PHTHALIC ANHYDRIDE
SYNONYM: 1,2-BENZENEDICARBOXYLIC ACID ANHYDRIDE;
PHTHALIC
ACID ANHYDRIDE; 1,3-DIOXOPHTHALAN;
1,3
PHTHALANDIONE; 1,3-ISOBENZOFURANDIONE;
1,2-BENZENEDICARBOXYLIC
ANHYDRIDE;
1,3-DIHYDRO-1,3-DIOXOISOBENZOFURAN;
PHTHALANDIONE;
FORMULA: C8H4O3
M. W.: 148.1178
CAS NO.: 85-44-9
GRADE: TECH. GRADE
SPECIFICATIONS:
|
APPEARANCE |
WHITE
CRYSTALLINE |
SLICE POWDER |
WHITE SLICE OR CYSTALLINE POWDER |
|
CHROMATICITY
(MELTING) |
20MAX. |
50MAX. |
100MAX. |
|
HEATING STABLE CHROMATICITY |
50MAX. |
150MAX. |
|
|
CRYSTALLIZE
POINT (℃) |
130.5MIN. |
130.3MIN. |
130MIN. |
|
PURITY (%) |
99.5MIN. |
99.5MIN. |
99MIN. |
|
FREE ACID
CONTENT (%) |
0.5MAX. |
0.5MAX. |
0.5MAX. |
|
ASH CONTENT (%) |
0.05MAX. |
|
|
USES: FOR THE MAKING OF PLASTICIZER, RESINS PAINT MEDICINE AND DUESTUFFS.ETC.
PACKING: 25KG
NET PLASTIC MOVEN BAG.
UN NO.: 2214 CLASS: 8