Gallery 2 -- Optical photomicrographs from 6 x 9cm originals

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DMI ref. omg124     Image title: Isatin | 24.65


omg124__isatin_dg.jpg

Copyright 2006 David Malin Images

Isatin (Indole-2,3-dione, 2:3-Indolinedione, CAS# 91-56-5) forms yellow-red crystalline needles and melts to a yellow liquid at about 200C. It is an important raw material for dye manufacture (artificial indigo, disperse dye yellows) and is used for the manufacture of pharmaceuticals.

Dark ground illumination, red filter.