You have shown a positive allergic reaction to 1,4-butanediol dimethacrylate. You should avoid contact with this substance. Information about this substance is below.

What is it?
1,4-Butanediol Dimethacrylate is a cross-linking methacrylate monomer  used mostly in making plastic and in making glues. Industrial processes with risk of exposure are manufacturers of plastic composites. The composites industry is characterized by the use of expensive, high-performance resin systems and high-strength, high-stiffness fiber reinforcement. The aerospace industry, including military and commercial aircraft of all types, is the major customer for advanced composites. These materials have also been adopted for use by the sporting goods suppliers who sell high-performance equipment to the golf, tennis, fishing, and archery markets.

What is a monomer?
It is a single molecule that has the ability to combine with identical or similar molecules, a process also known as polymerization. Allergic contact dermatitis and asthma are the occupational diseases most likely to be encountered in this industry.

How do I avoid it?
You need to avoid touching plastics and glues as they are being made, that is, avoid contact during the manufacturing of any plastics or glues. Interestingly, once the plastics and glues are made, you can touch them without problems. The technical language for this is as follows:Avoidance of the Monomer (unreacted chemical) is necessary to prevent recurrent allergic contact dermatitis. The full polymerized (reacted) monomer is no longer a sensitizer. There is often residual free monomer available, particularly with self-curing rather than heat-cured or ultraviolet light-cured preparations. Cross-sensitization occurs among acrylic monomers, which makes switching from one monomer to another often unsuccessful in avoiding allergic contact dermatitis. Rubber gloves do not prevent penetration of acrylate monomers.

Uses:
  • Artificial nail builders
  • Adhesives
  • Dental composite material
  • Denture base polymers
  • Sealants
  • Prostheses

Other names for 1,4-butanediol dimethacrylate:
  • BUDMA 
  • 1,4-Butylene dimethacrylate 
  • 2-Propenoic acid, 2-methyl-, 1,4-butanediyl ester 
  • 1,4-Butanediol dimethacrylate 
  • Tetramethylene glycol dimethacrylate 
  • BISOMER BDDMA
  • 1,4-Butylene dimethacrylate
  • 1,4-Butylene glycol dimethacrylate
  • Butanediol dimethacrylate
  • Butylene dimethacrylate
  • Methacrylic acid tetramethylene ester
  • Oligotetramethylene glycol dimethacrylate
  • Tetramethylene dimethacrylate
  • Tetramethylene glycol dimethacrylate
  • Tetramethylene methacrylate

Potential cross-reacting/co-reacting substances:
  • Other acrylates

How safe is it?

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