Tarapacaite is a mineral with formula of K2Cr6+O4 or K2(CrO4). The IMA symbol is Tpc.
Irritant
Health hazard
Environmental hazard
⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).
Tarapacaite is a mineral with formula of K2Cr6+O4 or K2(CrO4). The IMA symbol is Tpc.
| Physical Description | Potassium chromate is a yellow crystalline solid. It is soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment… |
| Color/Form | Yellow orthorhombic crystals |
| Odor | Odorless |
| Melting Point | 975 °C |
| Boiling Point | 1000 °C |
| Density | 2.73 at 64.4 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | In water, 65.0 g/100 g water at 25 °C |
| Vapor Pressure | Zero |
| Refractive Index | Index of refraction: beta 1.74 |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| IUPAC Name | dipotassium;dioxido(dioxo)chromium |
| Molecular Formula | CrK2O4 |
| Molecular Weight | 194.190 g/mol |
| CAS | 7789-00-6 |
| SMILES | [O-][Cr](=O)(=O)[O-].[K+].[K+] |
| InChIKey | XMXNVYPJWBTAHN-UHFFFAOYSA-N |
| Catalog No | KC.1610214 |
| Pack sizes | 500GM |
⚠️ For information only; not a substitute for the official SDS.