TETRAFLUOROETHYLENE

Chemical Identification
CAS # 116-14-3
Formula

C₂F₄

Synonyms

ethylene tetrafluoride; perfluoroethylene; perfluoroethene; tetrafluoroethene

Physical Properties
Physical description Colorless, odorless gas.
Boiling point -105.3°F Molecular weight 100.02
Freezing point/melting point -224.5°F Vapor pressure 22800 mmHg at 70°F
Flash point Vapor density 3.87
Specific gravity 1.519 at -105°F Ionization potential
Lower explosive limit (LEL) 10% Upper explosive limit (UEL) 50%
NFPA health rating 2 NFPA fire rating 4
NFPA reactivity rating 3 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
Analyte code (IMIS no.)
Sampling group
Sampler/Sampling media
Sampling time*
Sampling volume (TWA)*
Sampling flow rate (TWA)*
Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments
Method reference
Notes
Special requirements

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Wipe Method
Sampler/Sampling media
Bulk Method
Bulk Method
On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)
Exposure Limits
OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA REL-TWA TLV-TWA

2 ppm [1997]

PEL-TWA
PEL-STEL REL-STEL TLV-STEL PEL-STEL
PEL-C REL-C TLV-C PEL-C
Skin notation

NA

Skin notation

NA

Skin notation

N

Skin notation

NA

Notes:

Not established

Notes:

Not established

Notes: Notes:

Not established

Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: IARC-2B, TLV-A3, NTP-R Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

200 ppm/1000 ppm/10000 ppm

Last Updated Date : 01/12/2021