DOPO flame retardant (CAS 35948-25-5), chemical name 9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, is high purity reactive halogen-free organophosphorus crystalline powder. It fully meets RoHS and REACH compliance requirements for electronic materials. Its active P-H functional group chemically bonds into epoxy polymer network during curing, eliminating migration and blooming issues. Supplied factory directly, this DOPO grade is widely adopted for epoxy resin and copper clad laminate manuf

Product Detail

Product DetailsChemical IdentityProduct Name: 9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, DOPO CAS No.: 35948-25-5 Chemical Type: Reactive halogen-free organophosphorus compound Physical Form: White crystalline powder Core Feature: RoHS REACH compliant, high purity reactive phosphorus, factory direct for epoxy and CCL

Key Performance & TDSThis high purity DOPO has low impurity content, minimizing adverse effects on dielectric properties and thermal stability of copper clad laminates. The reactive P-H group participates in epoxy crosslinking reaction and locks phosphorus within the polymer backbone permanently. It delivers excellent flame inhibition and helps epoxy CCL substrates achieve UL94 V-0 rating. It features high thermal stability and high glass transition temperature to endure high-temperature pressing and soldering processes in PCB production. Halogen-free formulation generates low smoke and no corrosive halogen gas during combustion. Full RoHS and REACH documentation is available to satisfy overseas audit and customs requirements. Consistent particle size ensures uniform dispersion inside epoxy resin during compounding.

Applications

Copper clad laminate epoxy resin system
Prepreg resin for halogen-free PCB substrates
Thermosetting epoxy for electronic base materials
High-performance epoxy resin requiring RoHS REACH certification
Factory bulk raw material supply for CCL manufacturers

ComplianceThis DOPO flame retardant complies with RoHS and REACH regulations. Complete test reports and compliance documents can be provided for global customers.

Why Choose JSYWe provide factory direct high purity DOPO flame retardant for epoxy and CCL. Stable batch quality, full compliance documentation, competitive pricing, flexible MOQ and professional formulation technical support for copper clad laminate and electronic epoxy manufacturers.

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DOPO Flame Retardant RoHS REACH CAS 35948-25-5, High Purity Reactive Phosphorus for Epoxy CCL Factory Direct

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Jishengya Technology

Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.