Methyl orange is an azobenzene derivative that can be formed from dimethylaniline and sulfanilic acid, first through a diazonium salt formation with the sulfanilic acid, followed by a nucleophilic attack from the dimethylaniline and rearomatization.
中文名:甲基橙,英文名:Methyl Orange,CAS:547-58-0,化学式:C14H14N3NaO3S,分子量:327.33,密度:0.987g/mLat 25°C,熔点:300 °C,闪点:37 °C,水溶性:Soluble in ethanol. Partially soluble in hot water. Slightly soluble in cold water and pyrimidine. Insoluble in ether and alcohol.,MSDS.
Methyl orange is a popular pH indicator that is used in the titration. The colour of the solution turns red when methyl orange is used as an indicator of acid. When methyl orange is mixed with a base, the result is yellow, or the colour changes to yellow. As a pH symbol, methyl orange is used.
2024年4月22日 · Methyl orange (helianthin, Poivrier orange, gold orange or orange III) of molecular formula (C 14 H 14 N 3 SO 3 Na) is a sodium salt of a diazocompound. The IUPAC systematic name is s odium 4- { [4- (dimethylamino)phenyl]diazenyl}benzene-1-sulfonate.
2021年5月20日 · Methyl orange (MO) is a common anionic azo dye that is harmful to the environment and biology, so it must be treated innocuously before it can be discharged. Adsorption is an effective method...
2024年10月23日 · Methyl orange is an orange, azoic dye. It has a transition range from 3.1 to 4.4. Methyl orange does not have a full spectrum of color change, but has a sharper end point. Methyl orange shows red color in acidic medium (pH < 3.1) and yellow color in basic medium (pH > 4.4).