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Search result for: congo red

Table showing details for congo red
Chemical	Category & User Codes	DG Class	DG PG	UN CAS No	Guidance notes
congo red C.I. Direct Red 28*	7-12 1 2 3 - 5 - -	NR CW Hazardous Chemical	-	- 573-58-0	Toxic if ingested. Indicator (blue at pH <3.0; red at pH >5.0) 0.01% in 20% ethanol solution. Stain also used for diffusion experiments with dialysis tubing and staining of yeast cells. Disposal: Waste solutions of this chemical may be disposed of down the sink (to sewer). 8

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