Vinylidene fluoride
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CAS
75-38-7
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CH2=CF2
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RTECS
KW0560000
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Synonyms & Trade Names
Difluoro-1,1-ethylene; 1,1-Difluoroethene; 1,1-Difluoroethylene; Halocarbon 1132A; VDF; Vinylidene difluoride
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DOT ID & Guide
1959 / 116P
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Exposure Limits
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NIOSH REL: TWA 1 ppm C 5 ppm [use 1910.1017]
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OSHA PEL: none
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IDLH
N.D.
See: IDLH INDEX
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Conversion
1 ppm = 2.62 mg/m3
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Physical Description
Colorless gas with a faint, ethereal odor. [Note: Shipped as a liquefied compressed gas.]
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MW: 64.0
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BP: -122°F
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FRZ: -227°F
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Sol: Insoluble
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VP: 35.2 atm
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IP: 10.29 eV
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RGasD: 2.21
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Fl.P: NA (Gas)
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UEL: 21.3%
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LEL: 5.5%
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Flammable Gas
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Incompatibilities & Reactivities
Oxidizers, aluminum chloride [Note: Violent reaction with hydrogen chloride when heated under pressure.]
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Measurement Methods
NIOSH 3800
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Frostbite
Eyes: Frostbite
Wash skin: No recommendation
Remove: When wet (flammable)
Change: No recommendation
Provide: Frostbite wash
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First Aid (See procedures)
Eye: Frostbite
Skin: Frostbite
Breathing: Respiratory support
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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
Important additional information about respirator selection
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Exposure Routes
inhalation, skin and/or eye contact (liquid)
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Symptoms
Dizziness, headache, nausea; liquid: frostbite
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Target Organs
central nervous system
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See also: INTRODUCTION
See ICSC CARD: 0687 |