күрделі эфир

RCOOR_ A fatty acid in which the alkyl group (R_) of a monohydric alcohol replaces the active hydrogen; for example, RCOOCH 3 from reaction of RCOOH with methane.

синтетикалық күрделі эфир

Chemistry; Organic chemistry

A compound containing two ester groupings.

күрделі эфир кварцы

Chemistry; Organic chemistry

Hydrophobic silica powder, an ester of -SiOH with a monohydric alcohol; used as a filler in silicone rubbers, plastics, and printing inks.

абиетин қышқылы

Chemistry; Organic chemistry

C 20 H 30 O 2 A tricyclic, crystalline acid obtained from rosin; used in making esters for plasticizers.

альфин катализаторы

Chemistry; Organic chemistry

A catalyst derived from reaction of an alkali alcoholate with an olefin halide; used to convert olefins (for example, ethylene, propylene, or butylenes) into polyolefin polymers.

бензотиазоль

Chemistry; Organic chemistry

C 6 H 4 SCHN A thiazole fused to a benzene ring; can be made by ring closure from o-amino thiophenols and acid chlorides; derivatives are important industrial products.

целлюлозалық

Chemistry; Organic chemistry

Any of the derivatives of cellulose, such as cellulose acetate.

3,5-диаминобензоқышқыл

Chemistry; Organic chemistry

C 7 H 8 N 2 O 2 Monohydrate crystals with a melting point of 228_C; soluble in organic solvents such as alcohol and benzene; used in the detection and determination of nitrites.