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

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

Data Sheet
Potassium Dichromate (Potassium Bichromate)

Product Code 16-5300
Appearance Orange Red Granular Powder
Loss on Drying 0.1% Max
Assay 99.0% Min
Sulfate 0.1% Max
Chloride 0.1% Max


PACKAGING:50 lb. Drums

USES: Potassium Dichromate is a corrosion inhibitor. It is also used in manufacturing of other potassium/chromium compounds, manufacture of frits, glass and glazes. It can also be used for pyrotechnic and photographic applications.

HANDLING: Store material in tightly closed containers. Avoid contact with reducing agents. Good personal hygiene and housekeeping care important when handling any chromium compound. Carcinogen. OSHA PEL and ACGIH TLV-TWA have been established for this compounda t 1mg/m3as CrO3 and as .05mg/m3 as Cr. This product may be subject to SARA section 313 reporting requirements (Cr 35.33%). See SDS for more information.

PROPER SHIPPING NAME: Oxidizing Solid, N.O.S. (Potassium Dichromate)

SHIPPING INFORMATION: UN# 1479, Class 5.1, PGIII, Label Code 5.1, RQ 10(4.54)

Potassium Dichromate (Potassium Bichromate)

CAS Number 7778-50-9
RTEC Number HX 7680000
Melting point 398 ° C
Bulk Density 100 lbs./cu.ft.
EINEC Number 2319066
Molecular Wt. 294.19
Molecular Formula K2CrO7
Water Solubility 11.7g/100ml

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.