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Qingzhou Zhongyuan Chemical Industry Co., Ltd.

Thiourea Dioxide, Tdo Tud, Aminoiminomethanesulphinic Acid manufacturer / supplier in China, offering 99% Thiourea Dioxide (TDO) , Formamidinesulfinic Acid 99%, Used in Textile, Leather and Paper Making Industry, Aluminium Sulphate, Al2 (SO4) 3, for Water Effluent Treatment, Paper, Textile Industry, SHMP Sodium Hexametaphosphate, 68%, 65%, 60%, Factory Price, Water Softening Agent in Solution for Printing, Dyeing, and Boiler and so on.

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Supplier Homepage Product Inorganic Salts Others Inorganic Salts 99% Thiourea Dioxide (TDO) , Formamidinesulfinic Acid 99%, Used in Textile, Leather and Paper Making Industry

99% Thiourea Dioxide (TDO) , Formamidinesulfinic Acid 99%, Used in Textile, Leather and Paper Making Industry

FOB Price: US $1,900-2,500 / Ton
Min. Order: 22 Tons
Min. Order FOB Price
22 Tons US $1,900-2,500/ 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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Specifications
Thiourea Dioxide (TDO) 99%,
1. Free sample
2. Fast delivery
3. ISO/SGS/COA
4. Thiourea Dioxide cas: 1758-32-2
Thiourea Dioxide (TDO) 99%,

1. Characters:
Product Name: Thiourea Dioxide
MF: CH4N2SO2
Molecular weight: 108.12
CAS No. 1758-73-2, 4189-44-0
EINECS No.: 217-517-8
UN NO. 3341
Dangerous Class: 4.2
Other name: Formamidine Sulfinic Acid (FAS), TDO, TUD
Appearance: White crystal powder


2. Specifications:
ItemsStandard
Appearancewhite crystal powder
Purity: (%)≥ 99.0
Thiourea: (%)≤ 0.10
Moisture: (%)≤ 0.05
Iron(PPM)≤ 10
Sulphate: (%)≤ 0.17


3. Properties:
Thiourea is a stable compound with no strong reducing and oxidizing ability.

4. Usage:
TDO is a new kind of reducing agent that used as exchange of sodium hydrosulfite. It is widely used in textile and paper making industry. This product is also used in leather processing industry, paper, pulp and board industry, photographic industry, bleaching and reducing agents. This product is also a component of decolorisation agents. In macromolecule material industry, it is used as catalysis agent and stabilizer of resinic producing, and it is also used in organic synthesization of sensitizing material, and medicine, medicial, spicery materials in fine chemicals, and also can be applied in the recycling and separating of heavy metals.


SpecificationsSuperior qualityFirst-gradeQualified products
Thiourea (as(NH 2 ) 2 CS) %≥99.098.097.0
Heating loss%≤0.400.501.00
Ash content%≤0.100.150.30
Water insoluble %≤0.200.050.10
Thiocyanate(as CNS) %≤0.020.020.10
Melting point171170/
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