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Product Line: Catalysts & Auxiliaries

6H-Dibenz[c,e][1,2]oxaphosphorin, 6-oxide

CAS 35948-25-5

Molecular structure of 6H-Dibenz[c,e][1,2]oxaphosphorin, 6-oxide

CAS · 35948-25-5

01

Product Overview

6H-Dibenz[c,e][1,2]oxaphosphorin, 6-oxide丨35948-25-5 is a phosphorus-based flame retardant widely used in plastics, textiles, coatings, and electronics. Its high thermal stability and low toxicity make it an effective additive for enhancing fire resistance in various materials.

02

Product Specifications

Property Specification
Appearance White Flake or Powder
Content (HPLC) 99.5% Min
OPP Content (HPLC) 1000 ppm Max
Melting Point 116-120℃
Water Absorption Rate 0.3% Max
Acid Value 300 Max
Colority of Melt (APHA) 100 Max
03

Applications

1. Flame Retardant for Polymers

● Used in polycarbonate (PC), epoxy resins, and polyurethane (PU) foams to improve fire resistance.

● Commonly applied in plastics for automotive, construction, and electronics industries.

2. Coatings and Adhesives

● Incorporated into paints, varnishes, and adhesives to enhance flame retardant properties.

● Used in protective coatings for wood, textiles, and furniture.

3. Electronic and Electrical Applications

● Essential in printed circuit boards (PCBs), connectors, and casings for fire safety compliance.

● Used in insulation materials for electrical wiring.

4. Research and Specialty Chemicals

● Investigated for developing next-generation flame retardants with lower environmental impact.

● Used as an intermediate in organophosphorus chemistry.

04

Benefits

1. Highly Effective Flame Retardant

● Enhances thermal stability and fire resistance of polymeric materials.

2. Environmentally Friendly Alternative

● Lower toxicity compared to halogenated flame retardants, reducing harmful emissions.

3. Improves Mechanical Properties

● Maintains the strength, durability, and flexibility of treated materials.

4. Stable and Versatile

● Compatible with various polymers and coating systems without compromising performance.

05

Conclusion

6H-Dibenz[c,e][1,2]oxaphosphorin, 6-oxide丨35948-25-5 is a highly efficient, non-halogenated flame retardant with broad applications in plastics, coatings, electronics, and research. Its fire resistance, environmental safety, and material compatibility make it a valuable compound for industrial and commercial use.

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