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OHS Research
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IRSST's Production
Magazine and Newsletter
Scientific Watch
Documentation Center
Useful Links
Laboratory Services
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Analysis and Testing Services
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Masks Efficacy Evaluation
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Slip Resistance Test for Protective Footwear
Loan, Calibration and Repairs
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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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Postdoctoral Fellowship
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substance
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substance
September 05, 2025
Diacetone alcohol
French name in the regulation:
Diacétone alcool
CAS :
123-42-2
Synonyms:
Hydroxy-4 méthyl-4 pentanone-2
Exposure Standards in RROHS regulation
Permissible exposure values (PEV)
ppm
mg/m
3
f/cc
Notes
TWAEV
50
238
-
-
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:
Diacetone alcohol
Analysis:
Diacétone alcool
Method: IRSST - 133-1
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: -
Remarks:
Diacetone alcohol must be specifically sampled due to a specific desorption solvent.
Analytical protocol
Principle:
Gas chromatography with flame ionization detection (GC-FID)
Precision (%):
4,1
Minimum reported value:
46 µg
Reference
IRSST. " Analyse du diacétone alcool dans l'air". Méthode 133-1. Méthodes analytiques. Montréal: IRSST, 1992.
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