Search result for: thymol blue*

Table showing details for thymol blue*

Chemical	Category & User Codes	DG Class	DG PG	UN CAS No	Guidance notes
thymol blue*	7-12 1 2 - - 5 - -	NR Not Hazardous	-	- 76-61-9	Moderately toxic if ingested. Used as a 0.4% aqueous solution in 20% ethanol, as an acid-base indicator (yellow at pH < 1.2; violet at pH > 2.8). 33 See ph indicators.