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

1,2 Dichloro-1,1,2,2-tetrafluoroethane  

French name in the regulation: Dichloro-1,2 tétrafluoro-1,1,2,2 éthane
CAS : 76-14-2
Synonyms: Fréon 114

Exposure Standards in RROHS regulation

Permissible exposure values (PEV)
ppm mg/m3 f/cc Notes
TWAEV 1000 6990 - -
STEV - - - -
Ceiling - - - -
Carcinogenicity Sensitizer
Simple asphyxiantPercutaneous
Prohibited useProhibited recirculation
Minimum exposureExplosion hazard
Ototoxic

TWA adjustment for unusual work schedules

1C : No adjustment

CNESST – Toxicological Index Service


Analysis:

Dichloro-1,2 tétrafluoro-1,1,2,2 éthane

Recommended method by the IRSST:
Method: NIOSH - 1018
Sampling device: Two 400/200 mg and 100/50 mg activated charcoal tubes in series.
Parameters:
Flow rate: 0,01-0,05 L/min
TWA sampling volume: 4 L
STEL sampling volume: -
Remarks: Contact the IRSST before sampling. Freon 114.
Principle: Gas chromatography with flame ionization detection (GC-FID)
NIOSH Manual of Analytical Methods, 4th ed., Method 1018 : Dichlorodifluoromethane, 1994.