SULFURYL FLUORIDE | Occupational Safety and Health Administration

SULFURYL FLUORIDE†

Chemical Identification
CAS #	2699-79-8
Formula	F₂O₂S
Synonyms	sulfur difluoride dioxide; Vikane

Physical Properties
Physical description	Colorless, odorless gas.
Boiling point	-68°F	Molecular weight	102.1
Freezing point/melting point	-212°F	Vapor pressure	15.8 atm at 70°F
Flash point		Vapor density	3.72
Specific gravity		Ionization potential	13.04 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
Analyte code (IMIS no.)	2323
Sampling group
Sampler/Sampling media	CSC tube (800/200 mg) [SKC 226-16]
Sampling time^*
Sampling volume (TWA)^*	1.3-10 L
Sampling flow rate (TWA)^*	0.05-0.1 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	IC
Method reference	NIOSH 6012 (fully validated)
Notes	Ship at 0°C
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.

Bulk/Wipe Method
Wipe Sampler/Sampling media
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	5 ppm (20 mg/m³)	REL-TWA	5 ppm (20 mg/m³)	TLV-TWA	5 ppm [1992]	PEL-TWA	5 ppm (20 mg/m³)
PEL-STEL		REL-STEL	10 ppm (40 mg/m³)	TLV-STEL	10 ppm [1992]	PEL-STEL	10 ppm (40 mg/m³)
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	N	Skin notation	N	Skin notation	N	Skin notation	N
Notes: See 29 CFR 1910.1000 Table Z-1.		Notes:		Notes:		Notes:
Health factors: See NIH-NLM PubChem.		IDLH	200 ppm
Carcinogenic classifications:		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Sulfuryl fluoride

NIOSH: Pocket Guide to Chemical Hazards - Sulfuryl fluoride

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Sulfuryl fluoride. See annual publication for most recent information.
Calvert, G.M., et al.: Health effects associated with sulfuryl fluoride and methyl bromide exposure among structural fumigation workers. Am. J. Public Health 88(12): 1774-1780, 1998.
Eisenbrandt, D.L. and Nitschke, K.D.: Inhalation toxicity of sulfuryl fluoride in rats and rabbits. Fundam. Appl. Toxicol. 12(3): 540-557, 1989.
Nuckolls, J.G., et al.: Fatalities resulting from sulfuryl fluoride: exposure after home fumigation - Virginia. MMWR Morb. Mortal. Wkly. Rep. 36(36): 602-604, 1987.
Pohanish, R.P. (editor): Sulfuryl Fluoride. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 2. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 2130-2132.

Last Updated Date : 01/12/2021

SULFURYL FLUORIDE†

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References