Polymate Additives Co., Limited
Add: 206Shi, 101Dong, Huaqiaocheng
Pukou, Nanjing, China, 210031
Tel: +86 (0)25 570 11575
Fax: +86 (0)25 570 16494
Email: polymateadditives@gmail.com
Web: www.PolymateAdditives.com
  Phenolic Antioxidants
Plaox-1010, Plaox-1076, Plaox-1098
Plaox-1024, Plaox-3114
Organophosphite Antioxidants
  Plaox-168, Plaox-626
  Amine Antioxidants
  Plaox-BODPA, Plaox-DNDPA
Plaox-DODPA, Plaox-DCDPA
  Thioester Antioxidants
  Plaox-DLTDP, Plaox-DSTDP
  Blended Antioxidants
  Plaox-B215, Plaox-B225
  Heat stabilizers
  Pherst-TPP, Pherst-ODPP
Light stabilizers
HALS (hindered amine light stabilizers)
  Palst-770, Palst-622, Palst-944
Palst-783, Palst-791
, Palst-3529
  UVA (Ultraviolet absorbents)

Pamsorb-531, Pamsorb-P
Pamsorb-234, Pamsorb-326
Pamsorb-327, Pamsorb-328
Pamsorb-1164, Pamsorb-1577

Flame retardants
Brominated Flame retardants

Plamtar-TBBA, Plamtar-BDDP
Plamtar-DBDPE, Plamtar-BTBPOE
Plamtar-HBCD, Plamtar-TTBPC

  Halogen free Flame retardants
  Plamtar-RDP, Plamtar-BDP
Plamtar-DOPO, Plamtar-DOPO-HQ
About us | Products | Service | Contact us   
Flame retardants  
    Halogen free Flame retardants    
    Plamtar-RDP | Plamtar-BDP
Plamtar-DOPO | Plamtar-DOPO-HQ
    Flame retardant Plamtar-DOPO    

Chemical name: 9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide
Molecular formula: C12H9O2P
Molecular weight: 216
CAS No.: 35948-25-5

Structural formula:

Physical properties

Appearance: White powders
Melting point: 116 ~ 120 ˇăC

Specific gravity (g/cm 3 ), @ 25 ˇăC :1.38

Solubility (g/ 100g solvent), @20 ˇăC

Water: Insoluble
Tetrahydro furan: Soluble

Xylene: Soluble
Chloride benzene: Soluble



Appearance: White crystal or powders or granules
Assay: 99.0 % min
Melting point: 116 ~ 120 ˇăC
P: 14.0% min

CI: 30 ppm max
Zn: 5 ppm max
Na: 30 ppm max


Plamtar-DOPO is reactive with olefins, ketones, epoxies, etc, it is able to be used as a reactive flame retarder or the raw material of flame retarder for various resins. And these products are so environmentally friendly that it can be used as a substitute for halogenated flame retarder or raw material for the halogen free flame retarder. It is mainly used for Flame retardant epoxy resin for PCB, Color protector for plastics, Fire Retardant Polyester Fiber Fabrics, and so on.




Brominated Flame retardants
Plamtar-TBBA | Plamtar-BDDP | Plamtar-TBSBPE
Plamtar-DBDPE | Plamtar-BTBPOE | Plamtar-BTBPIE
Plamtar-HBCD | Plamtar-TTBPC | Plamtar-TBC

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