Introduction of Acetylacetone
Acetylacetone is a beta-diketone that is pentane in which the hydrogens at positions 2 and 4 are replaced by oxo groups.
Jan 19，2022 Organic Synthesis Intermediate
Application of Dicyandiamide
Dicyanodiammonia, abbreviated as dicy or DCD. It is an organic substance with the chemical formula of c2h4n4. It is a dimer of cyanamide and a cyano derivative of guanidine.
Jan 19，2022 Inhibitors
Food Additive---Polysorbate 80
Polysorbate 80, also known as Tween 80, is a synthetic nonionic surfactant commonly used in food, cosmetics, and drug formulations as a solubilizer, stabilizer, or emulsifier.
Jan 18，2022 Food Additives
What is Estrone?
Estrone, one of the major mammalian estrogens, is an aromatized C18 steroid with a 3-hydroxyl group and a 17-ketone. It is produced in vivo from androstenedione or from testosterone via estradiol.
Jan 18，2022 API
Toxicity of Diethylene glycol
Diethylene glycol (DEG) is a commonly used solvent and ingredient in numerous commercial products. It is used as a dehydrating agent for natural gas processing; as a lubricating and finishing agent fo
Jan 18，2022 Organic Chemistry
Toxicity of Dichloromethane
Dichloromethane (DCM; mol. wt. 93.328) was first prepared in 1840 by mixing chloromethane and chlorine and exposed to sunshine. It has been used as a versatile solvent to dissolve various organic comp
Jan 18，2022 Organic Chemistry
Uses and Toxicity of 1,1-Dichloroethane
Chlorinated aliphatics as a class are known to cause central nervous system (CNS) depression and respiratory tract and dermal irritation when humans are exposed by inhalation to sufficiently high conc
Jan 18，2022 Organic Chemistry
Toxicity of 1,2-Dichloroethane
1,2-Dichloroethane is a clear, manufactured liquid that is not found naturally in the environment. It evaporates quickly at room temperature and has a pleasant smell and a sweet taste. 1,2-Dichloroeth
Jan 18，2022 Organic Chemistry
Toxicity and Resistance of Dicamba
Dicamba has been classified by the US Environmental Protection Agency (EPA) as toxicity class III – slightly toxic. Products containing dicamba must bear the signal word WARNING due to its irritating
Jan 18，2022 Chemical pesticides 
Toxicity of Dibromochloropropane
Dibromochloropropane (DBCP) was extensively used as a pesticide on a wide variety of crops from the year it was originally synthesized, 1955, until 1977. From that year until 1979, the Environmental P
Jan 18，2022 Chemical pesticides