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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
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IRSST's Production
Magazine and Newsletter
Scientific Watch
Documentation Center
Useful Links
Laboratory Services
Laboratories
Analysis and Testing Services
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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
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substance
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substance
August 28, 2025
Diisobutyl ketone
French name in the regulation:
Diisobutyl cétone
CAS :
108-83-8
Synonyms:
Dimethyl-2,6 heptanone-4
Exposure Standards in RROHS regulation
Permissible exposure values (PEV)
ppm
mg/m
3
f/cc
Notes
TWAEV
25
145
-
-
STEV
-
-
-
-
Ceiling
-
-
-
-
Carcinogenicity
Sensitizer
Simple asphyxiant
Percutaneous
Prohibited use
Prohibited recirculation
Minimum exposure
Explosion hazard
Ototoxic
TWA adjustment for unusual work schedules
1B
: No adjustment
CNESST – Toxicological Index Service
Consult REPTOX file:
Diisobutyl ketone
Analysis:
Diisobutyl cétone
Method: IRSST - 252-1
Sampling protocol
Sampling device:
Sampling media required:
#IRSST
Description
2120
Activated charcoal tube 100/50 mg
Parameters:
Flow rate: Max: 0,2 L/min
TWA sampling volume: 10 L
STEL sampling volume: -
Analytical protocol
Principle:
Gas chromatography with flame ionization detection (GC-FID)
Precision (%):
1,5
Minimum reported value:
30 µg
Reference
IRSST. "Analyse du diisobutylcétone dans l'air". Méthode 252-1. Méthodes analytiques. Montréal: IRSST, 1991.
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