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THIOUREA AR
Masking and colorimetric reagent for various metal ions precipitation reagent for lead,cadmium, selenium and tellurium.
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC1846 | AR | 99% | 62-56-6 | NH2.CS.NH2 | 76.12 | 2930.9010 | 60 Months |
Packings
| 250 g,500 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | White crystalline |
| Odour | Odorless |
| pH value | 5 - 7 |
| Melting point/ Freezing point [°C] | 170 - 176 °C |
| Density [g/cm3] | 1.045 |
| Solubility in water [% weight] | 137 g/l at 20 °C |
| Partition coefficient Log Pow octanol / water at 20°C | -0.92 |
Specifications
| Appearance | White crystalline powder |
| Assay | Min 99% |
| Melting point | 174 - 178 deg C |
| Insoluble matter in water | Max 0.005% |
| Sulphated ash | Max 0.05% |
| Sulphate (SO4) | Max 0.01% |
| Iron (Fe) | Max 0.0005% |
| Loss on drying (at 105°C) | Max 0.5% |
| Sensitivity for Bismuth | Passes test |
Safety Information and Hazard Symbols
|
|
|---|---|
| Symbol | GHS07, GHS08, GHS09 |
| Signal Word | Warning |
| UN No. | 3077 |
| IMCO Class No. | 9 |
| Packing Group | III |
| Hazardous Statement | H302-H351-H361d-H411 |
| Precaution Statement | P273-P281 |
| Risk Statement | |
| Safety Statement | |
Revision Date : 24-Oct-2013
Certificate of Analysis (COA's)
To download COA please enter the batch number below