Key Specifications/Special Features:

• Product Description
• 1. Physical and Chemical
• Property Name: Thiourea Dioxide
• Other Name: Formamidine Sulfinic Acid, Amino Imino Methanesulfinic Acid
• Appearance and Odor: White Crystal Powder, Odorless
• Formula: CH4N2SO2
• Molecular Weight: 108.12
• Melting Point: 126deg. C
• pH: 5(1% Solution)
• CAS No.: 1578-73-2 or 4189-44-0
• UN No.: 3341
• Dangerous Good Class: 4.2
• 2. Specification
• Purity: 99% Min
• Thiourea: 0.10% Max
• Moisture: 0.05% Max
• Iron(Fe): 10ppm Max
• Sulphate: 0.17% Max
• 3. Use
• It is one new kind environmental-protection agent which can be used as exchange of Sodium Hydrosulfite. It has good heat stability, high reducibility, easy operation and transportation and storage convenient. It widely applies to reduction dyes and sulfur dyes dyeing, wool and silk bleaching, disperse dyes reducing cleaning, dye vat cleaning and so on. And its also used in paper making industry as bleaching agent, deinking, waste paper deink, etc. And then its used to organic synthesis in synthetic fiber industry, additive of polythene sensitizer of photographical emulsion, noble metal recycling and separates, etc. There is no pollution during the operation.
• 4. Packing and Storage:
• In 500kgs or 1000kgs container bags/50kgs fiber drums/180kgs Iron Drum/25kg or 50kg woven bags.
• Storage in dry clean, well-ventilated condition, keep the warehouse temperature under 30 deg. C. Keep away from moisture and raining.