Potassium dichromate is a potassium salt that is the dipotassium salt of dichromic acid. It has a role as a sensitiser, an allergen and an oxidising agent. It contains a dichromate(2-).
Oxidizing
Corrosive
Acute toxic
Health hazard
Environmental hazard
⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).
Potassium dichromate is a potassium salt that is the dipotassium salt of dichromic acid. It has a role as a sensitiser, an allergen and an oxidising agent. It contains a dichromate(2-).
| Physical Description | Potassium bichromate appears as orange red crystals. Denser than water and soluble in water. No distinctive odor. May severely irritate the eyes and respiratory tract. Avoid contact with organic ma… |
| Color/Form | Orange-red triclinic crystals |
| Odor | Odorless, no distinctive odor |
| Melting Point | 748 °F (NTP, 1992) |
| Boiling Point | Decomposes at 932 °F (NTP, 1992) |
| Density | 2.676 at 77 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | 10 to 50 mg/mL at 68 °F (NTP, 1992) |
| Refractive Index | Index or refraction: 1.738 |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| IUPAC Name | dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium |
| Molecular Formula | Cr2K2O7 |
| Molecular Weight | 294.18 g/mol |
| CAS | 7778-50-9 |
| SMILES | [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+] |
| InChIKey | KMUONIBRACKNSN-UHFFFAOYSA-N |
| Catalog No | KC.1610218 |
| Pack sizes | 500ML |
⚠️ For information only; not a substitute for the official SDS.