苯酐GB/T15336-94

 

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