Thiourea Dioxide

Sulfur dioxide pulse is a new and environmentally friendly product instead of insurance powder, with strong reducibility, obvious effect, good thermal stability, convenient storage and transportation, etc. Features, but also in the use of environmental protection and pollution-free.

Commodity name： Thiourea Dioxide

Category:

Printing and dyeing papermaking auxiliaries

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hongyechem@hongyechem.com

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Physical and Chenical

Other names：formamidine sulfinic acid

Appearance：white crystalline powder

Molecular formula：(NH₂)₂CSO₂

Molecular weight：108.12

Melting Point：126℃

PH：4(1%water solution)

CAS No. ：1758-73-2

Specification

Item	Standard
Purity (%)	≥ 99.0
Thiourea (%)	≤ 0.10
Moisture (%)	≤ 0.05
Fe(ppm)	≤ 10
Sulfate (%)	≤ 0.17

Uses

1. As an auxiliary for textile printing and dyeing, it is widely used in dyeing of vat dyes and sulfur dyes, bleaching of wool and silk, reduction cleaning of disperse dyes, stripping of undesirable dyeing of reactive dyes, cleaning of dye vats, etc.
2. As a pulp bleaching agent, it is used in pulp bleaching and waste paper deinking in the paper industry.
3. Other uses: It is used as a catalyst and stabilizer for synthetic resins in the polymer material industry; it is also used in fine chemicals such as organic synthetic photosensitive materials, pharmaceuticals, medicines, and spices, and in the recovery and separation of precious metals.

Use

Thiourea Dioxide is a new environmental-friendly agent which can be used in place of Sodium Hydrosulfite. It has better thermal stability and stronger reducing ability. Operation is simple and effective, transportation and storage are convenient.

Packaging

● 25kg or 50kg Woven bags
● 25kg Kraft paper bags

Special packing is also available upon request.

Storage

Stotage in dry clean,well-ventilated condition,keep the warehouse temperature under 30℃, keep away from moisture and sunshine.

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