Molecular Formula | H2HgN2O7 |
Molar Mass | 342.62 |
Density | 1.025 g/mL at 25 °C |
Melting Point | 79 °C(lit.) |
Water Solubility | Soluble in water. |
Vapor Density | 11 (vs air) |
Appearance | Liquid |
Specific Gravity | 4.39 |
Color | White to off-white |
Odor | Slight nitric acid odor |
Merck | 14,5880 |
Storage Condition | Store at RT. |
Sensitive | Hygroscopic |
Physical and Chemical Properties | Chemical properties White or yellowish crystalline powder. It smells like nitric acid. Easy deliquescence. Relative density 4.3. Melting point 79 ℃. Boiling point 180 ℃ (decomposition). Soluble in a small amount of water and dilute acid. In case of a large amount of water or boiling water, basic salt precipitation is generated. Insoluble in ethanol. |
Use | Purpose 1. Organic synthesis. Nitrifying agent. Pesticide. Manufacture of thundermercury, analytical reagents. Used in medicine. 2, for halide and cyanide determination, milon reagent preparation and pharmaceutical industry |
Risk Codes | R26/27/28 - Very toxic by inhalation, in contact with skin and if swallowed. R33 - Danger of cumulative effects R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R34 - Causes burns R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R8 - Contact with combustible material may cause fire R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
Safety Description | S13 - Keep away from food, drink and animal foodstuffs. S28 - After contact with skin, wash immediately with plenty of soap-suds. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S17 - Keep away from combustible material. S36/37 - Wear suitable protective clothing and gloves. |
UN IDs | UN 1625 6.1/PG 2 |
WGK Germany | 3 |
RTECS | OW8225000 |
FLUKA BRAND F CODES | 3-8 |
TSCA | Yes |
HS Code | 28521000 |
Hazard Class | 6.1 |
Packing Group | II |
Toxicity | LD50 orally in Rabbit: 26 mg/kg LD50 dermal Rat 75 mg/kg |
add nitric acid into an acid-resistant reactor containing distilled water, heat to 40~50 ℃, slowly add mercury for reaction, evaporate and concentrate, cool and crystallize, and filter to obtain mercury nitrate monohydrate. Its
Hg 2HNO3 H2O→Hg(NO3)2·H2O H2↑