methyl-red

methyl red

noun Chemistry.
a water-insoluble solid occurring as a dark-red powder or violet crystals, C 1 5 H 1 5 N 3 O 2 , used chiefly as an acid-base indicator.
Compare methyl orange.


Origin:
1905–10

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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