Copper oxide (1344-70-3)

 Copper oxide , its cas register number is 1344-70-3 , but always using 1317-38-0 . It also can be called CB 250 ; and Black copper oxide . It is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly, get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While, it's inhaled: Remove from exposure and move to fresh air immediately. Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product: Wash mouth out with water, and get medical aid immediately.
In addition, Copper oxide (CAS NO.1344-70-3) could be stable under normal temperatures and pressures. It is not compatible with strong oxidizing agents, reducing agents, alkali metals, aluminum, finely powdered metals, acetylene, azides, hydrazine derivatives, and you must not take it with incompatible materials. And also prevent it to broken down into hazardous decomposition products: Carbon monoxide, carbon dioxide, oxides of copper, copper fumes.
As a mineral, it is known as tenorite. It is an irritant, and could cause damage to the endocrine and central nervous system.