Sell Thiourea Dioxide 99%

Formula: (NH2)2CSO2      CAS No: ********2 or ********0
Other name: Formamidine Sulfinic Acid (FAS), TDO, TUD 
Melting point: **6°C         PH: 4 (1% Solution)
UN No: ***1               Dangerous Goods Class: 4.2
Specification:

Packing:*0kg fiber drums, *5kg/**0kg/***0kg woven bags, *5kg kraft bags.
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 *0°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.