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What is Thiourea and How to Buy Thiourea ?

Views: 17     Author: Site Editor     Publish Time: 2022-07-19      Origin: Site


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1. What is Thiourea?

Thiourea is an organosulfur compound with the chemical formula CH4N2S. It is also known as thiocarbamide due to its structural resemblance to urea. Thiourea is a white crystalline solid that is soluble in water and alcohol. This compound has garnered significant attention for its diverse properties, making it an invaluable substance in various fields.


2. The Molecular Structure of Thiourea

The molecular structure of thiourea is intriguing, featuring a carbonyl group (C=O) and a thiocarbonyl group (C=S). This unique arrangement imparts distinctive characteristics to the compound, contributing to its widespread use across industries.

3. Properties of Thiourea

3.1 Physical Properties

Thiourea exhibits several noteworthy physical properties, such as high melting and boiling points, making it stable under standard conditions. Additionally, it has a remarkable solubility in water, which enhances its versatility in various applications.

3.2 Chemical Properties

The chemical properties of thiourea are equally fascinating. It is a reducing agent and can form coordination complexes with metal ions, leading to its significance in analytical chemistry and electroplating.

4. Synthesis of Thiourea

Thiourea can be synthesized through various methods, including the reaction between ammonium thiocyanate and hydrogen peroxide. Alternatively, it can be produced by treating ammonium thiocyanate with a solution of sulfide salts.

5. Industrial Applications of Thiourea

5.1 Agriculture

In agriculture, thiourea serves as a plant growth regulator, stimulating seed germination and enhancing crop yield. Additionally, it aids in nitrogen metabolism, benefiting the overall health of plants.

5.2 Pharmaceuticals

The pharmaceutical industry utilizes thiourea in the synthesis of various drugs, especially those related to diabetes and thyroid disorders. Its ability to form complexes with metal ions is instrumental in drug development.

5.3 Textile Industry

Thiourea finds application in the textile industry as a bleaching agent for cotton and wool. Its mild and selective bleaching properties make it an attractive choice for fabric treatment.

5.4 Photography

Thiourea plays a vital role in photography as a fixing agent. It is used to remove excess silver halide from photographic prints, ensuring image stability and preventing fading.

6. Thiourea in Analytical Chemistry

6.1 Precipitation Reagent

Thiourea is employed as a precipitation reagent in chemical analysis. Its ability to form soluble complexes with metal ions allows the selective separation and identification of certain elements.

6.2 Complexometric Titration

In complexometric titration, thiourea acts as a complexing agent, forming stable complexes with metal ions. This technique is valuable in determining metal concentrations in various samples.

6.3 Electroplating

The electroplating industry utilizes thiourea in electroplating baths, facilitating the deposition of metals like silver, gold, and copper on various substrates.

7. Environmental and Health Considerations

7.1 Environmental Impact

While thiourea has many valuable applications, it is essential to consider its environmental impact. The compound is toxic to aquatic life, and its disposal must be handled with care to prevent ecological harm.

7.2 Health and Safety Precautions

Thiourea can cause skin and eye irritation in concentrated forms. Therefore, proper safety measures and protective gear are essential when handling this compound.

8. Future Prospects and Research Trends

As research continues, new applications and uses for thiourea are likely to emerge. Its unique properties make it an exciting area of study for scientists and researchers across diverse fields.

Thiourea factory pictureThioruea factory picture 1


In conclusion, thiourea is a remarkably versatile compound with wide-ranging applications in agriculture, pharmaceuticals, textiles, photography, and analytical chemistry. Its distinctive properties and molecular structure make it a valuable component in various industrial processes. However, it is crucial to handle thiourea with care, considering its environmental impact and potential health hazards.


  1. Is thiourea the same as urea?

    No, thiourea and urea are structurally similar but have distinct chemical properties and applications.

  2. Can thiourea be harmful to human health?

    Yes, concentrated forms of thiourea can cause skin and eye irritation, so proper precautions are necessary during handling.

  3. What industries use thiourea the most?

    Thiourea finds significant use in agriculture, pharmaceuticals, textile, and electroplating industries.

  4. How is thiourea synthesized in the laboratory?

    Thiourea can be synthesized by reacting ammonium thiocyanate with hydrogen peroxide or sulfide salts.

  5. Does thiourea have any environmental impact?

    Yes, thiourea can be toxic to aquatic life, and its disposal should be managed responsibly to avoid environmental harm.

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