S-Bioallethrin
- CAS NO.：28434-00-6
- Empirical Formula: C19H26O3
- Molecular Weight: 302.41
- MDL number: MFCD00167397
- EINECS: 249-013-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:52
What is S-Bioallethrin?
Chemical properties
S-Bioallethrin is a yellow liquid. It is miscible with most organic solvents. S-Bioallethrin is the ester of the (1R, trans)-acid with (1S)-allethrolone. S-bioallethrin is a synthetic pyrethroid with fast knock-down activity against household pest insects. It is several times as effective as allethrin against flying and crawling insects. It is used in public health applications against mosquitoes, houseflies and cockroaches.
The Uses of S-Bioallethrin
S-Bioallethrin, by far the most potent constituent of allethrin, is a contact insecticide with rapid knockdown effect. Its effectiveness is enhanced by the addition of a synergist such as piperonyl butoxide or MGK 264 in pesticide formulations. It is used in aerosols, coils or sprays indoors against flying and crawling insects.
Definition
ChEBI: (+)-trans-(S)-allethrin is a (+)-trans-allethrin. It is an enantiomer of a (-)-trans-(R)-allethrin.
General Description
Clear to amber viscous liquid. A synthetic insecticide structurally similar to pyrethrin.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
ALLETHRIN is incompatible with alkalis.
Properties of S-Bioallethrin
| Boiling point: | 140°C (13.33 Pa) |
| Density | 1.02 |
| refractive index | 1.4200 (estimate) |
| Flash point: | 120 °C |
| storage temp. | 2-8°C |
| solubility | DMSO : 100 mg/mL (330.68 mM; Need ultrasonic) |
| form | neat |
| form | Liquid |
| color | Light yellow to yellow |
| Water Solubility | insoluble |
| Stability: | Light Sensitive, Temperature Sensitive |
| EPA Substance Registry System | d-trans-Allethrin (28434-00-6) |
Safety information for S-Bioallethrin
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Environment GHS09 |
| GHS Hazard Statements |
H330:Acute toxicity,inhalation H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P403+P233:Store in a well-ventilated place. Keep container tightly closed. |
Computed Descriptors for S-Bioallethrin
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