Phthalic Anhydride, 99.7+%, 100g por | Jul 20, 2026Phthalic Acid 0.2% max. Sulfuric Acid (Color, APHA) 100 max. Naphthoquinone (Color test) 0.25 ppm max. Test Specification. Heat Color (Stability, APHA) 50 max. Color (APHA) 20 max. Freeze Point 130.9 °C min.
