PPM MAX. |
|
IRON |
10PPM MAX |
|
INSOLUBLE MATTER IN
ALKALI |
0.5% MAX. |
|
HEXACHLOROBENZENE |
0.1% MAX |
|
COLOR NO. |
50APHA MAX. |
|
FREE ACID |
0.2% MAX. |
USES: USED IN THE PRODUCING OF PHARMACEUTICALS, PESTICIDES, DYESTUFFS, ETC.
PACKING: 25KGS PLASTIC BAG LINED WITH PE BAG.