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Thiourea Product name: ThioureaCAS Number: 62-56-6EINECS Code: 200-543-5Alternative name: 2-ThioureaFormula: CH4N2SMolecular
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Product Details



Product name: Thiourea

CAS Number: 62-56-6

EINECS Code: 200-543-5

Alternative name: 2-Thiourea

Formula: CH4N2S

Molecular Weight: 76.12

Appearance: White Crystaline

Boiling point: 171°C

Melting point: 263°C

Density: 1.405g/cm3

Regular Packing: 25kg/bag


what is thiourea?


Thiourea (/ˌθaɪoʊjʊəˈriːə/) is an organosulfur compound with the formula SC(NH2)2. It is structurally similar to urea, except that the oxygen atom is replaced by a sulfur atom, but the properties of urea and thiourea differ significantly. Thiourea is a reagent in organic synthesis.


What are the uses of thiourea?


Thiourea is used as an auxiliary agent in diazo paper, light-sensitive photocopy paper and almost all other types of copy paper. It is also used to tone silver-gelatin photographic prints.


What is the difference between urea and thiourea?


Urea and thiourea are organic compounds having a carbon atom bonded to two amine groups. The key difference between urea and thiourea is that urea does not contain sulfur atoms, whereas thiourea contains sulfur atoms.

What are thiourea drugs?

Thiourea was the drug initially used to treat Graves' disease; however, it had considerable toxicity. Second-generation drugs and derivatives such as propylthiouracil and methylthiouracil, methimazole, and carbimazole have less toxicity.


why is thiourea use in silver cleaner?


In general, cleaning with acidified thiourea is preferred over abrasive cleaning. Thiourea chemically dissolves silver sulfide (tarnish). ... The solution takes approximately one minute to dissolve the tarnish. After several minutes of light rubbing or brushing, rinse the silver to avoid redeposition of tarnish.


What is the nitrogen content in thiourea?

The percentages of nitrogen and sulfur in all the samples synthesized from thiourea were roughly 5–20 wt. % and 3–8 wt. % even after washing with hot water, respectively.