Description: Thiourea Dioxide
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: 126
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. Period of Validity: 1Year
5.
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. Keep away from moisture and raining.
| Place of Origin: | China(Mainland) |
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| Payment Terms : | L/C T/T D/P |
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| Price Terms : | FOB |