Phthalic Anhydride
Product Images
Product Property
Product Status : | New |
Sample Available : | yes |
Shipment Terms : | fob,cif,Negotiable |
Payment Mode : |
T/T,L/C,cash,WesternUnion |
Description
Phthalic anhydride is an important organic chemical raw material which is mainly used to
make plasticizer in plastic, alkyd resin, dye, unsaturated resin and some medicines or farm chemicals.
molecular formula :C8H4O3
molecular weight :148.12
Quality standards of phthalic anhydride GB/T 15336-2006
Item | Index | ||
Top grade | First grade | Qualified product | |
Appearance | white scaly or crystalline powder | white scaly or crystalline powder with slight colors | |
molten Chroma(Chroma no. )≤ | 20 | 50 | 100 |
thermostable Chroma(Chroma no. )≤ | 50 | 150 | - |
Chroma of vitriol(Chroma no. )≤ | 60 | 100 | 150 |
crystallization point°C≥ | 130.5 | 130.3 | 130.0 |
Purity(mass fraction)%≥ | 99.50 | 99.50 | 99.00 |
Free acid(mass fraction)≤ % | 0.20 | 0.30 | 0.50 |
Ash(mass fraction)%≤ | 0.05 | - | - |
Packaging Detail: 25kgs per bag
Delivery Detail: within 10days