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

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

Data Sheet
Calcium Oxalate

Product Code 03-0370
Appearance White Powder
Calcium 26.6% Min
Oxalate 58.4% Min
Material Insoluble in Dilute Acid 0.5% Max
Mater Soluble in H2O 0.4% Max
Barium 0.5% Max
Granulation 99% (-100 Mesh)


PACKAGING: 200 lb. Drum

USES: Calcium Oxalate is used in manufacturing of ceramic glazes and organic oxalates. It is also used in analytical chemistry for the determination of calcium and rare earth metals. Calcium Oxalate can also be used in some pyrotechnic formulations to intensify a red color.

HANDLING: Avoid contact with skin and avoid ingestion. Use dust respirator when handling. Since no exposure limit has been established for Calcium Oxalate by OSHA & ACGIH, we recommend that our product should be treated as a nuisance dust 15 mg/m3. See SDS for more information.



Calcium Oxalate

CAS Number 5794-28-5
RTEC Number N/A
Melting point -H2O @ ~100 ° C
Density 2.2
EINEC Number 2092601
Molecular Wt. 146.02
Molecular Formula CaC2O4 • H2O
Water Solubility Practically 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.