Nomenclature
CAS number: 7631-46-1
Herapathite; iodoquinine sulfate.
C
80H
104I
6N
8O
20S
3; mol wt 2355.35.
C 40.79%, H 4.45%, I 32.33%, N 4.76%, O 13.59%, S 4.08%.
4C
20H
24N
2O
2.3H
2SO
4.2HI.I
4.
Description and references
Named after its discoverer, Herapath, an English
physician.
Derivative
Hexahydrate.
Properties
Plate-like crystals of pale olive-green color
by transmitted light and of a brilliant green to reddish green by
reflected light. The crystals polarize light 5 times as much as tourmaline.
Loses its water at 100° and becomes red. Almost insol in water.
Sol in about 1000 parts boiling water; in 800 parts cold, 50 parts
boiling alcohol, in 60 parts hot glacial acetic acid.Use
In the manuf of polarizing glasses and plastics.
Status
This monograph has been retired and is no longer subject
to revision or update.