Structure via PubChem · Public domain (PubChem)
p-methylaminophenol sulfate
Sign in to saveAlso known as 4-(methylamino)phenol sulfate (2:1) (salt), p-Methylaminophenol sulphate (2:1), N-Methyl-p-aminophenol sulfate, Bis(4-hydroxy-N-methylanilinium) sulphate, p-Methylaminophenolsulfate, Paramethylaminophenol sulfate, Metol
Metol is a trade name for the organic compound with the formula [HOC6H4NH2(CH3)]2HSO4. It is the sulfate salt of N-methylaminophenol. This colourless salt is a popular photographic developer used in monochrome photography.
Chemical data
- Formula
- C14H20N2O6S
- Molecular weight
- 344.39 g/mol
- IUPAC name
- bis(4-(methylamino)phenol);sulfuric acid
- SMILES
- CNC1=CC=C(C=C1)O.CNC1=CC=C(C=C1)O.OS(=O)(=O)O
- InChIKey
- ZVNPWFOVUDMGRP-UHFFFAOYSA-N
- Polar surface area
- 148 Ų
- H-bond donors
- 6
- H-bond acceptors
- 8
- Formal charge
- 0
via PubChem
Drug data · ChEMBL
- Molecule type
- Small molecule
via ChEMBL · EBI
Wikidata facts
- Subclass of
- chemical compound
- Mass
- 344.104
Show 5 more facts
- Commons category
- Metol
- chemical formula
- C₁₄H₂₀N₂O₆S
- different from
- L-menthol
- canonical SMILES
- CNC1=CC=C(C=C1)O.CNC1=CC=C(C=C1)O.OS(=O)(=O)O
- decomposition point
- 250
Sources (2)
via Wikidata · CC0
~3 min read
Encyclopedic overview
4 sectionsContents
- Synthesis and degradation
- Application
- History
- References
Metol is a trade name for the organic compound with the formula [HOC6H4NH2(CH3)]2HSO4. It is the sulfate salt of N-methylaminophenol. This colourless salt is a popular photographic developer used in monochrome photography.
==Synthesis and degradation== Several methods exist for the preparation of N-methylaminophenol. It arises by decarboxylation of N-4-hydroxyphenylglycine (Glycin). It can be obtained by reaction of hydroquinone with methylamine.
Excerpted from Wikipedia’s “p-methylaminophenol sulfate” article, available under the CC BY-SA 4.0 licence.