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Qingzhou Zhongyuan Chemical Industry Co., Ltd.

Thiourea Dioxide, Tdo Tud, Aminoiminomethanesulphinic Acid manufacturer / supplier in China, offering 99% Tdo Tud, Thiourea Dioxide for Dyeing, Paper Making, Leath Treatment, as Deinking Pulp Bleaching,, 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 99% Tdo Tud, Thiourea Dioxide for Dyeing, Paper Making, Leath Treatment, as Deinking Pulp Bleaching,

99% Tdo Tud, Thiourea Dioxide for Dyeing, Paper Making, Leath Treatment, as Deinking Pulp Bleaching,

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: 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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Product information
M F: (NH2)2CSO2
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

Packing:
25kg plastic woven bags/25kg kraft bags, 50kg fiber drums with double inner plastic bags


Items                             Standard
Appearance             White crystal powder
Purity: (%)                    ≥ 99.0
Thiourea: (%)               ≤ 0.10
Moisture: (%)               ≤ 0.05
Iron(PPM)                     ≤ 10
Sulphate: (%)               ≤ 0.17


3. Applications:
1. Pulper bleaching of recycled paper.
2. Single stage bleaching of recycled paper.
3. Sequential stage bleaching of recycled paper.
4. Solubilizing Vat dyes.
5. Clearing commercial dyes.
6. Reductive bleaching of minerals (primarily Calcium Carbonate).
7. Replacing sodium hydrosulfite in all above applications.


Storage:
In a cool (below 30° C ), dry, well ventilated area away from all source of ignition and out of direct sunlight. Keep away from incompatible materials.
Keep containers tightly closed.
Do not store in unlabeled or mislabeled containers.
Protect from moisture.
Do not store near combustible materials.
Keep containers well sealed, seal only with original vent cap.
Ensure pressure relief and adequate ventilation.
Store separately from organics and reducing materials.
Avoid contamination which may lead to decomposition


ItemsStandard HG/T 3258--2001
Appearancewhite crystal powder
Purity :(%)≥99.0
Thiourea: (%)≤0.10
Moisture: (%)≤0.05
Iron(PPM)≤10
Sulphate: (%)≤0.17
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