IRSST - Institut de recherche Robert-Sauvé en santé et en sécurité du travail

Propionic acid  

French name in the regulation: Acide propanoïque
CAS : 79-09-4

Exposure Standards in RROHS regulation

Permissible exposure values (PEV)
ppm mg/m3 f/cc Notes
TWAEV 10 30 - -
STEV - - - -
Ceiling - - - -
Carcinogenicity Sensitizer
Simple asphyxiantPercutaneous
Prohibited useProhibited recirculation
Minimum exposureExplosion hazard
Ototoxic

TWA adjustment for unusual work schedules

1B : No adjustment

CNESST – Toxicological Index Service

Consult REPTOX file: Propionic acid

Analysis:

Acide propanoïque

Recommended method by the IRSST:
Method: -
Sampling device: Silica gel tube 400/200 mg
Parameters:
Flow rate: 0,05-0,2 L/min
TWA sampling volume: -
STEL sampling volume: -
Remarks: This substance is not analyzed by our laboratories. It might be possible that the analysis is performed by another laboratory. Please contact the IRSST before sampling. Method : ALS-Organic acids LCMS panel of 3.
Principle: Liquid chromatography with mass spectrometry (LC-MS)