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Acrylic acid, ester series polymerization inhibitor Polymerization inhibitor 705

Physical and chemical properties

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: 585.8u00baC at 760 mmHg
Flammability: no data available
Lower and upper explosion limit / flammability limit: no data available
Flash point:308.1u00baC
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 25u00b0C
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/bag

Handling and storage

Precautions 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


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.

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