Phthalic Anhydride

Phthalic Anhydride

Product Details:

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Product Description

Phthalic Anhydride

Molecular formula C6H4(CO)2O

Specification of Phthalic Anhydride flakes 99 pct min

Purity (m/m), wt% 99.64
Crystallizing point, 0C,min 130.9
Iron (Fe) (m/m), wt% 0.000006
Phthalic acid content, wt% , min Absent
Maleic anhydride (m/m), wt%, max 0.001
Ash (m/m), wt%, max 0.001
Melted products color,
Hasen units, max
-at output
15
Melted products colour after
heating at 2500C during 90 minutes,
Hasen units: - at output
40


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