The Lutetium, with the cas registry number  7439-94-3, is a kind of  grey powder. Its  product categories are including Inorganics; Catalysis and Inorganic Chemistry; Chemical Synthesis; Lutetium; LutetiumMetal and Ceramic Science; Metals.

The physical properties of this chemical are below: (1)#H bond acceptors: 0; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 0; (5)Exact Mass: 174.940768; (6)MonoIsotopic Mass: 174.940768; (7)Heavy Atom Count: 1; (8)Covalently-Bonded Unit Count: 1.

When you are using this chemical, you should be very cautious. First for being a kind of irritant chemicals to eyes and skin, it may cause inflammation to the skin or other mucous membranes. And it is highly flammable which may catch fire in contact with air, only needing brief contact with an ignition source, and it has a very low flash point or evolve highly flammable gases in contact with water. Therefore, you could take the different measures to deal with different cases. Wear suitable protective clothing, gloves and eye/face protection. If in case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Then take precautionary measures against static discharges and keep it away from sources of ignition - No smoking.

Additionally, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: [Lu]
(2)InChI: InChI=1S/Lu
(3)InChIKey: OHSVLFRHMCKCQY-UHFFFAOYSA-N