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[2-[4-(Dimethylamino)phenyl azo] Benzoic Acid]
EC: 212-682-9 NC: 2927 00 00
Identity..............................................................................................IR p/t.
T.L.C..................................................................................................... p/t.
MAX. IMPURITIES
pH transition interval:
red.........................................................................................................4,2
yellow....................................................................................................6,2
Transition interval according to ACS.................................................... p/t.
Insoluble matter in H2O......................................................................... p/t.
Insoluble matter in C2H5OH.................................................................. p/t.
Loss on drying at 110°C......................................................................5 %
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