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

 Important Notice Concerning COVID-19

Due to the rapid spread of COVID-19, and to ensure the health and safety of its employees and its entire network, the IRSST has implemented exceptional measures.
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On March 26, 2020, according to Decree 159-2020 published on March 11, 2020 in the Gazette officielle du Québec, the Regulation respecting occupational health and safety (RSST, RLRQ, c. S-2.1, r. 13) is amended in Appendix 1. These regulatory changes have not yet been incorporated into the current Substance Data Sheets of the Sampling Guide for Air Contaminants in the Workplace. An update is currently underway and will be available as soon as possible. Consequently, the information contained in the data sheets of substances modified or added in Decree 159-2020 is probably inaccurate or incomplete. Please contact our client service: [email protected] for further information.

Diethylene triamine

French name in the regulation: Diéthylène triamine
CAS : 111-40-0
Synonyms: Aminoethylethandiamine, Bis(2-Aminoethyl)amine, Diethylamine, 2,2'-diamino

Exposure Standards in RROHS regulation

Permissible exposure values (PEV)
ppm mg/m3 f/cc Notes
TWAEV 1 4,2 - -
STEV - - - -
Ceiling - - - -
Simple asphyxiant Percutaneous
Minimum exposure Sensitizer
Prohibited use Prohibited recirculation

TWA adjustment for unusual work schedules

III : Weekly adjustment

CNESST – Toxicological Index Service

Consult REPTOX file: Diethylene triamine


Diéthylène triamine

Recommended method by the IRSST:
Method: OSHA - 60
Sampling device: XAD-2 tube impregnated with 1-naphthylisothiocyanate (NIT)
Flow rate: 0,01-0,1 L/min
TWA sampling volume: 10 L
STEL sampling volume: -
Remarks: This substance is not analyzed by our laboratories. It might be possible that the analysis be performed by another laboratory. Please contact the IRSST before sampling.
Principle: High performance liquid chromatography with UV detection (HPLC-UV)
OSHA Analytical Methods Manual, EDA, DETA,TETA, Method 60, 1986.