Hummel Croton Inc.
10 Harmich Road
South Plainfield, NJ 07080

Tel: 908-754-1800
Fax: 908-754-1815

Data Sheet
Cuprous Oxide

Product Code 03-2480
Cuprous Oxide 95% Min
Cuprous Oxide & Free Copper 97% Min
Total Copper 86% Min
Cupric Oxide 3% Max
Metallic Copper 2.5% Max
Moisture Nil
Acetone Soluble Matter 0.3% Max
Chlorides & Sulfates Nil
Granulation passing 325 Mesh Sieve 99.90%


PACKAGING: Polylined Metal Drums

USES: Cuprous Oxide is used as a fungicide & an antiseptic for fishnets. It is used as an antifouling agent in marine paints. Cuprous Oxide is used as a red pigment for glass, ceramic glazes, in brazing pastes, and in rectifiers. It can be used as a catalyst and in photoelectric cells.

HANDLING: Avoid breathing dust. Avoid getting in eyes or on skin. Wash thoroughly after handling. Store in a dry place away from direct sunlight, heat and incompatible materials. Reseal containers immediately after use. Store away from food and beverages. Since no exposure limit has been established by OSHA and ACGIH, we recommend that our product be treated as a nuisance dust 15mg3. See SDS for more information.



Cuprous Oxide

CAS Number 1317-39-1
RTEC Number N/A
Melting point 1800 ° C
Specific Gravity 5.76
EINEC Number 2152691
Molecular Wt. 143.09
Molecular Formula Cu2O
Water Solubility Insoluble

No warranty, expressed or implied, or merchantability, fitness for a particular purpose or otherwise is made, except that the products herein discussed comply with the chemical description on the labels. Buyer assumes risks of the use, storage and handling. Hummel shall not be liable for any incidental or consequential damages arising directly or indirectly in connection with the purchase, use, storage or handling of this product. The information contained herein is, to the best of our knowledge, true and accurate. However, all recommendations or suggestions are made without guarantee, since the conditions of use are beyond our control. We disclaim any liability incurred in connection with the use of these data or suggestions. This information is not to be taken as a license to operate under, or a recommendation to infringe any patent(s). The observance of all regulations and patents is the responsibility of the user. No agent, representative or employee of this company is authorized to vary any terms of this notice.