Potassium chromate
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| Potassium chromate | |
|---|---|
| IUPAC name | Potassium Chromate |
| Identifiers | |
| CAS number | [7789-00-6] |
| Properties | |
| Molecular formula | CrK2O4 |
| Molar mass | 194.19 g mol-1 |
| Appearance | Yellow odorless powder |
| Density | 2.7320 g·cm−3 |
| Melting point |
975 °C, 1248 K, 1787 °F |
| Boiling point |
N/A |
| Solubility in water | Soluble |
| Hazards | |
| MSDS | Chemical Safety Data |
| NFPA 704 | |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
|
- You may be looking for potassium dichromate
Potassium chromate (K2CrO4) is a yellow chemical indicator used for identifying concentrations of chloride ions in a salt solution with silver nitrate (AgNO3). It is a class two carcinogen and can cause cancer on inhalation.[1]
Contents |
[edit] General information
[edit] Physical properties
Potassium Chromate is a lemon yellow compound that is in the form of a crystalline solid, and it is very stable.[citation needed]
[edit] Reactions
When reacted with Lead(II) Nitrate, it creates an orange-yellow precipitate, Lead(II) Chromate, and Potassium Nitrate.
[edit] Dangers/Hazards
Potassium Chromate is very toxic and may be fatal if swallowed. It may also act as a carcinogen, and can create reproductive defects if inhaled or swallowed. It also is a strong oxidizing agent. It may react rapidly, or violently. It is also possible that it may react explosively with other reducing agents and flammable objects.
[edit] References
- ^ Potassium chromate information URL last accessed 15 March 2007

