PRODUCT Properties
| Melting point: | 34 °C |
| Boiling point: | 960°C |
| Density | 3.327 |
| vapor density | 6.3 (vs air) |
| vapor pressure | 10 mmHg ( 656 °C) |
| refractive index | 1.6513 |
| solubility | soluble in acetone |
| form | Crystals and Chunks |
| color | White |
| Specific Gravity | 4.047 |
| PH | pH (50g/l, 25℃) : 4.0～7.0 |
| Water Solubility | 1680 g/L (20 ºC) |
| Sensitive | Hygroscopic |
| Merck | 14,1617 |
| Exposure limits | ACGIH: TWA 0.01 mg/m3; TWA 0.002 mg/m3 NIOSH: IDLH 9 mg/m3 |
| Stability: | Stable. Incompatible with oxidizing agents. Air sensitive. Reacts violently with potassium. |
| CAS DataBase Reference | 7790-78-5(CAS DataBase Reference) |
Description and Uses
It is used for standard solutions.
Safety
| Symbol(GHS) |    GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H301-H330-H340-H350-H360-H372-H410 |
| Precautionary statements | P202-P260-P264-P270-P273-P304+P340+P310 |
| Hazard Codes | T+,N |
| Risk Statements | 45-46-60-61-25-26-48/23/25-50/53 |
| Safety Statements | 53-45-60-61 |
| RIDADR | UN 2570 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | EV0178000 |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 28273990 |
