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2-Anilino-6-Dibutylamino-3-Methylfluoran (ODB-2) is a high-performance leuco dye for thermosensitive imaging. A pale yellow to orange crystalline powder (molecular formula: C₂₈H₃₇N₃O₂), it dissolves well in organic solvents like toluene. Its fluorane ring structure with amino substituents enables reversible color change: colorless at room temperature, it turns vivid deep blue/black when heated (80–120°C) with an acidic developer.
In the context of global environmental regulations tightening and the industry’s increasing focus on safety, halogen-free flame retardants have become a core demand in fields such as plastics, coatings, and textiles. Among them, Ammonium Polyphosphate (APP) stands out as a high-performance, eco-friendly solution, winning wide recognition for its excellent flame-retardant efficiency and low environmental impact. As a professional manufacturer with 18 years of experience in halogen-free flame retardants, we are committed to providing high-quality APP products and customized solutions for global clients.
You can trust bronopol to give steady results in labs and factories. This compound fights germs well, is very safe, and works in many ways. The table below shows its main benefits:
