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P.A.T H-Tempo (also referred to as 4-Hydroxy-TEMPO) is used as a stabilizer for countering oxidation and/or the polymerization of unsaturated compounds such as acrylic acid, butadiene, styrene, etc. H-TEMPO is also used as a shortstopper for radical polymerization processes, e. g. in the manufacture of oligoester acrylates.

Functions: Stabilizer

Compatible Polymers & Resins: Acrylics, Polybutadienes, Polystyrenes (PS)

Synonyms: 4-Hydroxy-2,2,6,6-tetramethylpiperidinyloxyl, Tempol

Technical Data Sheet

Knowde Enhanced TDS

Identification & Functionality

Chemical Name
Plastics & Elastomers Functions

Applications & Uses

Compatible Polymers & Resins

Properties

Physical Form
Appearance
Tangerine color needle-like flakes
Typical Properties
ValueUnitsTest Method / Conditions
Water Contentmax. 0.50%—
Melting Point64 - 72°C—
Contentmin. 99.0%Gas chromatography
Ash Contentmax. 0.10%—

Packaging & Availability

Packaging Type
Regional Availability
  • Global
Packaging Information

H-TEMPO from PAT is packaged in 25 kg fiber drums. 18 drums per pallet.