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The quality of all the TDO produced by our company implements the People's Republic of China chemical industry standards HG / T3258-2010. Details are as follows:
THIOUREA DIOXIDE STANDARD SPECIFICATIONS
| 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 |
2. By using new technological process, our thiourea dioxide crystalline granularity is more symmetrical and not easy to agglomerate. Our products also have good fluidity, great solubility and strong reducibility. They have been exported to the USA, Japan, Korea, Europe and other dozens of countries and regions. Details about TDO are as follows:
INFORMATION OF TDO
| CHEMICAL NAME Formamidine Sulfinic Acid or aminoiminomethanesulfinic acid |
TRADE NAME Thiourea Dioxide |
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| UN NO.:3341 |
Molecular Formula: CH4N2O2S |
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| CAS NO.: 1758-73-2 |
Molecular Weight: 108.12 |
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| Physical and chemical properties and main hazardous properties |
White or light yellow crystal powder, high reducibility when heating or in alkaline solutin, strong decomposition and releasing poisonous gas above 100 degrees. |
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| Purpose of the product
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TDO is a new-type, environmentally friendly products, it is non-toxic, stable, and tasteless. It is used as a substitute of sodium hydrosulfite or rongalite. As efficient reducing agent, bleaching and decoloring agent, Stabilizer for plastic, antidoxidant, sensibilizer, pharmaceutical intermediate, they have been widely used in textile printing and dyeing, papermaking, plastic, the synthesis of organic compounds, film industries, pharmaceutical industries, water treatment, etc. |
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| Packaging |
25kg plastic bags, 20MT/20' container |
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| Storage |
Store 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 unlabelled 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. |
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