Substance profile
Fenpropathrin
Fenpropathrin is a pale yellow oil.
01 · Identification
What Fenpropathrin is
Fenpropathrin is a pale yellow oil. Its molecular formula is C22H23NO3 and its molecular weight is 349.4 g/mol. It melts at 47.5 °C.
Under the GHS it carries the signal word Danger.
Other names for Fenpropathrin
- fenpropathrin (ISO)
- α-cyano-3-phenoxybenzyl 2,2,3,3-tetramethylcyclopropanecarboxylate
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 |
|---|---|
| H330 | Fatal if inhaled. |
| H301 | Toxic if swallowed. |
| H312 | Harmful in contact with skin. |
| H400 | Very toxic to aquatic life. |
| H410 | Very toxic to aquatic life with long lasting effects. |
Precautionary statements: P260, P270, P271, P273, P280, P301, P302, P304, P310, P312, P330, P352, P391, P501
03 · Physical and chemical properties
Fenpropathrin 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 | 47.5 °C (117.5 °F) | range, midpoint shown | HSDB |
| Density | 1.15 g/cm³ | at 25 °C | HSDB |
| Solubility | Soluble in common organic solvents (chloroform, acetone, methanol). | HSDB | |
| In xylene 1000, cyclohexanone 1000, methanol 337 (all in g/kg at 25 °C) | at 25 °C | HSDB | |
| In water, 1.41X10-2 mg/l @ 25 °C. | at 25 °C | HSDB | |
| Vapor pressure | 0.00000548 mmHg | at 20 °C | HSDB |
| 0.00000548 mmHg | Haz-Map |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Fenpropathrin
Storage conditions
Pyrethrins with piperonyl butoxide topical preparations should be stored in well-closed containers at a temperature less than 40 °C, preferably between 15-30 °C. /Pyrethrins/
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Incompatible with alkaline materials.
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check Fenpropathrin in the storage compatibility matrix →