background and overview[1] there are many factors that cause rubber to age. research shows that the main factors include oxygen, ozone, trace amounts …
background and overview[1-2] with the rapid development of polymer materials, p-chlorobenzoyl chloride, as an important chemical intermediate, has att…
background and overview[1] methyltetrahydrophthalic anhydride, also known as methyltetrahydrophthalic anhydride, is a light yellow transparent oily li…
background and overview[1][2] 4-aminophenol, also known as “p-hydroxyaniline”, obtains rhombic flake crystals from water and turns purple …
background and overview[1] triphenylborane can be used as a pharmaceutical synthesis intermediate. if triphenylborane is inhaled, move the patient to …
background and overview[1] methyl 2-fluoro-4-hydroxybenzoate can be used as a pharmaceutical synthesis intermediate. if 2-fluoro-4-hydroxybenzoic acid…
background and overview[1] 4-chloro-3-hydroxybenzaldehyde can be used as a pharmaceutical synthesis intermediate. if 4-chloro-3-hydroxybenzaldehyde is…
background and overview[1] 4-trifluoromethylphenylamidine hydrochloride is used as a pharmaceutical synthesis intermediate. if 4-trifluoromethylbenzim…
background and overview[1] 4-ethoxy-3-methoxybenzaldehyde (vanillin ether) can be used as a pharmaceutical synthesis intermediate. vanillyl alcohol et…
background and overview[1] amino(4-methoxyphenyl)acetic acid can be used as a pharmaceutical synthesis intermediate. if amino(4-methoxyphenyl)acetic a…
background and overview[1-2] o-fluoroaniline is a light yellow liquid, oily; the color is not obvious when the amount is small. slightly aromatic and …
background and overview[1] o-chlorobenzoic acid is an important intermediate with a wide range of uses in the pesticide, pharmaceutical and dye indust…