3,5-DI-TERT-BUTYL-O-BENZOQUINONE DTBQ CAS 3383-21-9
3383-21-9 3,5-DI-TERT-BUTYL-O-BENZOQUINONE DTBQ, a steric-stabilized ortho-phenolate derivative, is mainly used as an organic synthesis building block, a high-molecular antioxidant, and a pharmaceutical intermediate. It possesses both redox activity and stability, and is commonly used in the fields of fine chemicals and materials.
Solubility: Soluble in chloroform, ethanol, acetone; slightly soluble in methanol; insoluble in water
Stability: Stable at room temperature; sensitive to light, needs to be stored in a dark place; good heat resistance
| Item | Specifications |
| CAS | 3383-21-9 |
| Melting point | 112–114 °C |
| Boiling point | Approximately 321 °C (estimated) |
| Density | 1.0106 (approximate value) |
Organic synthesis oxidants
Often used as mild and selective oxidants, they are employed for oxidizing phenols, alcohols, amines, sulfides, etc.; they are used in organic synthesis to prepare quinones, carbonyl compounds, and heterocyclic intermediates.
Light initiation and curing
3,5-DI-TERT-BUTYL-O-BENZOQUINONE DTBQ CAS 3383-21-9 used in visible light curing systems (such as 3D printing inks, UV adhesives, coatings), with fast reaction and less yellowing, suitable for electronic-grade applications.
Polymers and rubbers
3,5-DI-TERT-BUTYL-O-BENZOQUINONE DTBQ CAS 3383-21-9 used as polymerization inhibitors, antioxidants, crosslinking aids, to enhance the thermal stability and processing safety of polymers.
Catalysis and coordination chemistry
As redox ligands, used in metal complexes, mimetic enzyme catalysts, molecular switches, and magnetic materials design.
Electronic chemicals
High-purity grade (≥99.5%) for OLEDs, photovoltaic materials, with metal ion impurities ≤10 ppm.
• Standard Packing: 25 kg/bag; 25 kg/drum
• MOQ: to be confirmed by grade and destination
• Lead Time: to be confirmed by order quantity and production schedule
• Shipping: sea / air / express options available
• Store in a cool, dry, and well-ventilated place.
• Keep container tightly closed and protected from moisture.
• Avoid direct sunlight, heat, and open flame.
• Follow SDS guidance for incompatible materials.










