4,4’-Oxalyldibenzonitrile (CAS 92967-67-4), also known as 4,4’-dicyanobenzil, is an organic compound belonging to the class of benzil derivatives that are functionalized with cyano groups at the para positions of the phenyl rings. The presence of both the electron-withdrawing cyano groups and the central 1,2-diketone motif makes 4,4’-Oxalyldibenzonitrile a valuable building block for the construction of sophisticated molecular architectures in the fields of organic synthesis and materials science. Researchers employ 4,4’-Oxalyldibenzonitrile as a key precursor for the development of functional molecules with promising catalytic activities. For example, derivatives derived from benzonitriles have been explored as chiral ligands/catalysts for asymmetric reactions and as functional molecules showing anti-bacterial activities for plant protection. Additionally, 4,4’-Oxalyldibenzonitrile and its related substituted benzonitriles have been patented for use as bleaching activators that give excellent bleaching performance when combined with a peroxygen source, making it useful for laundry applications. The compound is also an intermediate in the synthesis of more complex heterocycles, for example being a component in the synthesis of antifungal and antiprotozoal agents. Additionally, the compound’s application in material science is being researched due to its potential electronic characteristics.
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Parameter |
Specification |
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CAS Number |
92967-67-4 |
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Molecular Formula |
C₁₆H₈N₂O₂ |
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Molecular Weight |
260.25 g/mol |
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Purity |
≥95% (standard); ≥98% available |
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Appearance |
Yellow to brown solid (observed) |
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Boiling Point |
513.8 ± 35.0 °C (Predicted) |
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Density |
1.32 ± 0.1 g/cm³ (Predicted) |
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Complexity |
431 |
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Canonical SMILES |
C1=CC(=CC=C1C#N)C(=O)C(=O)C2=CC=C(C=C2)C#N |
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Storage Condition |
Sealed in dry, room temperature |
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Solubility |
Soluble in dichloromethane, ethyl acetate, DMF; insoluble in water |
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Advantage |
Detail |
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Production Strength |
GMP-certified campus spanning 100+ mu, 3 multi-purpose workshops, 6 D-grade clean zone production lines, and 150+ reactors (20L–5000L), supporting high/low temp, anaerobic & hydrogenation; kg to ton scale production. |
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Fast Delivery |
R&D samples: one week; commercial orders: 1–2 months after payment. Express (DHL/FedEx) or air/sea freight available. |
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Global Partners |
Trusted by 30+ pharmaceutical companies in USA, Europe, India, Brazil, and Southeast Asia; long-term cooperation with generic drug manufacturers, CROs, and impurity standard distributors. |
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Licensed Exporter |
Valid drug import/export license — no compliance delays. |
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Dual Quality Grades |
Both research/pharma grade（≥98%）and high-purity impurity grade（≥99%）available to meet diverse customer needs. |
● Temperature: Sealed in dry, room temperature (15–25 °C) — do not freeze
● Container: Airtight, tightly sealed container
● Protection: Store away from moisture, light, and strong oxidizing agents
● Desiccation: Keep in a dry environment; the compound may be hygroscopic
● Stability: Stable under recommended storage conditions for up to 24 months
● Incompatibilities: Strong oxidizing agents, strong bases, and strong acids
1.GHS Hazard Classification: Warning
2.Hazard Statements: H315 (Causes skin irritation), H319 (Causes serious eye irritation)
3.Precautionary Statements:
● Wash thoroughly after handling
● Wear protective gloves/protective clothing/eye protection/face protection
● IF ON SKIN: Wash with plenty of water
● IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Transport Information: Not classified as a DOT hazardous material for transport under normal conditions. For international shipping, standard laboratory chemical packaging applies.
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