CAS No. [41556-26-7] and [82919-37-7]
Chemical name: Mixture of Bis (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate and
1-(Methyl)-8-(1,2,2,6,6-pentamethyl-4- piperidyl) sebacate
Molecular formula: C₃₀H₅₆N₂O₄ and C₂₁H₃₉NO₄
Molecular weight: 508.78 and 369.54
Specification:
        Appearance: light yellow liquid
        Assay: 96% min.
        Transmittance: 425nm: 97% min.
        500nm: 99% min.
        Ash: 0.1% max.
Packing: 25kg fibre drum
Usage:
        Hindered amine light stabilizer. Mainly used in coatings, printing ink and polyurethane lacquer, preventing coating from blowing-out and surface peering-off ,with better effect for mobile coating.
Molecular structure:
 
and