China(Mainland)
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Thiourea Dioxide
Physical and chemical properties
CAS No. ：1758-73-2
Synonym: Thiourea S,S-dioxide
Appearance：White odorless crystalline powder
Molecular formula：CH4N₂O₂S
Molecular weight：108.12
Mp：126℃
Specification
Item | Standard |
Purity (%) | ≥ 99.0 |
Thiourea (%) | ≤ 0.10 |
Moisture (%) | ≤ 0.05 |
Fe(ppm) | ≤ 10 |
Sulfate (%) | ≤ 0.17 |
Features:
Thiourea Dioxide is a new environmentally friendly agent,formaldehyde-free & odorless, which can be used to replace sodium hydrosulfite. It has better thermal stability and stronger reducing ability. Operation is simple and effective. Transportation and storage are convenient.
Applications:
(1) Textile printing and dyeing industry: Used for reductive bleaching of cotton, linen, silk and other fibers; decolorization of post-dyeing wastewater; dyeing with vat dyes.
(2) Paper-making industry: Used for pulp bleaching and wastepaper deinking.
(3) Chemical synthesis: Used as a mild reducing agent in organic synthesis.
(4) Pharmaceutical industry: Used as a pharmaceutical intermediate in the synthesis of certain drugs.
(5) Water treatment industry: Used for wastewater treatment; used as a dechlorination agent.
(6) Polymer Industry: Used as an important chain transfer agent or molecular weight regulator in the production of acrylamide polymers.
(7) Photography Industry: Used for bleaching films/photographic paper.
Packages
● 25Kg plastic woven bags or kraft paper bags;
● 50Kg fiber drums;
● 80Kg pp woven IBC bags;
● 500Kg/1000Kg FIBCs.
Special packaging is also available upon request.
Storage
Store in dry, clean, well-ventilated warehouse,with a room temperature below 30℃, avoid moisture and direct sunlight exposure.