Definition of Methyl orange

1. Noun. An azo dye used as an acid-base indicator; used for titrations involving weak bases.

Generic synonyms: Acid-base Indicator, Azo Dye

Definition of Methyl orange

1. Noun. (chemistry) An azo dye used as an acid-base indicator for titrations involving a weak base ¹

¹ Source:

Medical Definition of Methyl orange

1. C14H14N3O3SNa;a weakly acid dye used as a pH indicator (red at 3.2, yellow at 4.4). Synonym: helianthine. (05 Mar 2000)

Methyl Orange Pictures

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Lexicographical Neighbors of Methyl Orange

methyl formate
methyl green
methyl green-pyronin stain
methyl group
methyl hydroxybenzoate
methyl iodide
methyl isobutyl ketone
methyl jasmonate
methyl mercaptan
methyl mercury
methyl methacrylate
methyl methanesulfonate
methyl methyacrylate
methyl n-butyl ketone
methyl nicotinate
methyl orange (current term)
methyl parathion
methyl phenol
methyl radical
methyl red
methyl salicylate
methyl sterol oxidase
methyl sulfoxide reductase
methyl t-butyl ether
methyl tert-butyl ether
methyl tertiary butyl ether
methyl violet
methyl xanthine
methyl yellow

Literary usage of Methyl orange

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Dictionary of Applied Chemistry by Thomas Edward Thorpe (1912)
"those of litmus, the indicator is more closely allied to methyl orange. It ¡к only «lightly affected by carbon dioxide, although direct t it ration of ..."

2. Standard Methods of Chemical Analysis: A Manual of Analytical Methods and by Wilfred Welday Scott (1922)
"In the procedure, the alkali is neutralized in presence of methyl orange (or ... methyl orange indicator is added and the solution is titrated with normal ..."

3. The Chemical News and Journal of Industrial Science (1901)
"Methyl-orange. sodium carbonate solution was well diluted, ... 2-57 Methyl-orange. If carbonate was present then it is impossible to eliminate the same by ..."

4. Standard Methods for the Examination of Water and Sewage by American Chemical Society (1917)
"PROCEDURE WITH methyl orange. Add 2 drops of methyl orange indicator to 50 or ... The methyl orange alkalinity in parts per million of calcium carbonate is ..."

5. A Dictionary of Applied Chemistry by Thomas Edward Thorpe (1921)
"Ethyl orange is stated by Wieland to be even better than methyl orange (Ber. ... One gram of pure methyl orange (either the free acid or its sodium salt) is ..."

6. Journal of the American Chemical Society by American Chemical Society (1900)
"more dissociated) than either phenolphthalein or methyl orange, and acetic acid is so much stronger than phenolphthalein, that the indicator is completely ..."

7. Second Year College Chemistry by William Henry Chapin (1922)
"Sensitiveness of methyl orange Indicator and its End-point Correction. ... To each tube now add two drops of methyl orange indicator * and then stir the ..."

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