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单词 methyl orange
释义

Definition of methyl orange in English:

methyl orange

noun
Chemistry
  • An orange crystalline dye that is the sodium salt of the azo compound of dimethylaniline and sulphanilic acid and is chiefly used as an acid–base indicator, changing from red to yellow-orange over a pH range of 3.1 to 4.4; (CH₃)₂NC₆H₄N=NC₆H₄SO₃Na.

Origin

Late 19th century.

 
 

Definition of methyl orange in US English:

methyl orange

noun
Chemistry
  • An orange crystalline dye that is the sodium salt of the azo compound of dimethylaniline and sulphanilic acid and is chiefly used as an acid–base indicator, changing from red to yellow-orange over a pH range of 3.1 to 4.4; (CH₃)₂NC₆H₄N=NC₆H₄SO₃Na.

Origin

Late 19th century.

 
 
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更新时间:2026/7/18 20:06:02