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Hafnium powder cas 7440-58-6

Description

Product Name: HAFNIUM CAS: 7440-58-6 MF: Hf MW: 178.49 EINECS: 231-166-4 Melting point: 2227 °C (lit.) Boiling point: 4602 °C (lit.) Density: 13.3 g/cm3 (lit.) Color: Silver-gray Specific Gravity: 13.31

Specification

Product Name HAFNIUM
CAS 7440-58-6
Appearance Silver-gray
MF Hf
Package 25 kg/bag

Application

Hafnium powder is used in a variety of applications due to its unique properties. Some of the main uses include:

1. Nuclear Application: Hafnium has a high neutron absorption cross section and is therefore used as a control rod material for nuclear reactors. It helps regulate the fission process by absorbing excess neutrons.

2. Alloy: Hafnium is often used in alloys to increase their strength and corrosion resistance, especially in high-temperature applications. It is often added to superalloys used in aerospace and turbine engines.

3. Electronics: Hafnium oxide (HfO2) is used in the semiconductor industry as a high-k dielectric material in transistors, helping to improve microelectronic performance and reduce power consumption.

4. Chemical Catalyst: Hafnium compounds can be used as catalysts for various chemical reactions, especially in the production of certain polymers and other materials.

5. Research and Development: Hafnium powder is also used in research environments for various experimental applications, including research in materials science and nanotechnology.

6. Coating: Hafnium can be used in thin films and coatings to enhance the properties of materials, such as improving wear resistance and thermal stability.

Overall, hafnium powder is valued for its high melting point, corrosion resistance, and ability to absorb neutrons, making it a versatile material for a variety of advanced applications.

Storage

Store in a cool and ventilated warehouse. Stay away from sources of fire and heat. It should be stored separately from oxidants, acids, halogens, etc., and avoid mixing storage. Adopt explosion-proof lighting and ventilation facilities. Prohibit the use of mechanical equipment and tools that are prone to generating sparks. The storage area should be equipped with suitable materials to contain leaked materials.

Is Hafnium hazardous ?

Hafnium itself is not classified as a hazardous substance like other metals, but there are still important things to note about its safety:

1. Toxicity: Hafnium is generally considered to have low toxicity. However, exposure to hafnium powder (especially in fine particle form) may pose a health risk, especially if inhaled.

2. Inhalation Risk: Inhalation of hafnium dust can irritate the respiratory system. Long-term or high-level exposure may cause more serious health effects.

3. SKIN AND EYE CONTACT: Hafnium dust may cause irritation if it comes in contact with skin or eyes. Protective equipment should be used to minimize this risk.

4. Dust explosion hazard: Like many metal powders, hafnium poses a risk of dust explosion if it becomes airborne and concentrations reach a certain level. Proper handling and storage methods are critical to reducing this risk.

5. Chemical Reactivity: Hafnium can react with strong oxidants and should be handled with care in the presence of such substances.

 

Emergency measures

Skin contact: Rinse with running water.
Eye contact: Rinse with running water.
Inhalation: Remove from the scene.
Ingestion: Those who accidentally consume should drink a large amount of warm water, induce vomiting, and seek medical attention.