Decabromodiphenyl Ethane (DBDPE,CAS: 84852-53-9)

Decabromodiphenyl Ethane (DBDPE, CAS: 84852-53-9) is a brominated flame retardant (BFR).It is a widely used additive flame retardant with high bromine content, good thermal stability, excellent UV resistance, and lower exudation compared to other bromine based flame retardants. It is suitable for polyethylene and polypropylene, ABS, The flame retardancy of polymers such as epoxy resin, elastomers, adhesives, and sealants is particularly suitable for the flame retardancy of electronic and electrical products,Here’s a concise overview:

Key Properties:

- Chemical Formula: C14H4Br10  

- Molecular Weight: 971.22 g/mol  

- Appearance: White to off-white powder  

- Bromine Content: ~82% (high efficacy as a flame retardant)  

- Thermal Stability: Decomposes at ~300–400°C.  

Applications:

- Used in polymers (e.g., HIPS, ABS, polyolefins), wire/cable coatings, and electronic enclosures.  

- Alternative to DecaBDE (banned/restricted in many regions due to toxicity concerns).  

-Adding 12.5% mass fraction of decabromodiphenyl ethane and 4.2% antimony trioxide can achieve UL94 V-0 grade for ABS

Regulatory Status:

- Not classified as POP (Persistent Organic Pollutant) under the Stockholm Convention (unlike DecaBDE).  

- EU: Registered under REACH; no major restrictions but under scrutiny.  

- U.S.: EPA evaluates risks but no federal ban.  

- China: Major producer; complies with local environmental standards.  

Environmental & Health Concerns:

- Persistence: Potential bioaccumulation in ecosystems.  

- Toxicity: Limited data, but some studies suggest possible endocrine disruption.  

- Replacement: Alternatives like polymeric BFRs or non-halogenated retardants (e.g., phosphates) are being explored.  

Handling & Safety:

- PPE: Gloves, goggles, and dust masks recommended during handling.  

- Storage: Dry, cool place away from oxidizers.  

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