THIOUREA DIOXIDE

Physical & Chemical Features
Name Thiourea Dioxide
Byname Formamidine Sulfinic Acid
Appearance & Odor White Crystal, odorless
Molecular Formula CH4N2O2S
Molecular Weight 108.12
Melting Point 126℃
PH 4.2 (1% Solution)
CAS NO. 1758-73-2 or 4189-44-0
Dangerous Goods Class 4.2
Specific Gravity 1.68
Specifications
Thiourea Dioxide（%） ≥99%
Thiourea（%） ≤0.1%
Sulphate（%） ≤0.17%
Iron（PPM） ≤10PPM
Moisture（%） ≤0.05%