Description
Mercury (I) chloride ;calomel
| CAS | 10112-91-1 |
| Molecular Formula | Hg2Cl2 |
| Molecular Weight | 472.09 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | White crystalline |
| Odour | Odorless | Melting Point/ Freezing Point [°C] | 277 °C |
| Boiling Point [°C] | 302 °C | Vapour Pressure Mm/Hg | 1.7 mm Hg at 236 °C |
| Density [g/cm3] | 5.44 | Solubility in Water [% weight] | Negligible |
| Specifications | |||
| Appearance | White crystalline powder | Assay (Iodometric) | Min 99% |
| Foreign Heavy Metals, Soluble Mercury Salts (As Pb) | Max 0.002% | Ammonium (Nh4) | Max 0.01% |
| Substance Not Reducible With Formic Acid (Residue On Ignition As So4) | Max 0.1% | Loss On Drying | Max 0.5% |
| Impurities With An Acidic Or Alkaline Reaction | Passes test | ||
| Dangerous Goods Information | |||
| UN Number | 2025 | DG Class | 6.1 |
| Safety Information & Hazard Symbols | |
| Symbol | GHS07, GHS09 |
| Signal Word | Warning |
| Hazard Statement | H302-H315-H319-H335-H410 |
| Precaution Statement | P261-P273-P305 + P351 + P338-P501 |















