SULFUR TETRAFLUORIDE

Chemical Identification
Chemical Identification
CAS # 7783-60-0
Formula

F₄S

Synonyms

tetrafluorosulfurane

Physical Properties
Physical Properties
Physical description Colorless gas with a distinct sulfur odor.
Boiling point -41°F Molecular weight 108.06
Freezing point/melting point -185°F Vapor pressure 10.5 atm at 70°F
Flash point Vapor density 3.78
Specific gravity 1.95 at -108°F Ionization potential 12.63 eV
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating NFPA fire rating
NFPA reactivity rating NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 2322
Sampling group
Sampler/Sampling media Pre-assembled cassette with mixed cellulose ester filter (MCEF) 0.8 micron (37 mm) [MAWP037A0]
Sampling time*

60 min

Sampling volume (TWA)*

90 L

Sampling flow rate (TWA)*

1.5 L/min

Sampling volume (STEL/Peak/C)*

22.5 L

Sampling flow rate (STEL/Peak/C)*

1.5 L/min

Analytical method instruments ICP
Method reference OSHA ID-110 (fully validated)
Notes

Submit as a separate sample. If the filter is not overloaded, samples may be collected up to an 8-hour period. Hydrogen fluoride is collected on a Na₂CO₃ impregnated backup pad.

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
Wipe Method
Sampler/Sampling media
Bulk Method
Bulk Method
On-Site Screening Techniques
On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)
Exposure Limits
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 PEL-TWA
PEL-STEL REL-STEL TLV-STEL PEL-STEL
PEL-C REL-C

0.1 ppm (0.4 mg/m³)

TLV-C

0.1 ppm [1992]

PEL-C

0.1 ppm (0.4 mg/m³)

Skin notation

NA

Skin notation

N

Skin notation

N

Skin notation

N

Notes:

Not established

Notes: Notes: Notes:
Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: Not listed Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Sulfur tetrafluoride

NIOSH: Pocket Guide to Chemical Hazards - Sulfur tetrafluoride

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Sulfur tetrafluoride. See annual publication for most recent information.

Last Updated Date : 01/12/2021