Products / pH Indicators

CONGO RED Print Download

C.A.S. No. 573-58-0
CI NO. 22120
M.F. C32H22N6Na2O6S2
M.W. 696.66gm/mole

Specifications:

Dye Content (by Spectrophotometry) >75%
Transition Range pH 3.0-5.2
Violet-Orange Red
Solubility 0.1% (Dist. Water) Clear solution
Absorption Maximum (Dist.Water) ?max 495-499nm
Absorptivity (A1%, 1cm in Water, at ?max) >520
Loss On Drying (110°C) <5%
Suitability for microscopy Passes test
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