Product Identification
Product name: 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide
Abbreviation: DOPO
CAS NO.: 35948-25-5
Molecular weight: 216.16
Molecular formula: C12H9O2P
Structural formula

Property
| Proportion | 1.402(30℃) | 
| Melting point | 116℃-120℃ | 
| Boiling point | 200℃ (1mmHg) | 
Technical index
| Appearance | white powder or white flake | 
| Assay(HPLC) | ≥99.0% | 
| P | ≥14.0% | 
| Cl | ≤50ppm | 
| Fe | ≤20ppm | 
Application
Non-Halogen reactive flame retardants for Epoxy resins, which can be used in PCB and semiconductor encapsulation, Anti-yellowing agent of compound process for ABS, PS, PP, Epoxy resin and others. Intermediate of flame retardant and other chemicals.
Package
25 Kg/bag.
Storage
Store in a cool, dry, well-ventilated place, away from the strong oxidizer.