The Copper selenide (CuSe), with the cas registry number 1317-41-5, has other names as Copper(II)selenide,99.5%(metalsbasis).

The characteristics of this chemical are as follows: (1)#H bond acceptors: 1; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 0; (5)Exact Mass: 142.846123; (6)MonoIsotopic Mass: 142.846123; (7)Heavy Atom Count: 2; (8)Covalently-Bonded Unit Count: 2.

When you are using this chemical, you should be very cautious. For one thing, it is toxic which may at low levels cause damage to health. If by inhalation and if swallowed, it will be dangerous. For another thing, it is dangerous for the environment which may present an immediate or delayed danger to one or more components of the environment. Being very toxic to aquatic organisms, it may cause long-term adverse effects in the aquatic environment.

Therefore, you should take the following instructions. When using do not eat, drink or smoke. And if in case of accident or if you feel unwell seek medical advice immediately (show the label where possible), and after contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer). When store it, this material and its container must be disposed of as hazardous waste. And remember to avoid releasing to the environment and you could refer to special instructions/safety data sheet.

Additionally, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: [Cu+2].[Se-2]
(2)InChI: InChI=1S/Cu.Se/q+2;-2
(3)InChIKey: QMULOZLYOQCZOH-UHFFFAOYSA-N