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Phthalic Anhydride Industrial Grade Phthalic Anhydride 85-44-9
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Product Identification:
CAS No.: 85-44-9
Molecular Formula: C8H4O3
ITEMS OF ANALYSIS |
SPECIFICATION |
APPEARANCE: |
White flake or crystalline powder |
MELTING COLOR(PT/CO)≤ |
20APHA Max. |
HEATING COLOR(PT/CO)≤ |
50APHA Max. |
SULPHURIC ACID CLOUR INDEX(PT/CO)≤ |
40APHA Max. |
SOLIDIFICATION POINT |
130.8Degree C Min |
PURITY |
99.50%Min. |
FREE ACID |
0.20% |
Packing:
25kg/bag
Application:
1.use for plasticizer manufacturing.
2. Phthalic anhydride and polyols (such as glycerol, pentaerythritol) can generate polyarylate resin in condensation way, used in paint industry;
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