A6359712
Nessler Reagent , 7783-33-7
Synonym(s):
Potassium tetraiodomercurate – Potassium hydroxide solution
CAS NO.：7783-33-7
Empirical Formula: HgI4K2
Molecular Weight: 786.4
MDL number: MFCD00049656
EINECS: 231-990-4
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 120-127 °C(lit.) |
| Boiling point: | 105°C |
| Density | 1.16 g/mL at 20 °C |
| Flash point: | >230 °F |
| solubility | very soluble in H2O; soluble in ethanol,ethyl ether, acetone |
| form | Liquid |
| color | Yellow to orange |
| Specific Gravity | 1.097 |
| Odor | Odorless |
| Water Solubility | Soluble in water. |
| Sensitive | Hygroscopic |
| Merck | 13,7773 |
| Exposure limits | ACGIH: TWA 0.025 mg/m3 (Skin) NIOSH: IDLH 10 mg/m3; TWA 0.05 mg/m3; Ceiling 0.1 mg/m3 |
| Stability: | Stable, but light sensitive. Incompatible with strong oxidizing agents. |
| InChIKey | OPCMAZHMYZRPID-UHFFFAOYSA-J |
| EPA Substance Registry System | Potassium mercuric iodide (7783-33-7) |
Description and Uses
Mercury(II) potassium iodide is used as a pharmaceutical intermediate. It is also used as reagents, chemical research and organic intermediates.
Safety
| Symbol(GHS) |     GHS05,GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H290-H301+H331-H310-H314-H373-H410 |
| Precautionary statements | P273-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P314 |
| Hazard Codes | T,N,T+ |
| Risk Statements | 26/27/28-33-35-51/53-52/53-23/24/25-48/21/22-25-50/53-68-24/25 |
| Safety Statements | 45-36/37-61-36/37/39-28-26-60-13 |
| RIDADR | UN 3287 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | OU9670000 |
| F | 8-30 |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | II |
| HS Code | 28521000 |
| Hazardous Substances Data | 7783-33-7(Hazardous Substances Data) |
