MERCUROUS NITRATE
- CAS NO.：7782-86-7
- Empirical Formula: H3HgNO4
- Molecular Weight: 281.62
- MDL number: MFCD00078137
- EINECS: 233-886-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-01 16:59:24
What is MERCUROUS NITRATE?
Chemical properties
Mercurous nitrate,HgN03•2H20, is colorless,efflorescent, light-sensitive crystals that decompose in water,and melt at 70℃. Also known as hydrated mercurous nitrate, it is highly toxic and explosive if shocked or heated and is used as an analytical agent.
Purification Methods
Its solubility in H2O containing 1% HNO3 is 7.7%. Recrystallise it from a warm saturated solution of dilute HNO3 and cool to room temperature slowly to give elongated prisms. Rapid cooling gives plates. The colourless crystals should be stored in the dark. POISONOUS. [Grdenic J Chem Soc 1312 1956.]
Properties of MERCUROUS NITRATE
| Melting point: | 70°C |
| Density | 4.78 g/mL at 25 °C(lit.) |
| storage temp. | Poison room |
| Water Solubility | Slightly soluble in water. |
| solubility | slightly soluble in H2O |
| form | Powder/Solid |
| color | White to yellow |
| Specific Gravity | 4.79 |
| Stability: | Stable, but may be sensitive to light or moisture. Strong oxidizer. Incompatible with combustible materials, reducing agents. |
| CAS DataBase Reference | 7782-86-7(CAS DataBase Reference) |
| EPA Substance Registry System | Mercurous nitrate, monohydrate (7782-86-7) |
Safety information for MERCUROUS NITRATE
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H373:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for MERCUROUS NITRATE
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