1,4-DIOXANE FOR ANALYSIS EMSURE 250 ML
Rp 1.347.000
Hotline (061) 6641391
Synonym(s): Congo red (C.I. 22120)
Empirical Formula (Hill Notation): C32H22N6Na2O6S2
Appearance: Red-brown to brownishred powder, eventually with granular parts.
Appearance of solution (1.0 gr/l; water): Almost clear to slightly turbid, red
Transition range: pH 3.0 - pH 5.2violet - orange-red
Loss on drying (110 °C): ≤ 5 %
Sensitivity test: passes test
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