Phthalic anhydride
CAS No.: 85-44-9
Product Name: Phthalic anhydride
CAS#85-44-9
Spec: 99.5% min
Package: 25kg/bag, 16mt/20`FCL on pallets
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
CAS#85-44-9
Spec: 99.5% min
Package: 25kg/bag, 16mt/20`FCL on pallets
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
Description
Spec of Phthalic anhydride :
| Items | Specification | Results |
| Appearance | White needle shaped crystals or flake-shaped crystals | White needle shaped crystals |
| Fused chroma (Chroma No.) | ≤20 | 15 |
| Purity (GC) | ≥99.5% | 99.81% |
| Chroma of sulphuric acid (Chroma No.) | ≤40 | 25 |
| Chroma of therma stablity(Chroma No.) | ≤50 | 20 |
| Free acid (Mass fraction)% | ≤0.20 | 0.031 |
| Crystallization point ℃ | ≥130.5 | 130.8 |
| Maleic anhydride, % | ≤0.05 | 0 |










