Mercury(II) oxide red
SIGALD/213357 - ACS reagent, ≥99.0%
Synonym: Mercuric oxide red
CAS Number: 21908-53-2
Empirical Formula (Hill Notation): HgO
Molecular Weight: 216.59
EC Number: 244-654-7
MDL Number: MFCD00011045
Linear Formula: HgO
Product Type: Chemical
| anion traces | chloride (Cl-): ≤0.025% |
| sulfate (SO42-): ≤0.015% | |
| assay | ≥99.0% |
| cation traces | Fe: ≤0.005% |
| form | powder |
| grade | ACS reagent |
| impurities | ≤0.005% N compounds |
| ≤0.03% insol. dil. HCl | |
| InChI | 1S/Hg.O |
| InChI key | UKWHYYKOEPRTIC-UHFFFAOYSA |
| mp | 500 °C (dec.) (lit.) |
| Quality Level | 200 ![]() |
| reaction suitability | reagent type: catalyst core: mercury |
| reduction residue | ≤0.025% |
| SMILES string | O=[Hg] |
| Packaging: | 100 g in poly bottle |
| Packaging: | 5 g in glass bottle |
| Symbol | ![]() ![]() GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H300 + H310 + H330 - H373 - H410 |
| Precautionary statements | P262 - P273 - P280 - P301 + P310 + P330 - P302 + P352 + P310 - P304 + P340 + P310 |
| Hazard Codes | T+,N |
| Risk Statements | 26/27/28-33-50/53 |
| Safety Statements | 13-28-45-60-61 |
| RIDADR | UN 1641 6.1 / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% |
| mp | 500 °C (dec.) (lit.) |
| UNSPSC | 12352303 |




