Phthalic Anhydride

Row	Property	Specification	Test Method
1	Purity wt%	99.85 min	ROLLECHIM Test Method (HPLC)
2	Solidification Point	130.9°C	ASTM D 1493
3	Maleic Anhydride wt%	0.05 max	ISO 1389/VII or NFT20-737
4	Color Index to Hazen	10 max	ASTM D 3366
5	Color Index to Hazen After 90 min. at 250°C	30 max	BASF Test Method
6	Phthalide Content wt%	0.02 max	Rollechim Test Method (HPLC)