IRSST - Institut de recherche Robert-Sauvé en santé et en sécurité du travail

Methyl iodide  

French name in the regulation: Iodure de méthyle
CAS : 74-88-4
Synonyms: Iodométhane

Exposure Standards in RROHS regulation

Permissible exposure values (PEV)
ppm mg/m3 f/cc Notes
TWAEV 2 12 - -
STEV - - - -
Ceiling - - - -
Carcinogenicity C2 Sensitizer
Simple asphyxiantPercutaneous
Prohibited useProhibited recirculation
Minimum exposure Explosion hazard
Ototoxic

TWA adjustment for unusual work schedules

IV : Daily or weekly adjustment ( the more stringent of the two)

CNESST – Toxicological Index Service

Consult REPTOX file: Methyl iodide

Analysis:

Iodure de méthyle

Recommended method by the IRSST:
Method: NIOSH - 1014
Sampling device: Activated charcoal tube 100/50mg
Parameters:
Flow rate: 0,01-1 L/min
TWA sampling volume: 50 L
STEL sampling volume: -
Remarks: This substance is not analyzed by our laboratories. It might be possible that the analysis be performed by another laboratory. Please contact the IRSST before sampling.
Principle: Gas chromatography with flame ionization detection (GC-FID)
NIOSH Manual of Analytical Methods. 4th ed. Method 1014 : Methyl Iodide, 1994.