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tropeolin d

 - 3 dictionary results

methyl orange

 
–noun Chemistry.
an orange-yellow, slightly water-soluble powder, C1 4H1 4N3NaO3S, used chiefly as an acid-base indicator.
Also called gold orange, helianthine B, orange III, tropaeolin D, tropeolin D.
Compare methyl red.

Origin:
1880–85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: methyl orange
Function: noun
: a basic azo dye C14H14N3NaO3S that is used chiefly as an acid-base indicator andwhose dilute solution is yellow when neutral and pink when acid
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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