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IRSST - Institut de recherche Robert-Sauvé en santé et en sécurité du travail
OHS Research
Research at the IRSST
Reference Framework
Scientists Directory
Publications and Tools
IRSST's Production
Magazine and Newsletter
Scientific Watch
Documentation Center
Useful Links
Laboratory Services
Laboratories
Analysis and Testing Services
Laboratory Methods
Masks Efficacy Evaluation
Workplace Air Contaminants
Slip Resistance Test for Protective Footwear
Loan, Calibration and Repairs
Recognition Programs
CQ Fibres
Quality Control of Fiber Counts
CQ Vrac
Recognized Laboratories
Interlaboratory quality
control program
Guides and Tools
Instruments and Sampling Material
Register
Research Fund and Partnerships
Research Fund and Partnerships
Grants
Scholarships
Master’s Scholarship and Supplement
Doctoral Scholarship and Supplement
Postdoctoral Fellowship
Research partnerships
Institute
About
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substance
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substance
September 17, 2025
Methyl ethyl ketone peroxide
French name in the regulation:
Peroxyde de méthyl éthyl cétone
CAS :
1338-23-4
Exposure Standards in RROHS regulation
Permissible exposure values (PEV)
ppm
mg/m
3
f/cc
Notes
TWAEV
-
-
-
-
STEV
-
-
-
-
Ceiling
0,2
1,5
-
-
Carcinogenicity
Sensitizer
Simple asphyxiant
Percutaneous
Prohibited use
Prohibited recirculation
Minimum exposure
Explosion hazard
Ototoxic
TWA adjustment for unusual work schedules
1A
: No adjustment
CNESST – Toxicological Index Service
Consult REPTOX file:
Methyl ethyl ketone peroxide
Analysis:
Peroxyde de méthyl éthyl cétone
Recommended method by the IRSST:
Method: NIOSH - 3508
Sampling protocol
Sampling device:
XAD-4 tube
Parameters:
Flow rate: 1 L/min
TWA sampling volume: 15 L
STEL sampling volume: -
Remarks:
Substance is unstable at ambient temperature. Contact the IRSST before sampling.
Analytical protocol
Principle:
High performance liquid chromatography with UV detection (HPLC-UV)
Reference
NIOSH Manual of Analytical Methods, 4th ed., Method 3508 : Methyl Ethyl Ketone Peroxide, 1994.
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