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OPP Water Treatment Powder Orthophenylphenol CAS 90-43-7 For Bactericidal Preservatives

Categories Water Treatment Agent
Brand Name: TROZU
Model Number: OPP
Certification: REACH
Place of Origin: CHINA
MOQ: 1
Payment Terms: T/T, Western Union
Delivery Time: 5-8day
Packaging Details: 25KG
Appearance: white powder
Purity: 99.8%
CAS: 90-43-7
name: Ortho Phenyl Phenol
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OPP Water Treatment Powder Orthophenylphenol CAS 90-43-7 For Bactericidal Preservatives

O-Phenyl phenol OPP CAS90-43-7 use for bactericidal preservatives and dye intermediates


It can be used as carrier, surfactant, bactericide and preservative, dye intermediate for hydrophobic synthetic fibers such as polyvinyl chloride and polyester dyed by carrier dyeing method. In Japan, 2- hydroxy biphenyl and sodium salt are used in mould proofing of citrus. 0.8% of this product is mixed with wax in the wax, and it can also be used with the biphenyl in the harvested oranges, so that the rotten orchid can be minimized. The range of fruit permitted in Britain, the United States and Canada is wider.

Dowcide1, Preventol O Extra,Nipacide OPP


Chinese Name: ortho phenyl phenol

English name O-Phenyl phenol

Chinese alias 2-hydroxybenzene; 2-phenylphenol; (1,1'-diphenyl) -2-phenol; phenylphenol; o-phenylphenol; o-hydroxybenzene; o-hydroxybenzene, 2-phenylphenol; OPP

CAS RN 90-43-7

EINECS 201-993-5

Molecular formula C12H10O

Molecular weight 170.2072

Physicochemical properties

Melting point: 57oC

Boiling point: 282 oC

Density: 1.213

Flash point: 123oC

Water solubility: <0.01 g/100 mL at 20.5 C

Appearance: white crystal or flaky solid.


Synthesis of new phosphorus containing flame retardant materials

As the polymer containing organophosphorus compounds will form graphite-like carbonization film on the surface of the material when burning, which will isolate the polymer from air, have good flame retardant performance, high flame retardant efficiency, low volatility, good oil resistance and hydrolysis resistance, and will gradually replace the inorganic and containing materials used today. Halogen flame retardant materials. DOPO, a new flame retardant intermediate containing phosphorus, can be synthesized from ortho phenyl phenol.

(1) synthetic flame retardant polyester

DOPO reacts with itaconic acid to form intermediate ODOP-BDA, which can partly replace ethylene glycol to obtain a new phosphorus-containing flame retardant polyester. The results showed that when the phosphorus content in PET and PEN reached 0.75% and 0.5%, respectively, the flame retardant effect of polyester was good. In 2012, the world's annual production of polyester has reached more than 30 million tons. If 5% of them are phosphorus-containing flame-retardant polyesters, they need more than 50,000 t/a of o-phenylphenol.

(2) synthetic flame retardant epoxy resin

Epoxy resin is widely used in adhesives, electronic instruments, aerospace, coatings and advanced composite materials because of its excellent bonding and electrical insulation properties. In 2004, the world consumption of epoxy resin has reached more than 200,000 tons per year. DOPO reacts with benzoquinone to form ODOPB, which partly replaces bisphenol A to form a new flame retardant epoxy resin. The results show that the flame retardant effect of the newly synthesized phosphorus-containing epoxy resin is better than that of the Br flame retardant epoxy resin with 17.26% P content at 2.1% without smoke and thermal stability than that of the epoxy resin without flame retardant.


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