| BGC Id: | 910294064056 | |
| CAS No: | 1317-39-1 | |
| Synonyms: | r 30 (oxide) ; nc 303 ; dicopper oxide ; perecot ; copper(i) oxide(cu2o) ; cuprous oxide ; nordox ; r 30 ; copper(1+) oxide ; cu2-o ; perenex ; gg ; cuprox ; c.i. 77402 ; copperprotoxide ; kuprite ; ag copp 75 ; caocobre ; gg (pigment) ; chem copp 50 ; red copp 97n premium ; nx 3 ; nc 803 ; copper sandoz ; copperoxy ; dicoppermonoxide ; perenox ; cupramar ; dicopper monooxide ; lolo tint 97 ; copox ; nc 301 (oxide) ; red copper oxide ; nc 102 | |
| Molecular Formula: | Cu2O | |
| Molecular Weight: | 143.0914 | |
| EINECS: | 215-270-7 |

| Copper(I) oxide or cuprous oxide is the inorganic compound with the formula Cu2O. It is one of the principal oxides of copper. This red-coloured solid is a component of some antifouling paints. The compound can appear either yellow or red, depending on the size of the particles. Copper(I) oxide is found as the reddish mineral cuprite. | |
| Appearance & Physical State | red-brown powder |



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