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OHS Research
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substance
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substance
April 04, 2026
Isoflurane
French name in the regulation:
Isoflurane
CAS :
26675-46-7
Not in the regulation.
CNESST – Toxicological Index Service
Consult REPTOX file:
Isoflurane
Analysis:
Isoflurane
Method: IRSST - 285
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: 5 L
STEL sampling volume: -
Remarks:
Isoflurane must be specifically sampled due to the specific analysis performed.
Analytical protocol
Principle:
Gas chromatography with flame ionization detection (GC-FID)
Precision (%):
4,3
Minimum reported value:
20 µg
Remarks:
However, simultaneous sampling and analysis of halothane and enflurane is possible. A permissible exposure value (of TWA type) of 80 mg/m³ has been proposed by the Swedish National Board of Occupational Safety and Health.
Reference
IRSST. "Analyse de l'isoflurane dans l'air". Méthode 285. Non publiée.
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