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Topic: Azo Dye Naming Help  (Read 1944 times)

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Offline jdover5199

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Azo Dye Naming Help
« on: March 17, 2019, 02:51:18 PM »
Working on a lab report and can't seem to find out the chemical name of this azo dye we used in synthesis. Tried to search on google based solely on the chemical formula and could not seem to find the right structure, and it is a little too complicated to name by myself. Any ideas?
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Offline sjb

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Re: Azo Dye Naming Help
« Reply #1 on: March 17, 2019, 03:42:18 PM »
C1=CC=C(C2=C1C=CC=C2[S](=O)(=O)[O-])NC3=CC=CC=C3.[N+]([H])([H])([H])[H]

The parent (naphthalene) is something like 8-aminonaphthalene-1-sulfonic acid. Can you piece together the rest?
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Offline AWK

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Re: Azo Dye Naming Help
« Reply #2 on: March 17, 2019, 04:03:56 PM »
ANSA is not an azo dye. It is used as a fluorescent indicator.
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Offline wildfyr

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Re: Azo Dye Naming Help
« Reply #3 on: March 17, 2019, 04:41:30 PM »
Azo dyes will by definition have N=N in them.
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