Substance profile
Imazalil
Imazalil is a slightly yellow to brown crystalline mass.
01 · Identification
What Imazalil is
Imazalil is a slightly yellow to brown crystalline mass. Its molecular formula is C14H14Cl2N2O and its molecular weight is 297.2 g/mol. It boils at 347 °C, melts at 52.7 °C.
Under the GHS it carries the signal word Danger.
Other names for Imazalil
- imazalil (ISO)
- 1-[2-(allyloxy)-2-(2,4-dichlorophenyl)ethyl]-1H-imidazole
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 |
|---|---|
| H351 | Suspected of causing cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>. |
| H301 | Toxic if swallowed. |
| H332 | Harmful if inhaled. |
| H318 | Causes serious eye damage. |
| H410 | Very toxic to aquatic life with long lasting effects. |
Precautionary statements: P201, P260, P270, P271, P273, P280, P301, P304, P305, P308, P310, P312, P313, P330, P338, P391, P501
03 · Physical and chemical properties
Imazalil 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 |
|---|---|---|---|
| Boiling point | 347 °C (656.6 °F) | HSDB | |
| 333 °C (631.4 °F) | range, midpoint shown | ICSC | |
| 347 °C (656.6 °F) | at 760 mmHg | HMDB | |
| Melting point | 52.7 °C (126.9 °F) | HSDB | |
| 50 °C (122 °F) | ICSC | ||
| Density | 1.2 g/cm³ | ICSC | |
| 1.348 g/cm³ | at 26 °C | HSDB | |
| Solubility | In water, 0.18 g/L at pH 7.6, 20 °C | at 20 °C | HSDB |
| Solubility in water, g/100ml at 20 °C: 0.14 | at 20 °C | ICSC | |
| Vapor pressure | 0.0000012 mmHg | at 20 °C | HSDB |
| 0.00000119 mmHg | Haz-Map | ||
| Vapor pressure at 20 °C: negligible | at 20 °C | ICSC | |
| Flash point | 192 °C (377.6 °F) | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Source notes
Further notes on Imazalil
These are descriptions rather than measured values, so they are kept out of the table above and quoted here with the source that reported them.
Solubility
In acetone, dichloromethane, ethanol, methanol, isopropanol, xylene, toluene, benzene > 500g/L at 20 °C. In hexane 19 g/L at 20 °C. Also soluble in heptane and petroleum ether.
Source: HSDB
05 · Handling and storage
Storing and handling Imazalil
Storage conditions
Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. Well closed. Keep in a well-ventilated room.
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Incompatible with alkaline materials.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
IMAZALIL is an imidazole derivative.
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Imazalil in the storage compatibility matrix →