NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

Sulfur pentafluoride

CAS
5714-22-7

S2F10

RTECS
WS4480000
Synonyms & Trade Names

Disulfur decafluoride, Sulfur decafluoride
DOT ID & Guide

Exposure
Limits

NIOSH REL: C 0.01 ppm (0.1 mg/m3)
OSHA PEL: TWA 0.025 ppm (0.25 mg/m3)
IDLH
1 ppm See: 5714227
Conversion
1 ppm = 10.39 mg/m3
Physical Description
Colorless liquid or gas (above 84°F) with an odor like sulfur dioxide.
MW: 254.1
BP: 84°F
FRZ: -134°F
Sol: Insoluble
VP: 561 mmHg
IP: ?
RGasD: 8.77
Sp.Gr(32°F): 2.08
Fl.P: NA
UEL: NA
LEL: NA

Noncombustible Liquid Nonflammable Gas
Incompatibilities & Reactivities

None reported
Measurement Methods
None available
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: No recommendation
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations
NIOSH
Up to 0.1 ppm:
(APF = 10) Any supplied-air respirator
Up to 0.25 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode
Up to 0.5 ppm:
(APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece
Up to 1 ppm:
(APF = 1000) Any supplied-air respirator 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 acid gas canister/Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
Irritation eyes, skin, respiratory system; in animals: pulmonary edema, hemorrhage
Target Organs
Eyes, skin, respiratory system, central nervous system
See also: INTRODUCTION   See MEDICAL TESTS: 0217