Detection method of 1,2,4,5-Tetrachlorobenzene_Kain Industrial Additive
Background and overview[1] 1,2,4,5-Tetrachlorobenzene is soluble in alcohol, ether, benzene, chloroform and carbon disulfide, but insoluble in water. Used to make pesticides, fire retardants and other organic synthetic products. Preparation[1] Method 1: Method 2: Direct chlorination of benzene or chlorobenzene at high temperature under the catalysis of copper or iron; Method 3: Detection method[2] Ultrasound-assisted…
Preparation of 2,3,4,5-tetrahydro-1H-benzo[d]azepine_Kain Industrial Additive
Background and overview[1][2] 2,3,4,5-Tetrahydro-1H-benzo[d]azepine (hydrochloride), CAS number 4424-20-8, chemical formula C10H13N. Molecular weight 147.21700. Density 0.981g/cm3, boiling point 258.8ºC at 760 mmHg, flash point 114.9ºC, refractive index 1.53. 2,3,4,5-Tetrahydro-1H-benzo[d]azepine (hydrochloride) is available Used as pharmaceutical and chemical synthesis intermediates. If 2,3,4,5-tetrahydro-1H-benzo[d]azepine (hydrochloride) is inhaled, move the patient to fresh air; in case of skin contact,…
Application of α-bromo-2,3,4,5,6-pentafluorotoluene_Kain Industrial Additive
Background and Overview α-Bromo-2,3,4,5,6-pentafluorotoluene is a benzene derivative that can be used as a derivatization reagent for gas chromatography analysis of multifunctional thiols, and can also be used to prepare pentafluorobenzene ester. Apply[1] α-Bromo-2,3,4,5,6-pentafluorotoluene can be used to prepare trithiocarbonate-bis(pentafluorobenzyl)ester: Reversible addition-fragmentation chain transfer polymerization (RAFT polymerization) is a typical controllable and living radical polymerization…
Preparation method of sodium 2,4,6-trichlorophenol_Kain Industrial Additive
Background and overview[1-2] The composition of high-boiling chlorophenols is very complex, mainly containing o-chlorophenol, 2,4-dichlorophenol, 2,4,6-trichlorophenol, 4-bromo-2,5-dichlorophenol, 4 , 4-dichlorodiphenylsulfone and dichlorophenoxychlorophenol, etc. Among them, chemical products with relatively high added value are o-chlorophenol, 2,4-dichlorophenol and 2,4,6-trichlorophenol. The content of 2,4,6-trichlorophenol is the largest among high-boiling chlorophenols, at about 55 wt%, while the content of…
Application of 2,4,6-Trichlorobenzaldehyde_Kain Industrial Additive
Background and overview[1] 2,4,6-Trichlorobenzaldehyde can be used as a pharmaceutical synthesis intermediate. Preparation[1] The preparation of 2,4,6-trichlorobenzaldehyde is as follows: The specific steps are as follows: Under argon protection and minus 78 degrees Celsius, add 10.0g (55.1mmol) 1,3,5-trichlorobenzene and 100ml ultra-dry tetrahydrofuran into a 250ml single-neck flask. Then add 23ml (2.4M, 55.2mmol) n-butyllithium n-hexane solution…
(4,8-bis(4-chloro-5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-B4,5-B’]dithiophene-2,6-diyl) Preparation of bistrimethyltin_Kain Industrial Additives
Background and overview[1] (4,8-bis(4-chloro-5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-B4,5-B’]dithiophene-2,6- Diyl) bistrimethyltin can be used as a pharmaceutical synthesis intermediate. If you inhale (4,8-bis(4-chloro-5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-B4,5-B’]dithiophene-2,6-bis (Bit) bistrimethyltin, please move the patient to fresh air; if the skin comes into contact, take off contaminated clothing, rinse the skin thoroughly with soap and water, and seek medical treatment if you feel uncomfortable; if the…
Application of 2,3,4,6-Tetrachlorophenol_Kain Industrial Additive
Background and overview[1] Arsenic atomic absorption standard, also known as 2,3,4,6-tetrachlorophenol in Chinese, can be used as a pharmaceutical synthesis intermediate. Chlorophenols are a typical class of “three-causing (carcinogenic, teratogenic, mutagenic)” organic pollutants and are widely used in the production of preservatives, dyes, herbicides and pesticides. At the same time, chlorophenols by-products may also be…
Application of 2,4,6-trimethylbenzenesulfonyl chloride_Kain Industrial Additive
Background and overview[1][2] 2,4,6-Trimethylbenzenesulfonyl chloride is an organic chemical intermediate that can undergo acylation reactions with some nucleophilic groups and can also be used as an activator to synthesize cinpazide maleate. Apply[1-2] 1. Used in the synthesis of cinpazide maleate Cinepazide maleate is a calcium channel blocker. By preventing Ca2+ from crossing the membrane into…
Main applications of 2,4,5-trimethoxybenzaldehyde_Kain Industrial Additives
Background and overview[1] 2,4,5-Trimethoxybenzaldehyde is mainly used in the preparation of asarone. α-Asarone is mainly found in the volatile oils of plants such as Acorus calamus, a natural product. It has sedative, prolonged hypnosis and antibacterial effects. It is clinically used for the treatment of chronic bronchitis, epilepsy, coma and other mental diseases. Since the…
Preparation method of 2,4,6-tri-tert-butyronitrosobenzene_Kain Industrial Additive
Background and overview[1] 2,4,6-Tri-tert-butylnitrosobenzene can be used as a pharmaceutical synthesis intermediate. If 2,4,6-tri-tert-butyl-nitrosobenzene is inhaled, please move the patient to fresh air; if the skin comes into contact, take off contaminated clothing and wash the skin thoroughly with soap and water. If you feel discomfort , seek medical attention; if eye contact occurs, separate…
