FIELD: chemistry.
SUBSTANCE: composition can be used as internal combustion engine lubricating oil which meets environmental requirements. The composition contains: (A) lubricating base oil, (B) sulphonated oxymolybdenum dithiocarbamate of formula 
(I), (C) an acid amide based compound obtained using mono- and tetra-basic carboxylic acids and alkylamine or alkanolamine; (D) (d1) a partial fatty acid ester and an aliphatic polyatomic alcohol and/or (d2) an aliphatic amine and (E) a benzotriazole derivative of formula 
(II). Content of the component (B) is equal to 0.02-0.1 wt % on molybdenum, content of component (C) is equal to 0.2-1.0 wt %, content of component (D) is equal to 0.2-1.0 wt %, content of component (E) is equal to 0.02-0.1 wt %.
EFFECT: reduced friction combined with high anticorrosion action with respect to copper and lead.
3 cl, 2 tbl, 11 ex
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