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

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

Data Sheet
Calcium Carbonate

Product Code 03-0250
Calcium Carbonate 96.00%
Magnesium Carbonate 1.00%
Aluminum Oxide 0.50%
Ferric Oxide 0.12%
Silica 2%
Water Soluble Matter < 0.1%
Moisture 0.30%
pH 9.2-9.8
Granulation through 325 Mesh % 99%


PACKAGING: 50 lb. Bags, 100-250 lb. Polylined Fiber Drums

USES: Calcium Carbonate is used in the manufacturing of paint, rubber, plastics, paper, ceramics, putty, polishes, insecticides, inks, adhesives, matches, pencils, crayons, and by the pharmaceutical industries. In analytical chemistry, it can be used to detect and determine halogens in organics.

HANDLING: Avoid contact with skin and avoid ingestion. Use dust respirator when handling. Be sure to store this material in a cool, dry place. Since no exposure limit have been established for calcium carbonate by OSHA & ACGIH, we recommend that our product should be treated as a nuisance dust 10 mg/m3. See SDS for more information.



Calcium Carbonate

CAS Number 1317-65-3
RTEC Number EV 9580000
Melting point Dec. ~850 ° C
Specific Gravity 2.7
EINEC Number 2074399
Molecular Wt. 100.09
Molecular Formula CaCO3
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.