Copper(II) oxide (CuO), corrosion product

CAS: 1317-38-0 | Type: heavy_metal

Low To Moderate Risk (Adults)

Safety Summary

Hazard Profilehazardous

Risk (Adults)Low To Moderate

Risk (Children)Low To Moderate

Regulatory Status

SummaryNo major regulatory flags

Molecular FormulaCuO

Molecular Weight79.55

Sources

These citations are the ones recorded for the human adult context.

ATSDR Toxicological Profile — CAS 1317-78-0 REFERENCE
NIOSH Pocket Guide to Chemical Hazards - Copper fume (as Cu) (1317-38-0) (reached from the NPG CAS index npgdcas.html, archived 2026-09-25) REGULATORY
OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26) REGULATORY
ECHA Annex VI to CLP: the unofficial Excel table (up to and including the 23rd ATP) REGULATORY

Same data as the API response, which is open and needs no key. The full per-record source list is available to authenticated callers.

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