London Chemicals & Resources Ltd (LCR) is an international molybdic oxide supplier, distributor and stockist along with a wide range of industrial inorganic chemicals.
Efficient and Competitive Services
We hold several agencies and serve a global customer base both directly and via a network of local agents. LCR is committed to providing efficient service and competitive pricing to all customers.
Working closely with several producer principals around the world, quality, consistency and reliability are all important watchwords for LCR ensuring that our customers return again and again.
Supplying Raw Materials
Raw materials are supplied for a wide range of applications including the battery, catalyst, ceramic, fertiliser, glass, plating, refinery, superalloy and other industries. Our materials are usually packed in drums or bags in accordance with UN, CLP and other applicable local and international regulations.
We deliver to our customers in quantities ranging from single bags or drums to thousands of tonnes. Transportation by air, sea, rail and truck can be arranged and all deliveries are made according to latest INCOTERMS.
Our experienced, friendly and knowledgeable staff at LCR are familiar with relevant legislation, transport procedures and documentation including REACH, SDSs and ADR.
LCR’s range includes inorganic chemicals, minerals and noble ferroalloys, click here for the full range.
What is Molybdenum Dioxide?
Molybdenum dioxide is the chemical compound with the formula MoO2. It is a violet-coloured solid and is a metallic conductor. It crystallizes in a monoclinic cell, and has a distorted rutile, (TiO2) crystal structure. In TiO2 the oxide anions are close-packed and titanium atoms occupy half of the octahedral interstices (holes). In MoO2 the octahedra are distorted, the Mo atoms are off-centre, leading to alternating short and long Mo – Mo distances and Mo-Mo bonding. The short Mo – Mo distance is 251 pm which is less than the Mo – Mo distance in the metal, 272.5 pm. The bond length is shorter than would be expected for a single bond. The bonding is complex and involves a delocalisation of some of the Mo electrons in a conductance band accounting for the metallic conductivity.
MoO2 can be prepared :
- by reduction of MoO3 with Mo over the course of 70 hours at 800 °C. The tungsten analogue, WO2, is prepared similarly.
- 2 MoO3 + Mo → 3 MoO2
- by reducing MoO3 with H2 or NH3 below 470 °C
Single crystals are obtained by chemical transport using iodine. Iodine reversibly converts MoO2 into the volatile species MoO2I2.
Molybdenum oxide is a constituent of “technical molybdenum oxide” produced during the industrial processing of MoS2:
- 2 MoS2 + 7O2 → 2MoO3 + 4SO2
- MoS2 + 6MoO3 → 7MoO2 + 2SO2
- 2 MoO2 + O2 → 2MoO3
MoO2 has been reported as catalysing the dehydrogenation of alcohols, the reformation of hydrocarbons and biodiesel. Molybdenum nano-wires have been produced by reducing MoO2 deposited on graphite. Molybdenum oxide has also been suggested as possible anode material for Li-ion batteries.
We also supply:
- Ammonium Dimolybdate
- Ammonium Heptamolybdate
- Molybdenum Trioxide
- Molybdic Acid
- Sodium Molybdate
How Did We Do?
It is our constant goal to offer the best possible service to our clients at all times. If we have worked with you at any point in the past, please take a moment to visit the Google Maps listing below and share your experience with us.
If you would like to speak to someone directly about our services as a Molybdic Oxide supplier, please call us on +44 (0)20 7183 0651 or visit our contact page, or contact us via LinkedIn and we will be happy to answer any of your questions.