Synhipol® UV-702 | 4-Oxo-TEMPO

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Synhipol® UV-702 | 4-Oxo-TEMPO

Synhipol® Polymerization Inhibitor

SYNHIPOL® UV-702 is a stable nitroxide radical-based polymerization inhibitor designed to suppress premature polymerization in reactive monomers. Ideal for acrylic esters, styrene, and conjugated dienes, it ensures process stability during storage and transportation.

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Synhipol® UV-702


  • 化学名称：4-Oxo-2,2,6,6-tetramethyl-1-piperidinyloxy;2,2,6,6-tetramethyl-4-oxopiperidinooxy;4-Oxo-TEMPO

  • CAS 登录号： 2896-70-0
    分子式： C₉H₁₈NO₂
    分子量： 170.23

  • Molecular Structure:






​Overview :

SINOCURE® UV-702 is a stable nitroxide radical-based polymerization inhibitor designed to suppress premature polymerization in reactive monomers. Ideal for acrylic esters, styrene, and conjugated dienes, it ensures process stability during storage and transportation.

Key Specifications :
检验项目 (Item) 指标要求 (Specification)
外观 (Appearance) Pale orange-yellow crystal
熔点 (Melting Point) 36–40°C
Volatile Content ≤0.50%
Ash ≤0.10%
纯度/含量 (Assay) ≥98.0%
推荐应用 :

  • Acrylic Systems: Inhibits polymerization in acrylates, methacrylates, and acrylic acid.

  • Olefins & Styrenics: Effective for acrylonitrile, styrene, and butadiene.

  • Industrial Processes: Used in monomer purification, storage, and high-temperature processing.


包装规格 :

  • 180 kg galvanized steel drum (or customized).

贮存 :

Store in a cool, dry place. Protect from high temperature and moisture during transport.

Technical Notes

Mechanism: Acts as a radical scavenger to terminate chain propagation.

Compliance: Suitable for industrial applications requiring low volatility and high thermal stability.


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  • CAS 登录号 :

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