9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide (DOPO)

　 English Name:  9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide (DOPO)
　 CAS No.:  35948-25-5
　 Description:  　

   Molecular formula: C12H9O2P
    Molecular weight:   216.17
    Structure formula:

                                  

    Application:
The flame retardant is widely used in electronic equipment plastic, copper lining pressure layer, circuit boards and other materials. It can also be used to fire retardant treatment for linear polyester, polyamide, epoxy resin, Polyurethane and so on.This product has the properties of environmental protection, non-migration and durable fire resistance.
    Specification：
                           Test iterms
                        Quality
                          Appearance
                      White flake
                             Purity
                      99.0% min
                    Melting point
                      117-119 ℃
                              Cl
                     50ppm max
                              P
                      14% min