Mercury thiocyanate Hg(SCN)2 - Names and Identifiers
Mercury thiocyanate Hg(SCN)2 - Physico-chemical Properties
| Molecular Formula | CHgNS
|
| Molar Mass | 258.672 |
Mercury thiocyanate Hg(SCN)2 - Introduction
Mercury(II) thiocyanate is an inorganic compound with the chemical formula Hg(SCN)2, also known as mercury (II) thiocyanide. The following is a description of the nature, use, preparation and safety information of Mercury(II) thiocyanate:
Nature:
-Appearance: The Mercury(II) thiocyanate usually appears as a white powdery or crystalline solid.
-Melting point: The melting point of the compound is about 159 degrees Celsius.
-Solubility: Mercury(II) thiocyanate can be partially dissolved in water to form a colorless solution.
-Toxicity: Mercury(II) thiocyanate is toxic and may cause adverse reactions such as vomiting, eye irritation and skin irritation after exposure.
Use:
-Flame effect: Mercury(II) thiocyanate can produce a unique flame effect, which is used for the flame simulation effect in fireworks and theater special effects.
-Chemical demonstration: Because Mercury(II) thiocyanate expands violently when heated and forms a filament-like structure, it is often used for observable reaction demonstration in chemical experiments.
-Tear gas: Mercury(II) is thiocyanate used as a component of certain tear gas or sprays.
Preparation Method:
The Mercury(II) thiocyanate can be prepared by mixing thiocyanate and a mercury (II) salt in an aqueous solution. The specific synthesis reaction involves an ion exchange process to produce the Mercury(II) thiocyanate salt.
Safety Information:
-Toxicity: Mercury(II) thiocyanate has certain toxicity to human body, so direct contact and inhalation should be avoided.
-Chemical reaction: Mercury(II) thiocyanate will expand violently when heated, producing toxic gases and combustible vapors. It should be operated in a well-ventilated environment.
-Handling: When handling Mercury(II) thiocyanate, wear protective gloves, goggles and other personal protective equipment and follow proper operating procedures.
-Waste Disposal: Mercury(II) thiocyanate waste shall be disposed of in accordance with local laws and regulations to avoid environmental pollution.
Please note that Mercury(II) thiocyanate is a dangerous chemical substance, and its use and handling should follow the corresponding safe practice regulations.
Last Update：2024-04-10 22:29:15