PHTHALIC ANHYDRIDE CAS:[85-44-9] Chemical Formula:C8H4O3 Molecular Weight:149.12 Property:White scaly or crystalline powder,flake or crystalline powder,flake or crystalline powder with microstrip other color,insoluble in water,soluble in hot water,ethanol,ethyl ether,benzene and other most organic solvents. Usage: It is a kind of important organic raw materials,mainly used for the production of DOP,DBP,alkyd resin,dyes,unsaturated resin,and other medicine and pesticide.Now it also be widely used in electronics,coating and fine chemical industries. Package and Transportation: 25kgs/bag,PP and PE bags.Should stored in dry and ventilated warehouse.Faraway from fire,heat source.The gods should be sealed,faraway from moisture.Can not be stored and transported together with oxidant,reducing agent,acid alkali.It should be equipped with approximate fire-fighting equipment.There should be approximate materials to collect the leakage. Standard:GB/T15336-2013 ITEM | INDEX | TEST METHOD | Top-Grade | First-Grade | Up-to Standard | Appearance | White scaly or crystalline powder | White microstrip other colors flake or crystalline powder | 6.2 | Melt Colority( NO.) ≤ | 20 | 50 | 100 | 6.3 | Thermal stability of colority( NO)≤ | 50 | 150 | -- | 6.4 | Sulfuric acid colority (NO)≤ | 40 | 100 | 150 | 6.5 | The crystallization point/℃≥ | 130.5 | 130.3 | 130 | 6.6 | Purity %≥ | 99.50 | 99.50 | 99.50 | 6.7 | Free Acid %≤ | 0.20 | 0.30 | 0.50 | 6.8 | |