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4-Hydroxy-2,2,6,6,-tetramethyl-4-piperidinyl oxide,free radical

Chemical name:4-Hydroxy-2,2,6,6,-tetramethyl-4-piperidinyl oxide,free radical
CAS NO.: 2226-96-2
Molecular formula:C₉H₁₈NO₂
Molecular weight: 172.25
Structural formula:
 
Quilaty standard: 
Appearance: orange crystalline powder
Assay: 99.0% min
Loss on drying: 0.50% max
Ash:0.10% max
Melting point: 67 -72 
Packing: 25kgs net/fiber drum.
Usage: highly efficient polymerization inhibitor for acrylate monomers, acrylic acid,acrylonityile, styrene monomer and butadiense.