Substance profile
Deltamethrin
Deltamethrin is crystals and is odorless.
01 · Identification
What Deltamethrin is
Deltamethrin is crystals and is odorless. Its molecular formula is C22H19Br2NO3 and its molecular weight is 505.2 g/mol. It melts at 90 °C.
Under the GHS it carries the signal word Danger.
Other names for Deltamethrin
- deltamethrin (ISO)
- (S)-α-cyano-3-phenoxybenzyl (1R, 3R)-3-(2,2-dibromovinyl)-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 |
|---|---|
| H331 | Toxic if inhaled. |
| H301 | Toxic 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, P330, P391, P501
03 · Physical and chemical properties
Deltamethrin 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 | 90 °C (194 °F) | HSDB | |
| 99.5 °C (211.1 °F) | range, midpoint shown | HSDB | |
| Density | 0.5 g/cm³ | ICSC | |
| Solubility | Solubility; in cyclohexanone 750, dichloromethane 700, acetone 500, benzene 450, dimethyl sulphoxide 450, xylene 250, isopropanol 6 (all in g/L at 20 °C) | at 20 °C | HSDB |
| Solubility in water at 20 °C: none | at 20 °C | ICSC | |
| In water, <0.002 mg/L at 25 °C | at 25 °C | HSDB | |
| Vapor pressure | 9.3e-11 mmHg | at 25 °C | HSDB |
| 2e-8 mmHg | Haz-Map | ||
| Vapor pressure, Pa at 20 °C: | at 20 °C | ICSC | |
| Corrosivity | Non-corrosive to metals | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Deltamethrin
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
Strong oxidizing agents, bases, chlorates, nitrates. /Deltaguard G Insecticide Granule/
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check Deltamethrin in the storage compatibility matrix →