Molybdenum trioxide CAS 1313-27-5

Overview of Molybdenum trioxide CAS 1313-27-5

Molybdenum (Mo) is a chemical element with the atomic number 42 and is represented by the symbol Mo on the periodic table. It is a transition metal located in group 6 and period 5. Molybdenum is known for its high melting point, excellent strength, and thermal stability, making it a crucial component in various industrial applications.

Feature of Molybdenum trioxide CAS 1313-27-5

1. High Melting Point: Molybdenum has one of the highest melting points among all pure elements, at 2,623°C (4,753°F). This property makes it ideal for high-temperature applications.

2. Strength and Toughness: Even at high temperatures, molybdenum maintains its strength and hardness, which is essential for use in extreme environments.

3. Corrosion Resistance: Molybdenum exhibits good corrosion resistance to many acids and alkalis, although it can be attacked by oxidizing acids like nitric acid.

4. Thermal Conductivity: It is an excellent conductor of heat, making it suitable for applications where efficient heat transfer is required.

5. Alloying Agent: Molybdenum is widely used as an alloying agent, particularly with steel, to enhance hardness, toughness, and resistance to wear and corrosion. Stainless steels often contain molybdenum for these properties.

6. Electrical Applications: Due to its low resistivity and high-temperature stability, molybdenum is used in electrical contacts and heating elements.

7. Lubricity: Molybdenum disulfide (MoS₂) is a common dry lubricant, providing low friction surfaces in high-pressure, high-temperature conditions.

(Molybdenum trioxide CAS 1313-27-5)

Parameters of Molybdenum trioxide CAS 1313-27-5

The molecular formula of Molybdenum trioxide (MoO3) is:
MoO3 = MoO3·3H2O
It has the following properties:

* The color of Molybdenum trioxide is black, and it’s transparent when viewed under a microscope.
* It has a high melting point of 486°C, which makes it a good thermal insulation material.
* Molybdenum trioxide is highly reactive with water and strong acids, making it a good desiccant.
* It is a highly flammable substance.

As for its parameter, the most commonly used parameters in the literature include:

* Solubility: MoO3 in water is about 0.1 g/L at 25°C.
* Pitting tendency: MoO3 has a high pitting tendency to form pits in its matrix due to its high reactivity with oxygen and sulfur compounds.
* Glass transition temperature: MoO3 can undergo glass transition from a brittle to a ductile phase at temperatures below 180°C.
* Nuclear reactivity: MoO3 has been shown to be highly reactive with alpha particles in the presence of lithium.

Overall, Molybdenum trioxide is an important industrial material with a wide range of applications in various fields, including electronics, minerals, and steel production.

(Molybdenum trioxide CAS 1313-27-5)

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FAQ

1. What are the primary uses of Molybdenum trioxide CAS 1313-27-5?

   Molybdenum trioxide CAS 1313-27-5 is primarily used in the production of steel alloys, accounting for over 80% of its consumption. It’s also used in chemicals, lubricants, electronics, and specialized applications like lighting and nuclear energy.

   
   

2. Is molybdenum found naturally?

   Yes, molybdenum is found naturally in the Earth’s crust, often in minerals like molybdenite (MoS₂) and powellite (CaMoO₄). It is mined as a byproduct of copper mining.

   
   

3. How does Molybdenum trioxide CAS 1313-27-5 affect human health?

   In small amounts, molybdenum is an essential trace element for humans, playing a role in enzyme functions. However, excessive intake can lead to toxicity, though this is rare under normal dietary conditions.

   
   

4. Is molybdenum magnetic?

   Molybdenum itself is not magnetic. It is classified as a diamagnetic material, meaning it repels magnetic fields slightly rather than being attracted to them.

   
   

5. What industries rely heavily on molybdenum?

   The steel industry is the largest consumer of molybdenum, followed by the chemical, oil and gas, automotive, aerospace, and construction industries.

   
   

6. Is recycling molybdenum possible?

   Yes, molybdenum can be recycled from scrap materials. Given its valuable properties and relative scarcity, recycling helps conserve resources and is economically viable.

(Molybdenum trioxide CAS 1313-27-5)