TETRACHLOROPHTHALIC ANHYDRIDE 99%-1

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.