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Thiourea buy in Ust-Kamenogorsk
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Description

Thiourea — CS(NH2)2 — a thiocarbamide, hydrazine of thiocoal acid.

Represents white crystals with bitter taste. Moderately a rastvorima in water, methanol, pyridine, it is good — in 50 percentage water pyridine. It is insoluble in ethyl oxide, benzene, CCl4.

Thiourea is received:

  • interaction of H2S hydrogen sulfide with NH2CN cyanamide;
  • ammonium thiocyanate heating to 170 °C;
  • interaction of carbon sulfur with ammonia or a carbonate of ammonium at 160 °C.

Thiourea is applied to organic synthesis when receiving drugs, in synthesis thiofishing (merkaptan), dyes, synthetic pitches, to division of paraffin, a flotoagent, as reagent for photometric definition of Ru, Os, Re, Bi.

Also it is used in many pyrotechnic products: simulators of explosions, flashes, color smokes.

Thiourea possesses fungicide action.

Thiourea is poisonous. During the work with it it is necessary to protect open parts of a body and respiratory organs. At numerous impact on an organism oppresses functions of a thyroid gland, bodies of blood formation, reduces activity of a number of enzymes of tissue respiration.

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