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Search result for: Nessler's reagent

Table showing details for Nessler's reagent
Chemical
Category & User Codes
DG Class
DG PG
UN CAS No
Guidance notes
Nessler's reagent
 potassium tetraiodo mercurate (II)*
11-12
1
2
-
-
5
-
-
6.1

CW  

Hazardous Chemical 		II 1643
7783-33-7 		Highly toxic if ingested.
Skin irritant.
Use eye and skin protection where splashes can occur. Comprises an alkaline solution of mercury(II) iodide and potassium iodide. Used for ammonia determination.

Note: Typically, student use should be limited to 5 mL of 0.1 M per activity per group/person.

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