Nickel hydroxide

Other name: Nickelous hydroxide,Nickel(II) Hydroxide
CAS no. : 12054-48-7; 11113-74-9
EINECS no. : 234-348-1
Molecular formula: Ni(OH)2
Molecular weight: 92.70468
Melting point: 230
Boiling point: 100°C at 760 mmHg
Vapor pressure: 24.5mmhg at 25°C

Nickel hydroxide is an inorganic compound consisting of one nickel ion (Ni2+) and two hydroxide ions (OH-). It can form a green crystal form, which is caused by the structure of the crystal and the electronic energy level of the nickel ion. Nickel(II) Hydroxide is a green crystal.
This green crystal form of nickel hydroxide has important applications in many fields. One of the main applications is in the field of electrochemical energy storage, especially as a positive electrode material in nickel-cadmium batteries and nickel-metal hydride batteries. The green crystal structure of nickel hydroxide has good conductivity and electrochemical catalytic performance, which can improve the efficiency and performance of the battery.
In addition, the green crystal nickel hydroxide also plays an important role in the catalytic reaction. It can be used as a component of catalysts such as REDOX reactions and hydrogenation reactions. Nickel hydroxide can improve the reaction rate and selectivity by regulating the adsorption and dissociation process of reactants.
The green crystal form of nickel hydroxide also has several other applications. It can be used as a component of dyes and pigments for the preparation of ceramic, glass and plastic products with a green hue. In addition, nickel hydroxide also plays a role in certain pharmaceutical applications, such as as an ingredient in pharmaceutical preparations for the treatment of diseases such as iron deficiency anemia.
It is important to note that despite the importance of the green crystal form of nickel hydroxide in many applications, it is still a toxic substance. When handling and using nickel hydroxide, appropriate safety measures must be taken to avoid direct contact and inhalation. At the same time, waste needs to be properly disposed of to prevent pollution to the environment.
The green crystal form of Nickel(II) Hydroxide has a wide range of applications. It plays an important role in the fields of electrochemical energy storage, catalytic reactions, dyes and pigments, and medicine.