Talk:4-Aminophenol

Different compound?
"[…] it is commonly used as a developer in black-and-white film, marketed under the name Rodinal." As far as i know the active ingredient in Rodinal is 4-aminophenol chloride (see http://www.digitaltruth.com/data/rodinal.php). There is any verifiable ref for the above statement?Atelierelealbe (talk) 14:10, 15 January 2012 (UTC)
 * Good catch. For many articles on amines, we don't carefully distinguish the degree of protonation when it comes to commercial formulations, probably because we don't know those details. So I think that the current statement is probably ok.  The redox properties of the amino phenol would however be affected rather strongly.--Smokefoot (talk) 15:02, 15 January 2012 (UTC)

Jacobson's Manual of Photography says they use "an alkali salt of 4-aminophenol". Other sources talk about 2-chloro-4-aminophenol and N-methyl-4-aminophenol. This book treats the term as synonymous with Rodinal, Azol, and other terms. It might make sense to mention that it may come in a salt, since it's the ion in solution that matters. Dicklyon (talk) 18:43, 15 February 2012 (UTC)

Chemical compound
4-Aminophenol is a chemical compound. It is a breakdown product of paracetamol. —The preceding unsigned comment was added by Joknee (talk • contribs).

It is also used for the synthesis of paracetamol. This is a common experiment in university level organic chemistry classes. Fuzzform 22:48, 25 September 2007 (UTC)

Merge_proposal
Looks like duplicate articles: Aminophenol and 4-aminophenol. Bobjgalindo (talk) 14:20, 10 November 2008 (UTC)
 * ✅ Fixed now. Physchim62 (talk) 19:32, 17 January 2009 (UTC)

pKa
Anyone know where that pKa came from? http://research.chem.psu.edu/brpgroup/pKa_compilation.pdf gives it as 10.3. — Preceding unsigned comment added by Danielthechemist (talk • contribs) 21:17, 24 September 2015 (UTC)
 * It is listed at 4.5 in "pKa Data Compiled by R. Williams", a down-loaded pdf of which many seem to be using for organic acids and bases. 10.3 is perhaps the pKb. --Smokefoot (talk) 00:40, 25 September 2015 (UTC)
 * no, it is listed as 10.3. — Preceding unsigned comment added by Danielthechemist (talk • contribs) 15:20, 30 September 2015 (UTC)