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BroShield® 5220

Chemical Name
2,2-Bis(bromomethyl)propane-1,3-diol, 22-Bis(bromomethyl)propane-13-diol
Chemical Family
Alkyl Halides

BroShield® 5220 is a reactive flame retardant comprising 60% aliphatic bromine. It proves exceptionally effective as a reactive flame retardant for polyurethanes and unsaturated polyesters. Its elevated bromine content, coupled with outstanding light stability and chemical resistance properties, establishes it as a favorable choice over halogenated anhydride flame retardants.

Properties

Physical Form
Powder

Product families

Plastics — Polymer Additives
  • Flame Retardants

Other characteristics

Brand
BroShield
Synonyms

1,3-Dibromo-2,2-bis(hydroxymethyl)propane, 1,3-Dibromo-2,2-dihydroxymethylpropane, 1,3-Dibromo-2,2-dimethylolpropane, 2,2-Bis(bromomethyl)-1,3-propanediol, 2,2-Dibromomethyl-1,3-propanediol, Dibromoneopentyl glycol, NSC 9001, Pentaerythritol dibromide, Pentaerythritol dibromohydrin

Functions
Flame Retardant
Compatible Polymers & Resins
Polyesters, Polyurethanes (PU)
PACKAGING

Standard packages include 25 kg bags or 1,000 kg super sacks.

Appearance
White to off white flakes
Applications

BroShield® 5220 is a very effective reactive flame retardant for polyurethanes and unsaturated polyesters. The high bromine content, excellent light stability, and chemical resistance properties make it a suitable choice over halogenated anhydride flame retardants.

Technology
Plastics
Packaging Type
  • Bags
  • Super Sacks
Health and Safety

The use of proper protective equipment is recommended.; Excess exposure to the product should be avoided.; Please wash thoroughly after handling.; Store the product in a cool, dry, wellventilated area, away from incompatible materials.

Chemical Structure
Dibromoneopentyl Glycol
Material Features
  • Chemical Resistant
  • Excellent Light Stability
  • Flame Retardant
  • Good UV Stability
Chemical Inventories
TSCA (USA)
Certifications and Compliance
  • California Proposition 65
  • SARA 313
Compatible Polymers and Resins
  • Polyesters
  • Polyurethanes (PU)
Plastics and Elastomers Functions
Flame Retardant

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