Alpha-Terthiophene CAS 1081-34-1

1. Alpha-Terthiophene is a naturally occurring oligothiophene primarily used in materials science as a building block for organic semiconductors, including polythiophenes for applications in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and organic field-effect transistors (OFETs) .
2. Alpha-Terthiophene CAS 1081-34-1 exhibits significant phototoxic properties and is employed in agricultural research as a natural insecticide and larvicide, with studies demonstrating efficacy against mosquito larvae at concentrations as low as 11 ppb under sunlight exposure .
3. Alpha-Terthiophene serves as a research tool in biological studies for its antibacterial, antifungal, antiproliferative, and antioxidant activities, and is utilized in pharmacological research for cell-based assays and bioactive screening .
4. In analytical chemistry, Alpha-Terthiophene is used as a reference standard for the quality control and quantification of Tagetes extracts in cosmetic and fragrance products, where regulatory limits apply due to its phototoxic potential .

1. Alpha-Terthiophene must be stored in a tightly sealed container in a cool, dry, and well-ventilated environment, protected from light and moisture; recommended storage at 2-8°C (refrigerated) or -20°C for long-term stability .
2. Alpha-Terthiophene CAS 1081-34-1 is classified with GHS hazard statement H315 (Causes skin irritation) and is considered a phototoxic compound, requiring strict protection from UV light exposure during handling .
3. Personnel must wear chemical-resistant gloves (nitrile), safety goggles with side-shields, and protective clothing when handling Alpha-Terthiophene, ensuring adequate ventilation and avoiding formation of dust and aerosols .
4. Keep Alpha-Terthiophene CAS 1081-34-1 away from incompatible materials such as strong oxidizing agents, strong acids, and strong bases to prevent decomposition; do not release into the environment as the compound may be harmful to aquatic life .

1. Isolate the spill area, ensure adequate ventilation, and wear full personal protective equipment including chemical-resistant gloves, safety goggles, and suitable dust respirator when Alpha-Terthiophene is released .
2. Collect Alpha-Terthiophene CAS 1081-34-1 by sweeping or vacuuming without creating dust using non-sparking tools; absorb solutions with finely-powdered liquid-binding materials such as diatomite or universal binders .
3. Avoid creating dust clouds during cleanup to prevent respiratory exposure; decontaminate surfaces and equipment by scrubbing with alcohol .
4. Dispose of collected material as hazardous waste according to local, state, and federal environmental regulations; prevent the product from entering drains or water courses .

1. Alpha-Terthiophene is not classified as highly flammable but may decompose under fire conditions, emitting toxic and irritant fumes .
2. Use water spray, dry chemical powder, carbon dioxide, or alcohol-resistant foam to extinguish fires involving the product; do NOT use a direct water jet as Alpha-Terthiophene CAS 1081-34-1 may scatter burning material .
3. Firefighters should wear self-contained breathing apparatus in pressure-demand, MSHA/NIOSH approved, and full protective gear when handling burning Alpha-Terthiophene due to hazardous decomposition gases generated by thermal decomposition .
4. During combustion, may emit irritant and toxic fumes; contain fire runoff to prevent environmental contamination .