kwas salacynowy, salazinic acid, Salazinsäure

TLC, spot tests

class: β-Orcinol Depsides
Rf values in standard eluents systems: A: 10 · B: 7 · B': 7 · C: 4 · G: 26

Visibility: in natural light: — · in UV-C (254nm): +

Visibility after H2SO4 spraying and 10 min in 110°C charring:
in natural light: orange
in UV-A (ca.360nm): orange

Spot tests: K dark red · C — · P orange

microcrystallization

KOH 5%: K2CO3 20% 1:1 - dark red curved needles; GAoT - yellow boat-shaped lamellae; GAAn - clusters of lamellae; GAQ - yellow clusters of romboid lamellae