7783-33-7
| Name | NESSLER'S REAGENT |
| CAS | 7783-33-7 |
| EINECS(EC#) | 231-990-4 |
| Molecular Formula | HgI4K2 |
| MDL Number | MFCD00049656 |
| Molecular Weight | 786.4 |
| MOL File | 7783-33-7.mol |
Chemical Properties
| Definition | Solution of mercuric iodide in potassium iodide. |
| Appearance | light yellow liquid |
| Melting point | 120-127 °C(lit.) |
| Boiling point | 105°C |
| density | 1.16 g/mL at 20 °C |
| Fp | >230 °F |
| storage temp. | 2-30°C |
| solubility | very soluble in H2O; soluble in ethanol,ethyl ether, acetone |
| form | Liquid |
| color | Yellow to orange |
| Specific Gravity | 1.097 |
| Odor | Odorless |
| PH | 9.2 (20°C in H2O) |
| Stability: | Stable, but light sensitive. Incompatible with strong oxidizing agents. |
| 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 |
| InChIKey | OPCMAZHMYZRPID-UHFFFAOYSA-J |
Safety Data
| Hazard Codes | T,N,T+ |
| Risk Statements | |
| Safety Statements | |
| 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 |
| Storage Class | 6.1B - Non-combustible, acute toxic Cat. 1 and 2 very toxic hazardous materials |
| Hazard Classifications | Acute Tox. 2 Dermal Acute Tox. 3 Inhalation Acute Tox. 3 Oral Aquatic Acute 1 Aquatic Chronic 1 Eye Dam. 1 Met. Corr. 1 Skin Corr. 1A STOT RE 2 |
| Safety Profile | |
| Hazardous Substances Data | 7783-33-7(Hazardous Substances Data) |