Gold Member Since 2014
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Qingzhou Zhongyuan Chemical Industry Co., Ltd.

Thiourea Dioxide, Tdo Tud, Aminoiminomethanesulphinic Acid manufacturer / supplier in China, offering Thiourea Dioxide 99.0%, Tdo, Used in Leather, Pulp and Board, Waste Paper Deinking, Photographical, Bleaching Industry, Ammonium Sulphate 20.5~21%, Nitrogen Fertilizer, Industrial Grade, High Colour Intensity Carbon Black on Sale, Using in Rubber Industry, Painting, Printing Ink, Ni-MH Battery′s Cathode and so on.

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Supplier Homepage Product Inorganic Salts Others Inorganic Salts Thiourea Dioxide 99.0%, Tdo, Used in Leather, Pulp and Board, Waste Paper Deinking, Photographical, Bleaching Industry

Thiourea Dioxide 99.0%, Tdo, Used in Leather, Pulp and Board, Waste Paper Deinking, Photographical, Bleaching Industry

FOB Price: US $1,900-2,300 / Ton
Min. Order: 22 Tons
Min. Order FOB Price
22 Tons US $1,900-2,300/ Ton
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Production Capacity: 800 Tons/Month
Transport Package: Plastic Bags 25kg/1000kg, 50kg Fiber Drums,
Payment Terms: L/C, T/T, Money Gram, Western Union

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Basic Info
  • Model NO.: 99%
  • Grade Standard: Industrial Grade
  • Quality: First Class
  • Einecs No: 217-157-8
  • Trademark: LY
  • Origin: Shangdong
  • Classification: Thiourea Dioxide
  • Kind: Thiourea Dioxide
  • CAS No.: 1758-73-2 / 4189-44-0
  • Chemical Formula: CH4n2o2s
  • Specification: SGS, HG/T3266-2002,
  • HS Code: 29309090
Product Description
Our advantage:
1. Factory price,
2. Good Quality,
3. Free sample,
4. ISO Cerficate,
5. A long stable supplier,
6. Good support to you
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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 leaching, 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.


Standard CharacteristicStandard
Results of Analysis
Purity
≥ 99.0%

99.32

Moisture

≤ 0.05%
0.025

Thiourea

≤ 0.10%

0.051

Iron

≤ 10ppm

4PPM

Sulphate

≤ 0.17%

0.12
 
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