Substance profile
Tefluthrin
Tefluthrin is a colorless solid.
01 · Identification
What Tefluthrin is
Tefluthrin is a colorless solid. Its molecular formula is C17H14ClF7O2 and its molecular weight is 418.7 g/mol. It melts at 44.6 °C.
Under the GHS it carries the signal word Danger.
Other names for Tefluthrin
- tefluthrin (ISO)
- 2,3,5,6-tetrafluoro-4-methylbenzyl (1RS,3RS)-3-[(Z)-2-chloro-3,3,3-trifluoroprop-1-enyl]-2,2-dimethylcyclopropanecarboxylate
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. |
| H310 | Fatal in contact with skin. |
| H300 | Fatal if swallowed. |
| 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, P330, P352, P391, P501
03 · Physical and chemical properties
Tefluthrin 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 | 156 °C (312.8 °F) | at 1 mmHg (reduced pressure) | HSDB |
| Melting point | 44.6 °C (112.3 °F) | HSDB | |
| 41 °C (105.8 °F) | range, midpoint shown | HSDB | |
| Density | 1.48 g/cm³ | at 25 °C | HSDB |
| Solubility | In acetone, hexane, toluene, dichloromethane, ethyl acetate: >500; methanol 263 (all in g/L, 21 °C) | at 21 °C | HSDB |
| In water, 0.02 mg/L at 20 °C | at 20 °C | HSDB | |
| Vapor pressure | 0.00006 mmHg | at 20 °C | HSDB |
| 0.00006 mmHg | Haz-Map |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Tefluthrin
Storage conditions
Safe Storage of Pesticides. Always store pesticides in their original containers, complete with labels that list ingredients, directions for use, and first aid steps in case of accidental poisoning. Never store pesticides in cabinets with or near food, animal feed, or medical supplies. Do not store pesticides in places where flooding is possible or in places where they might spill or leak into wells, drains, ground water, or surface water. /Residential uses/
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check Tefluthrin in the storage compatibility matrix →