Thiourea dioxide
- Createtime： 2026-04-14
- Updatetime： 2026-04-15
Product Details
| useage |
Industrial use
|
| deliveryInfo |
|
| appearance |
powder
|
| Molecular Weight |
96.11
|
| aliasen |
|
| supplyCapacity |
50000MT/Month
|
| harbor |
Qingdao,China
|
| minorder |
1KG
|
| Appearance |
White crystalline powder
|
Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle Eas
Thiourea dioxide
CAS No.: 1758-73-2
Molecular Formula: CH4N2O2S
Molecular Weight: 96.11
Physical and Chemical Properties
- Appearance: White crystalline powder
- Melting Point: 126 °C (decomposition)
- Density: 2.25 g/cm3
- Solubility: Soluble in water; slightly soluble in ethanol; insoluble in ether, benzene and other organic solvents
- Odor: Odorless
- pH Value: 4.0 ~ 6.0 (1% aqueous solution)
- Stability: Stable under dry and low temperature conditions. Decomposes at high temperature, in acidic or alkaline solution, releasing harmful gas. Strong reducing property. Hygroscopic.
Application
- Textile industry: High-efficiency reducing bleaching agent for fabrics, replacing traditional sodium dithionite.
- Paper making & printing and dyeing: Used for pulp bleaching, color stripping and cleaning of printing and dyeing products.
- Chemical industry: Reducing agent and catalyst for organic synthesis and fine chemical production.
- Environmental treatment: Applied for wastewater decolorization and reduction treatment.
- Daily chemical: Used as auxiliary agent in detergent and cosmetic formula.
Storage Condition
Keep container tightly sealed. Store in cool, dry and well-ventilated place. Keep away from heat sources, direct sunlight, acids, alkalis and oxidants. Do not mix with combustible materials. Prevent moisture absorption.
Certificate of Analysis
| Item | Specification | Test Result | Method |
| Product Name | Thiourea dioxide | Compliant | Visual & Identification |
| CAS No. | 1758-73-2 | 1758-73-2 | Standard |
| Molecular Formula | CH4N2O2S | CH4N2O2S | Standard |
| Molecular Weight | 96.11 | 96.11 | Standard |
| Appearance | White crystalline powder | White crystalline powder | Visual Inspection |
| Main Content | ≥99.0% | 99.56% | Redox Titration |
| Loss on Drying | ≤0.30% | 0.12% | Gravimetric Method |
| Water Insoluble Matter | ≤0.10% | 0.04% | Gravimetric Method |
| Sulfate | ≤0.20% | 0.07% | Turbidimetric Method |
| Chloride | ≤80 ppm | <10 ppm | Turbidimetric Method |
| pH (1% Solution) | 4.0 ~ 6.0 | 5.1 | Potentiometric Method |
| Heavy Metals | ≤10 ppm | <3 ppm | Atomic Absorption Spectrometry |
