Substance profile
Prallethrin
Prallethrin is a yellow to yellow brown liquid with a faint characteristic odor.
01 · Identification
What Prallethrin is
Prallethrin is a yellow to yellow brown liquid with a faint characteristic odor. Its molecular formula is C19H24O3 and its molecular weight is 300.4 g/mol. It boils at 314 °C.
Under the GHS it carries the signal word Danger.
Other names for Prallethrin
- prallethrin (ISO)
- ETOC
- 2-methyl-4-oxo-3-(prop-2-ynyl)cyclopent-2-en-1-yl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
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 |
|---|---|
| H331 | Toxic if inhaled. |
| H302 | Harmful if swallowed. |
| H400 | Very toxic to aquatic life. |
| H410 | Very toxic to aquatic life with long lasting effects. |
Precautionary statements: P260, P270, P271, P273, P301, P304, P310, P312, P330, P391, P501
03 · Physical and chemical properties
Prallethrin 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 | 313.5 °C (596.3 °F) | at 760 mmHg | HSDB |
| Melting point | Liquid at room temperatures | HSDB | |
| Density | 1.03 g/cm³ | at 20 °C | HSDB |
| Solubility | In water, 8 mg/L at 25 °C | at 25 °C | HSDB |
| In water, 8.51 ppm at 25 °C; Soluble in most organic solvents | at 25 °C | HSDB | |
| In water, 8.03 mg/L at 25 °C and pH 5.5-5.6 | at 25 °C | HSDB | |
| Vapor pressure | 0.000035 mmHg | at 20 °C | HSDB |
| 0.0000315 mmHg | at 25 °C | HSDB | |
| 3.5X10-5 mm at 20 °C | at 20 °C | HSDB | |
| Flash point | 139 °C (282.2 °F) | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Prallethrin
Storage conditions
Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Recommended storage temperature: 2 - 8 °C.
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check Prallethrin in the storage compatibility matrix →