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-HQ    

Chemical name: 6-(2, 5-Dihydroxyphenyl)-6H-dibenz [c, e] [1, 2] oxaphosphorine-6-oxide
Molecular formula: C18H13O4P
Molecular weight: 324
CAS No.: 99208-50-1
Structural formula:

Physical properties

Appearance: White powders
Melting point: 247 ~ 253 ˇăC

Specific gravity (g/cm 3 ), @ 25 ˇăC :1.40

Solubility (g/ 100g solvent), @20 ˇăC

Water: Insoluble
THF: Soluble
DMF: Soluble
Methanol: Soluble

Ethanol: Soluble
Isopropanol: Soluble
Acetone: Soluble
MEK: Soluble



Appearance: White or off white flakes
Melting point: 247 -253 ˇăC
Assay: 99.0% min

Water content: 0.2% max
Phosphate content: 9.6% min


Plamtar-DOPO-HQ is a new phosphine halogen-free Flame retardant, for high quality epoxy resin such as PCB, to replace TBBA, or adhesive for semiconductor, PCB, LED and so on. Intermediate for synthesis of reactive Flame retardant




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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