Thiourea dioxide COA 1758-73-2

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Thiourea dioxide COA 1758-73-2

Traits: White odorless crystal powder


EINECS: 217-157-8

Melting point: 124-127 ℃




Thiourea dioxide 

Thiourea dioxide is an alternative product of insurance powder, which has the characteristics of strong reducibility, good thermal stability, convenient storage and transportation. The product can be used as a reducing agent, a bleaching decoloring agent, a plastic stabilizer, an organic synthetic antioxidant and a sensitizing agent for a photosensitive material. It has been widely used in printing and dyeing, papermaking and other industries.


Test itemsTesting standard
AppearanceWhite crystal powder
Purity99% min.
Thiourea0.1% max.
Moisture0.05% max.
Sulfates0.17% max.
Fe0.001% max.

Use Of Thiourea dioxide:

1.Used as synthetic fiber auxiliaries, decolorizing agents, photographic film emulsifiers, chloroprene polymerization agents, and bismuth and bismuth separating agents, etc.

2.As a reducing agent, thiourea dioxide is widely used in the printing and dyeing industry for dyeing wool, reducing dyes and sulphur dyes, reducing detergents for dyeing disperse dyes, and decolorizing and decolorizing agents.

3.This product is also widely used in the production of fine chemical products such as medicines and spices.

4.A reagent for the reduction of a ketone to a secondary alcohol. Separate rare metals and strontium. Photographic latex sensitizer. PVC stabilizer.

5.Simple reagent for reducing ketone to secondary alcohol. It is widely used in chemical industry and textile industry. It is a strong reducing agent and is increasingly replacing the prominent position of insurance powder in the printing and dyeing field.

Package Of Thiourea dioxide:



Store in a dry, clean, well ventilated room at room temperature below 30 °C. Keep away from fire, heat and direct sunlight. Pay attention to moisture and rain. Keep the container sealed and note that the label is intact.

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