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Related Experiment Videos

Occupational dermatitis from Synacril Red 3b liquid (CI Basic Red 22).

S Sadhra1, P Duhra, I S Foulds

  • 1Institute of Occupational Health, University of Birmingham, UK.

Contact Dermatitis
|November 1, 1989
PubMed
Summary
This summary is machine-generated.

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A carpet factory worker developed severe hand dermatitis from handling dyed yarn. Patch testing revealed sensitivity to Basic Red 22 dye, indicating the dyestuff itself caused the allergic reaction.

Area of Science:

  • Dermatology
  • Occupational Health
  • Toxicology

Background:

  • Occupational exposure to textile dyes can lead to contact dermatitis.
  • Identifying specific allergens is crucial for managing workplace-related skin conditions.

Observation:

  • A carpet factory worker presented with severe hand dermatitis after handling freshly dyed yarn.
  • The patient had unprotected contact with warm, wet, dyed materials.

Findings:

  • Patch testing identified Synacril Red 3B liquid (Basic Red 22, CI 11055) as the sole causative agent.
  • Chemical analysis confirmed the dye's high purity (>95%), ruling out impurities as the cause of sensitization.

Implications:

  • Basic Red 22 dye itself can act as a sensitizer, causing allergic contact dermatitis.

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  • This highlights the need for appropriate personal protective equipment in dye-handling industries.
  • Further investigation into the allergenic potential of pure dyestuffs is warranted.