Vinylidene fluoride
Synonyms & Trade Names
1,1-Difluoroethene, Difluoro-1,1-ethylene, 1,1-Difluoroethylene, Halocarbon 1132A, VDF, Vinylidene difluorideExposure Limits
NIOSH REL
TWA 1 ppm C 5 ppm [use 1910.1017]OSHA PEL
nonePhysical Description
Colorless gas with a faint, ethereal odor. [Note: Shipped as a liquefied compressed gas.]Molecular Weight
64.0Boiling Point
-122°FFreezing Point
-227°FSolubility
InsolubleVapor Pressure
35.2 atmIonization Potential
10.29 eVFlash Point
NA (Gas)Upper Exposive Limit
21.3%Lower Explosive Limit
5.5%Relative Gas Density
2.21Incompatibilities & Reactivities
Oxidizers, aluminum chloride [Note: Violent reaction with hydrogen chloride when heated under pressure.]Exposure Routes
inhalation, skin and/or eye contact (liquid)Symptoms
dizziness, headache, nausea; liquid: frostbiteTarget Organs
central nervous systemPersonal Protection/Sanitation
(See protection codes)Skin:Frostbite
Eyes:Frostbite
Wash skin:No recommendation
Remove:When wet (flammable)
Change:No recommendation
Provide:Frostbite wash
Respirator Recommendations
NIOSH
Up to 10 ppm:
(APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)
(APF = 10) Any supplied-air respirator
Up to 25 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode
(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)
Up to 50 ppm:
(APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s)
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s)
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece
Up to 200 ppm:
(APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus
Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
Any appropriate escape-type, self-contained breathing apparatus
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division