Indigo carmine EXTRA PURE , LABORATORY CHEMICALS, SPECIFICATION

SPECIFICATION
C.I.No. 73015
C₁₆H₈N₂Na₂O₈S₂ M.W. 466.36
Absorptivity ( A 1%/1cm:
= 610nm; HCI 0.1n;
on dried substance )	min. 410
Loss on drying ( 105^OC )	max. 6%
Suitability for microscopy	passes test
( Absorption max. 608 - 612 nm.
As a reagent for the detection of
Nitrate and Chlorate.
Suitable for Kidney function test.
Shumwa'ys stain for animal emboys. )