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Qingzhou Zhongyuan Chemical Industry Co., Ltd.

Thiourea Dioxide, Tdo Tud, Aminoiminomethanesulphinic Acid manufacturer / supplier in China, offering Tdo Tuo 99%, Thiourea Dioxide, Used for Bleaching of Recycled Paper, Clearing Commercial Dyes, Ammonium Sulphate 20.5~21%, Nitrogen Fertilizer, Industrial Grade, Carbon Black, Black Pigment, Applied to Various Rubber Products Such as Tyres, Rubber Overshoes, Cable, Seal Ring, Tape etc. and so on.

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Supplier Homepage Product Inorganic Salts Others Inorganic Salts Tdo Tuo 99%, Thiourea Dioxide, Used for Bleaching of Recycled Paper, Clearing Commercial Dyes

Tdo Tuo 99%, Thiourea Dioxide, Used for Bleaching of Recycled Paper, Clearing Commercial Dyes

FOB Price: US $1,800-2,300 / Ton
Min. Order: 22 Tons
Min. Order FOB Price
22 Tons US $1,800-2,300/ Ton
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Production Capacity: 800tons/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
1. Character:
Byname: Methanesulfinic acid, TDO, formamidine sulfinic acid, FAS
Appearance: White crystalline powder
Dangerous Goods Class: 4.2


2. Specification:
Standard: HG/T 3258--2001

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


3. Uses:
Thiourea dioxide is to replace insurance powder's a new product, can be used as reductant, Bleaching decoloring agents, plastic stabilizers, organic synthetic antioxidants and photographic materials sensitization agents, in printing and dyeing, papermaking already to the widespread.


4. Application:
1)As the textile auxiliaries, this product widely applies in the reduction of dyes and vulcanization's dyeing, wool silk bleaching scattered, dye fabric of reduction, various shading fiber color processing, pot cleaning, etc.

2)As deinking pulp bleaching (FAS) effect significantly, applied in paper industry of paper pulp bleaching, waste paper deinking pulp, prevent yellow.

3)In polymer materials industry as: Synthetic resin catalyst, stabilizer, photographic exposure stabilizer, medicine, pharmacy, spices and in fine chemicals, precious metal recycle and separation methods are useful.


5. Packing:
25kg woven bags with plastic lining, or according to customer's request


6. Storage:
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Stored in a cool, dry, well-ventilated area. Away from incompatible substances. Store protected from moisture.


Product NameThioureaCAS NO.62-56-6
Reference StandardHG/T3266-2002
Test ItemSpecification
Purity≥99.00%
Loss On heating≤0.40%
Ash≤0.10%
Insolubility In Water≤0.02%
Sulforhodanide(with CNS-)≤0.02%
Melting Point171°C
 
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