3,5-DI-TERT-BUTYL-O-BENZOQUINONE DTBQ CAS 3383-21-9

CAS No.: 3383-21-9
Purity: 98%
Molecular formula: C₁₄H₂₀O₂
Molecular weight: 220.31
Appearance: Orange-red to dark red crystals, with ketone-like odor
Other name: 3,5-Di-tert-butyl-o-benzoquinone (DTBQ); 3,5-di-tert-Butyl-ortho-benzoquinone; o-Benzoquinone, 3,5-di-tert-butyl-; Dibutylbenzoquinone

3,5-DI-TERT-BUTYL-O-BENZOQUINONE CAS 3383-21-9

3,5-DI-TERT-BUTYL-O-BENZOQUINONE (CAS 3383-21-9, abbreviated as DTBQ) is a strong oxidizing, orange-red crystalline organic quinone compound, mainly used in organic synthesis, photoinitiation, polymer and catalysis fields.

Specification

Item	Specifications
CAS	3383-21-9
Melting point	112–114 °C
Boiling point	Approximately 321 °C (estimated)
Density	1.0106 (approximate value)

Application

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
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
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.