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A lustrous white crystalline compound, CH4N2S, the sulfur analog of urea, used as a developer in photography and photocopying and in various organic syntheses. Also called thiocarbamide.


(Elements & Compounds) a white water-soluble crystalline substance with a bitter taste that forms addition compounds with metal ions and is used in photographic fixing, rubber vulcanization, and the manufacture of synthetic resins. Formula: H2NCSNH2


(ˌθaɪ oʊ yʊˈri ə, -ˈyʊər i ə)

a colorless, solid substance, CH4N2S, used in photography and inorganic synthesis.
References in periodicals archive ?
In the present research project, Pd(II) complexes of thioureas and heterocyclic thiones with tris-4-cholorophenyl phosphine were synthesized.
Due to their reaction capabilities both as N-nucleophiles and S-nucleophiles, thioureas are successfully used in the synthesis of biologically active compounds.
It is well known from literatures that thioureas compounds exhibit a wide range of biological activities.
Compared with other racial groups, blacks appear to have higher rates of allergic contact dermatitis to thioureas, p-tert-butyl phenol-formaldehyde resin, cobalt chloride, and paraphenylenediamine, a component of dark hair dye.
Most people can taste a family of chemical compounds, thioureas, that are widely distributed in plants of the genus Brassica, including cabbage, cauliflower, brussels sprouts, turnips, rutabagas, and other common vegetables; to others of us, such compounds are tasteless.
The Environmental Protection Agency, for example, has never adequately regulated ethylene bisdithiocarbomates (EBDCs), the world's most popular fungicides, used on almost half the spinach, broccoli, tomatoes, lettuce and other leafy vegetables grown in the United States, Federal law allows products producing cancer risks as high as one in 1,000; proposition 65 stipulates one in 1,000, thus, warnings on California food products containing EBDCs -- and another carcinogen, ethylene thioureas (ETUs), made when EBDCs are cooked - would be inevitable.
Reguera, A Raman and Infrared Study of 1-furoyl-3-monosubstituted and 3,3-disubstituted thioureas.
Only a few accelerator families are available to achieve this task, including dithiophosphates, caprolactams, guanidines and thioureas.
Bhisma, It is "2-imino-4-thiazolidinones" and not Thiohydantoins as the Reaction Product of 1, 3-disubstituted Thioureas and Chloroacetylchloride.
Although lead is occasionally used for curing chloroprenes, the use of thioureas in this polymer group is still extensive.
Acyl thioureas are well- known for their pesticidal, antifungal and antiviral activities [16].
It has been reported that thioureas, on their own, do not vulcanize elastomers.