Diquat, as the cation [2764-72-9; 85-00-7; 6385-62-2] (Pi)

French name in the regulation: Diquat, en tant que cation [2764-72-9; 85-00-7; 6385-62-2] (Pi)

Exposure Standards in RROHS regulation

Permissible exposure values (PEV)

	ppm	mg/m³	f/cc	Notes
TWAEV	-	0,5	-	Pi
STEV	-	-	-	-
Ceiling	-	-	-	-

Carcinogenicity		Sensitizer
Simple asphyxiant		Percutaneous
Prohibited use		Prohibited recirculation
Minimum exposure		Explosion hazard
Ototoxic

TWA adjustment for unusual work schedules

Undetermined

CNESST – Toxicological Index Service

Consult REPTOX file: Diquat, as the cation [2764-72-9; 85-00-7; 6385-62-2](Pi)

Analysis:

Diquat, as the cation

Recommended method by the IRSST:

Method: NIOSH - 5601

Sampling protocol

Sampling device: OVS-2 tube with XAD-2 and glass fiber filter
Parameters:
Flow rate: 0,1-1 L/min
TWA sampling volume: 480 L
STEL sampling volume: -
Remarks: The aerosol phase might be underestimated because the efficiency of the sampling device does not match inhalable fraction definition. For more information, please contact the IRSST. This substance is not analyzed by our laboratories. It might be possible that the analysis is performed by another laboratory. Please contact the IRSST before sampling.

Analytical protocol

Principle: High performance liquid chromatography with UV detection (HPLC-UV)

Reference

NIOSH, Manual of Analytical Methods 5601, 4th ed., Organonitrogen pesticides, 1998.