CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Zinc potassium chromate appears as a greenish-yellow odorless solid. used as a pigment Denser than water. Toxic by ingestion. Commonly but mistakenly called zinc chromate. |
|---|---|
| Color/Form | Yellow powder |
| Odor | Odorless |
| Melting Point | Decomposes at about 500 °C |
| Solubility | less than 1 mg/mL at 68 °F (NTP, 1992) |
| Density | 3.40 to 3.60 (USCG, 1999) |
| Autoignition Temperature | 400 °C (layer); 580 °C (cloud) /Basic potassium zinc chromate/ |
| Decomposition | When heated to decomposition it emits toxic fumes of /zinc oxide and dipotassium oxide/. |
| pH | pH = 7.5 |
| Other Experimental Properties | When heated to decomposition it emits toxic fumes of ZnO and K20. |
| Chemical Classes | Metals -> Chromium Compounds, Inorganic |
COMPUTED DESCRIPTORS
| Molecular Weight | 418.9 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 0 |
| Exact Mass | 417.66195 g/mol |
| Monoisotopic Mass | 415.66506 g/mol |
| Topological Polar Surface Area | 162 Ų |
| Heavy Atom Count | 14 |
| Formal Charge | 0 |
| Complexity | 62.2 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 6 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Zinc potassium chromate appears as a greenish-yellow odorless solid. used as a pigment Denser than water. Toxic by ingestion. Commonly but mistakenly called zinc chromate.