Abstract: A tablet formulation comprising: (i) a pesticide characterized by low or no water solubility, and (ii) a complementary delivery system containing an organic acid, an inorganic base, a dispersant, a disintegrant, and a wetting agent.

Abstract: Water-soluble complexes, which have herbicidal utility, can be formed from urea and alkali metal salts of selected sulfonylureas, e.g., chlorsulfuron.

Abstract: A process for the preparation of 2,2'-azobis(2-methylbutanenitrile) in high yield, good quality and filtering and drying characteristics by reacting 2-amino-2-methylbutanenitrile with a metal hypochorite in the presence of water and a mixture of surface active compounds at a temperature of about -10.degree. C. to about 30.degree. C. and recovering the 2,2'-azobis(2-methylbutanenitrile) from the reaction mixture.

Abstract: A process for the preparation of 2,2'-azobis (2,4-dimethylpentanenitrile) with improved filtering and drying characteristics, said process comprising reacting 2-amino-2,4-dimethylpentanenitrile with a metal hypochlorite in the presence of water, a mixture of quaternary ammonium surface active compounds and ionic bromide wherein the equivalent ratio of ionic bromide to surface active compound is 0.4:1-12.0:1 at a temperature of about -10.degree. C. to about 30.degree. C., and recovering 2,2'-azobis(2,4-dimethylpentanenitrile) from the reaction mixture.

Abstract: A process for the preparation of 2,2'-azobis(2,4-dimethyl-4-methoxypentanenitrile) in improved yields with improved filtering characteristics, said process comprising reacting 2-amino-2,4-dimethyl-4-methoxypentanenitrile with a metal hypochlorite in the presence of water, a quaternary ammonium surface active compound and ionic bromide wherein the equivalent ratio of ionic bromide to surface active compound is 0.4:1-4:1 at a temperature of about -10.degree. C. to about 30.degree. C., and recovering 2,2'-azobis(2,4-dimethyl-4-methoxypentanenitrile) from the reaction mixture.

Abstract: Process for removing water from a solution of water in 2-amino-2,4-dimethyl-4-methoxy pentanenitrile comprising treating said pentanenitrile solution with sufficient ammonia to form an ammonia concentration in the ammonia-water composition of at least 18% by weight at from 0.degree. to 50.degree. C, to cause an aqueous layer and a pentanenitrile layer to form, separating the pentanenitrile layer and the aqueous layer and then optionally removing ammonia from the pentanenitrile layer and optionally reacting the pentanenitrile with substantially no ammonia in the presence of a metal hypochlorite and a surfactant to prepare 2,2'-azobis(2,4-dimethyl-4-methoxy pentanenitrile).

Abstract: Liquid mixtures of symmetrical and asymmetrical azonitriles having a maximum freezing point of 25.degree. C. diluted to 10 to 85% by weight of the azonitrile mixture in an inert solvent are provided.

Abstract: Liquid mixtures of symmetrical and asymmetrical azonitriles are provided which have a maximum freezing point of 25.degree. C. including mixtures of:A. 2,2'-azobis(2-methylbutyronitrile), 2,2'-azobis(2-methylhexanonitrile) and 2-[(1-cyano-1-methylpropyl)azo]-2-methylhexanonitrile;B. 2,2-azobis(2-methylbutyronitrile), 2,2'-azobis(2-methylheptanonitrile) and 2-[(1-cyano-1-methylpropyl)azo]-2-methyl-heptanonitrile;C. 2,2'-azobis(2-methylbutyronitrile), 2,2'-azobis(2-ethylhexanonitrile) and 2-[(1-cyano-1-methylpropyl)azo]-2-ethylhexanonitrile;D. 2,2'-azobis(2-methylbutyronitrile), 2,2'-azobis(2-ethylheptanonitrile) and 2-[(1-cyano-1-methylpropyl)azo]-2-ethylheptanonitrile;E. 2,2'-azobis(2-methylbutyronitrile), 2,2'-azobis(2-methyloctanonitrile) and 2-[(1-cyano-1-methylpropyl)azo]-2-methyloctanonitrile;F. 2,2'-azobis(2-methylpentanonitrile), 2,2'-azobis(2-ethylhexanonitrile) and 2-[(1-cyano-1-methylbutyl)azo]-2-ethylhexanonitrile;G.

Abstract: Stable sols of positively charged colloidal silica are prepared from a water soluble basic aluminum salt and a negatively charged colloidal silica sol by introducing into the reaction mixture a carbonate, bicarbonate or phosphate salt which is soluble in the reaction mixture or a mixture of any of them.

Abstract: After an azonitrile is prepared by coupling an aminonitrile in the presence of a hypochlorite, the reaction mixture is acidified to a pH of 4 or less and an alkali metal, alkaline earth metal or quaternary ammonium nitrite, sulfite, bisulfite or thiosulfate, sulfur dioxide, nitrogen oxide, oxalic acid, formaldehyde or hydroxylamine is added as a reducing agent.

Abstract: 2-[(1-Cyano-1-methylethyl)azo]-2-methylpropionamide is provided as a unique compound for catalyzing the polymerization of ethylenically unsaturated compounds.