FIELD: chemistry.
SUBSTANCE: invention relates to a composition comprising a) an organic material susceptible to oxidative, thermal, or light degradation, which is a polymer, an oligohydroxy compound, wax, fat or mineral oil, provided that the polymer is not polypeptide, agar-agar, or an agar- agar component, and the oligohydroxy compound is not glucose or an agar-agar component; b) a compound of formula I, wherein n is 1, R5 is H, C1-C12-alkyl, C6-cycloalkyl, C6-aryl, OH, C1-alkoxy, C7-aralkyloxy, R1-R4 and R6-R9 each is independently of one another, H, C1-alkyl, C1-alkoxy, halogen; c) an additional additive, which is a phenolic antioxidant; and d) the second additional additive, which is phosphite. The invention also relates to the use of the said composition, a method of protecting an organic material, a compound of formula 
, and an additive composition based on a compound of formula (I).
EFFECT: composition is produced useful for protecting an organic material susceptible to oxidative, thermal, or light degradation.
15 cl, 7 tbl, 23 ex
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