Description
Zinc(II) chloride; Zinc dichloride; Butter of zinc
| CAS | 7646-85-7 |
| Molecular Formula | ZnCl2 |
| Molecular Weight | 136.28 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | White crystalline |
| Odour | Odorless | pH Value | 4 Aqueous solution |
| Melting Point/ Freezing Point [°C] | 293 °C | Boiling Point [°C] | 732 °C |
| Density [g/cm3] | 2.91 | Solubility in Water [% weight] | Soluble in water |
| Specifications | |||
| Appearance | White crystalline hygroscopic powder | Assay | Min 98% |
| Insoluble Matter | Max 0.005% | Oxide Chloride (As Zno) | Passes test |
| Sulphate (So4) | Max 0.01% | Nitrate (No3) | Max 0.003% |
| Lead (Pb) | Max 0.005% | Iron (Fe) | Max 0.001% |
| Magnesium (Mg) | Max 0.01% | Calcium (Ca) | Max 0.06% |
| Sodium (Na) | Max 0.05% | Potassium (K) | Max 0.02% |
| Ammonium (Nh4) | Max 0.005% | ||
| Dangerous Goods Information | |||
| UN Number | 2331 | DG Class | 8 |
| Safety Information & Hazard Symbols | |
| Symbol | GHS05, GHS07, GHS09 |
| Signal Word | Danger |
| Hazard Statement | H302-H314-H410 |
| Precaution Statement | P273-P280-P305 + P351 + P338-P310-P501 |















