Thiourea is used as a photographic fixing agent, as well as, an antioxident in the manufacture of rubber, especially neoprene. It is also used as a coating in some copy papers to prevent yellowing.


Always check product labels and use only ingredient labeled products that do not list this chemical or its synonyms.

It may take 2 to 3 weeks of avoiding exposure before improvement of your eruption begins.

Other names you may see this chemical listed as:
  Dibutylthiourea (DBTU)
  Diethylthiourea (DTU)
  Dimethylthiourea (DMTU)
  Diphenylthiourea (DPTU)
  Ethylbutylthiourea (EBTU)
  Ethylenethiourea (ETU)
  Tetramethyl thiuram disulfide

Possible Occupational Exposures:
    Photographic Process machine Operator
    Metal Plating Machine Operators
    Drafting Occupations
    Chemical Technicians
Mixed Dialkyl Thiourea
Contact Allergy Links
Where is it found?
What is it?
Hints on avoiding:
Adhesive tape backing
Blue prints
Diazo Copy paper
Elastic in clothing
Equipment for handling/dumping oil at sea
Fire protection suits
Glue remover.
Industrial detergents
Metal pickling solutions
Neoprene foam weather strips used in cars
Paint remover
Shoes insoles
Silver polish
Textile cutting patterns duplicated by Diazo paper processing
Wet suits

Contact Allergen Database

This information is provided as educational only and is
not intended to substitute for medical care or recommendations by a physician.