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 2,3-dichlorobenzamide_kain industrial additive
background and overview[1] 2,3-dichlorobenzamide can be used as a pharmaceutical synthesis intermediate. if 2,3-dichlorobenzamide is inhaled, 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 attention if you feel uncomfortable; if the eyes if exposed to sunlight,…
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…
application of 2,6-dibromotoluene_kain industrial additive
background and overview[1][2] 2,6-dibromotoluene can be obtained by bromination of p-nitrotoluene and can be used to prepare 2,6-dibromobenzyl. preparation[1] 1,3-dibromo-2-methyl-5-nitrobenzene: to a solution of 1-methyl-4-nitrobenzene (30.0g, 218.8mmol) in chcl3 (120ml), add iron powder (3.6g, 64.5mmol) and stir mechanically. then bromine (124.8g, 40ml, 780.9mmol) was slowly added while increasing the temperature to 40°c. after addition of…
application of 2,5-diaminotoluene dihydrochloride_kain industrial additive
background and overview[1] 2,5-diaminotoluene dihydrochloride can be used as a pharmaceutical synthesis intermediate. if 2,5-diaminotoluene dihydrochloride is inhaled, move the patient to fresh air; if skin contact occurs, take off contaminated clothing, rinse the skin thoroughly with soap and water, and seek medical attention if you feel uncomfortable. apply[1] 2,5-diaminotoluene dihydrochloride can be used as…
application of 2,4-dichlorophenoxyacetic acid_kain industrial additive
background[1-3] 2,4-dichlorophenoxyacetic acid (2,4-d) is a common systemic herbicide used to control broadleaf weeds. it is the most widely used herbicide in the world and the third most used in north america. 2,4-d is also an important synthetic auxin, commonly used in laboratories for plant research and as a supplement to plant cell culture media…
