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OHS Research
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Slip Resistance Test for Protective Footwear
Loan, Calibration and Repairs
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control program
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substance
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substance
August 27, 2025
Morpholine
French name in the regulation:
Morpholine
CAS :
110-91-8
Exposure Standards in RROHS regulation
Permissible exposure values (PEV)
ppm
mg/m
3
f/cc
Notes
TWAEV
20
71
-
-
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:
Morpholine
Analysis:
Morpholine
Method: IRSST - 363
Sampling protocol
Sampling device:
Sampling media required:
#IRSST
Description
955
FV filter impregnated with sulfuric acid
Parameters:
Flow rate: 1 L/min
TWA sampling volume: 15 L
STEL sampling volume: -
Remarks:
The sample is stable for 2 weeks at 4°C.
Analytical protocol
Principle:
High performance liquid chromatography with mass spectrometry (HPLC-MS)
Precision (%):
7,6
Minimum reported value:
7,5 µg
Reference
IRSST. "Détermination des amines dans l'air par LC-MS". Méthode 363. Méthodes analytiques. Montréal: IRSST, 2021.
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