This product is mainly used as a specific polymerization inhibitor for high temperature resistant vinyl monomers and is widely used in the production process of hydroxyethyl acrylate, hydroxypropyl acrylate, and hydroxyethyl and hydroxypropyl methacrylate. It is also used in the synthesis of light-curable reactive diluent multifunctional acrylate.Physical state: no data available Colour: dark red or brownish red Odour: no data available Melting point：≥125℃ Freezing point: no data available Boiling point or initial boiling point and boiling range: 585.8\u00baC at 760 mmHg Flammability: no data available Lower and upper explosion limit / flammability limit: no data available Flash point：308.1\u00baC Auto-ignition temperature：no data available Decomposition temperature：no data available pH：no data available Kinematic viscosity：no data available Solubility：no data available Partition coefficient n-octanol/water (log value)：no data available Vapour pressure：3.06E-15mmHg at 25\u00b0C Density and/or relative density：no data available Relative vapour density：no data available Particle characteristics：no data available Chemical stability: Stable under recommended storage conditions. Packing: 25kg/drum or 25kg/bagPrecautions for safe handling: Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. Conditions for safe storage, including any incompatibilities: Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

Item	Specification
Appearance	Dark red or brownish red crystalline powder
Mixed ester Assay (HPLC)  %	≥98.0
Melting Point ℃	≥125℃
Volatile %	≤0.5