Metol

Metol
Names
IUPAC name
4-(methylamino)phenol sulfate
Other names
N-methyl-p-aminophenol sulfate, Pictol, p-(methylamino)phenol sulfate, monomethyl-p-aminophenol hemisulfate, Metol, Elon, Rhodol, Enel, Viterol, Scalol, Genol, Satrapol, Photol.
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.000.216 Edit this at Wikidata
KEGG
UNII
  • InChI=1S/2C7H9NO.H2O4S/c2*1-8-6-2-4-7(9)5-3-6;1-5(2,3)4/h2*2-5,8-9H,1H3;(H2,1,2,3,4) checkY
    Key: ZVNPWFOVUDMGRP-UHFFFAOYSA-N checkY
  • InChI=1/2C7H9NO.H2O4S/c2*1-8-6-2-4-7(9)5-3-6;1-5(2,3)4/h2*2-5,8-9H,1H3;(H2,1,2,3,4)
    Key: ZVNPWFOVUDMGRP-UHFFFAOYAW
  • O=S(=O)(O)O.Oc1ccc(NC)cc1.Oc1ccc(NC)cc1
Properties
(C7H10NO)2SO4
Molar mass 344.38 g/mol
Melting point 260 °C (500 °F; 533 K)
Hazards
GHS labelling:[1]
GHS08: Health hazardGHS07: Exclamation markGHS09: Environmental hazard
Warning
H302, H317, H373, H410
P260, P280, P301+P312+P330
Safety data sheet (SDS) Oxford MSDS
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

Metol (or Elon) 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.[2]

  1. ^ GHS: GESTIS 022920
  2. ^ Gerd Löbbert "Photography" in Ullmann's Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH, Weinheim. doi:10.1002/14356007.a20_001