Thiourea Dioxide, Tdo 99%, Used as Reductant, Bleaching Decoloring Agents, Plastic Stabilizers, Organic Synthetic Antioxidants

CAS No.: 1758-73-2, 1758-73-2 / 4189-44-0
Classification: Thiourea Dioxide
Grade Standard: Industrial Grade
Kind: Thiourea Dioxide
Quality: First Class
Einecs No: 217-157-8
Customization:

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Basic Info.

Model NO.
99%
Chemical Formula
CH4n2o2s
Transport Package
Plastic Bags 25kg/1000kg, 50kg Fiber Drums,
Specification
SGS, HG/T3266-2002,
Trademark
LY
Origin
Shangdong
HS Code
29309090
Production Capacity
800 Tons/Month

Product Description

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Specifications

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:
Items                              Standard
Appearance              white 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.


ITEM

Standard Specifications

APPEARANCE

White Crystal Powder

PURITY

≥99.00%

THIOUREA RESIDUAL

≤0.10%

SO4

≤0.17%

MOISTURE

≤0.05%

IRON CONTENT

≤0.001%

QUALITY STABILITY

Stable at 80°C/2 hours
 

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