Hangzhou Ruijiang Chemical Co., Ltd.

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Thiourea Dioxide

Thiourea Dioxide	Thiourea Dioxide
Place of Origin	China (Mainland)

Payment Terms:	L/C,D/A,D/P,T/T

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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: 126C
PH: 4(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:
500kgs or 1000kgs container bags.
50kgs fiber drums
180kgs Iron Drum
25kg or 50kg woven ags.
6. Storage:
Storage in dry clean, well-ventilated condition, keep the
warehouse temperature under 30C. Keep away from
moisture and raining.