Substance profile
Potassium (E,E)-hexa-2,4-dienoate
Potassium (E,E)-hexa-2,4-dienoate is a white powder with a characteristic odor.
01 · Identification
What Potassium (E,E)-hexa-2,4-dieno… is
Potassium (E,E)-hexa-2,4-dienoate is a white powder with a characteristic odor. Its molecular formula is C6H7KO2 and its molecular weight is 150.22 g/mol. It melts at 270 °C.
Under the GHS it carries the signal word Warning.
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H319 | Causes serious eye irritation. |
Precautionary statements: P264, P280, P305, P313, P337, P338
03 · Physical and chemical properties
Potassium (E,E)-hexa-2,4-dieno… properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Melting point | 270 °C (518 °F) | above this value, decomposes | HSDB |
| 133 °C (271.4 °F) | EU Food Improvement Agents | ||
| Density | 1.363 g/cm³ | at 25 °C | HSDB |
| Solubility | Very soluble in water | HSDB | |
| Solubility in water at 20 °C: 58.2%; in alcohol: 6.5% | at 20 °C | HSDB | |
| Soluble in water at 25 °C | at 25 °C | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Potassium (E,E)-hexa-2,4-dieno…
Storage conditions
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Incompatible materials: Strong oxidizing agents.
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check Potassium (E,E)-hexa-2,4… in the storage compatibility matrix →