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

2-Methoxyethanol (EGME)

French name in the regulation: Éther monométhylique de l'éthylène glycol
CAS : 109-86-4
Synonyms: Ethylene glycol methyle ether; Ethylene glycol monomethyl ether; Glycol ether EM; Methoxyhydroxyethane; Methyl glycol; Monomethyl ether of ethylene glycol

Exposure Standards in RROHS regulation

Permissible exposure values (PEV)
ppm mg/m3 f/cc Notes
TWAEV 5 16 - -
STEV - - - -
Ceiling - - - -
Simple asphyxiant Percutaneous
Minimum exposure Sensitizer
Prohibited use Prohibited recirculation

TWA adjustment for unusual work schedules

IV : Daily or weekly adjustment ( the more stringent of the two)

CNESST – Toxicological Index Service

Consult REPTOX file: 2-Methoxyethanol (EGME)


Ether monométhylique de l'éthylène glycol

Method: IRSST - 138-3
Sampling device:
Sampling media required:
2120 Activated charcoal tube 100/50 mg

Flow rate: Max: 0,2 L/min
TWA sampling volume: 10 L
STEL sampling volume: -
Remarks: The analysis of 2-Methoxyethanol must be specifically sampled due to a specific desorption solvent.
Principle: Gas chromatography with flame ionization detection (GC-FID)
Precision (%): 5,1
Minimum reported value: 9,6 µg
Remarks: However, simultaneous sampling and analysis of the 2-Ethoxyethanol is possible.
IRSST. "Analyse du 2-méthoxy éthanol dans l'air". Méthode 138-3. Non publiée.
Following the amendment of Appendix 1 of the Quebec Regulation respecting occupational health and safety (RSST, RLRQ, c. S-2.1, r. 13), part of Quebec Occupational Health and Safety Act, which came into effect on March 26, 2020, the TWAEV, STEL and Ceiling values for certain substances are now expressed in ppm. For these substances, the IRSST performed the conversion calculations to express these TWAEV, TWA and Ceiling values in mg/m3, which thus appears in its Sampling Guide for Air Contaminants in the Workplace (Guide d'échantillonnage des contaminants de l'air en milieu de travail ) and the associated Substance Data Sheets. However, it is imperative to refer to the values expressed in the RSST which are legally binding.