Data Sheet
Ammonium Dichromate
Typical Chemical Analysis
| Product Code | 01-1060 |
| Description | Orange Red Crystalline Powder |
| Assay | 98.5% Min |
| Chloride | 50 ppm Max |
| Sulfates | 300 ppm Max |
| Water Insolubles | 0.0005% max |
| pH | 3.5 |
| Moisture | 2.0% Max |
| Fixed Alkalies | 0.15% Max |
OTHER SPECIFICATIONS: O-A-498A
PACKAGING: 100 & 375 lb. Polylined Fiber Drums
Uses
Ammonium Dichromate is use in engraving, lithography, mordant for dyeing, oil purification and picking. It can also be used as a catalyst in chemical reations, as ingredient in pyrotechnic formulations and in oil purification.
Handling
Do not store near acids, organics and other oxidizable materials or where flammable or combustible materials are stored. Reseal containers immediately after use. Store away from food and beverages. Use dust respirator when handling. OSHA PEL & ACGIH TLV-TWA have been established for this compound 0.1mg/m3 as CrO3(ceiling) & 0.05 mg/m3 as Cr(ceiling) respectively. Material is an oxidizer. This product may be subject to SARA Section 313 reporting requirements (Cr 41.24%). See SDS for more information.
Proper Shipping Name
Shipping Information
Ammonium Dichromate
UN# 1439, Class 5.1, P.G.II, Label Code 5.1, RQ10(4.54)
Product Information
Ammonium Dichromate
| CAS Number | 7789-09-5 |
| RTEC Number | hx 7650000 |
| Melting Point | ~180 ° C(dec.) |
| Bulk Density | 1.3 |
| EINEC Number | 2321431 |
| Molecular Wt. | 252.18 |
| Molecular Formula | (NH₄)Cr₂O₇ |
| Water Solubility | 27% by wt @ 20 °C |
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.