Home > News > Content

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

Jul 20, 2018

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

Model NO.: 99%

Chemical Formula: CH4n2o2s

Organic Peroxides Specification: SGS, HG/T3266-2002,

Origin: Shangdong

HS Code: 29309090

99% Thiourea Dioxide (TDO) , Formamidinesulfinic Acid 99%, Used in Textile, Leather and Paper Making Industry 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
```````````````````````````````````````````````````````````````````````````````````````
Organic Peroxides 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. Organic Peroxides 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. 99% Thiourea Dioxide (TDO) , Formamidinesulfinic Acid 99%, Used in Textile, Leather and Paper Making Industry 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/


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