Sulfuryl fluoride

Reported in EPA TSCA Inventory.

OSHA PEL: TWA 5 ppm; STEL 10 ppm
ACGIH TLV: TWA 5 ppm; STEL 10 ppm
DOT Classification:  2.3; Label: Poison Gas

For occupational chemical analysis use NIOSH: Sulfuryl Fluoride S245.

The Sulfuryl fluoride with CAS registry number of 2699-79-8 is also known as Difluorure sulfuryl. The IUPAC name and product name are the same. Its EINECS registry number is 220-281-5. In addition, the formula is F₂O₂S and the molecular weight is 102.06. This chemical is a colourless gas and should be stored in a ventilated, cool and dry place.

Physical properties about Sulfuryl fluoride are: (1)ACD/LogP: 0.006; (2)ACD/LogD (pH 5.5): 0.01; (3)ACD/LogD (pH 7.4): 0.01; (4)ACD/BCF (pH 5.5): 1.00; (5)ACD/BCF (pH 7.4): 1.00; (6)#H bond acceptors: 2; (7)Index of Refraction: 1.294; (8)Molar Refractivity: 11.093 cm³; (9)Molar Volume: 60.464 cm³; (10)Polarizability: 4.397 10-24cm³; (11)Surface Tension: 24.382999420166 dyne/cm; (12)Density: 1.688 g/cm³ ; (13)Enthalpy of Vaporization: 19.432 kJ/mol; (14)Boiling Point: -55.4 °C at 760 mmHg; (15)Vapour Pressure: 10721.341796875 mmHg at 25°C

Preparation of Sulfuryl fluoride: it is prepared by direct reaction of fluorine with sulfur dioxide.

SO₂ + F₂ → SO₂F₂

Uses of Sulfuryl fluoride: it is used for fumigation of buildings, vehicles and wood products travel. Besides, it is also widely used in cotton, silk, chemical fiber fabrics, leather, herbs, tobacco, bamboo device, crafts, artifacts as insecticide.

When you are using this chemical, please be cautious about it. As a chemical, it is toxic by inhalation and if swallowed, and also irritating to eyes, respiratory system and skin. It has danger of serious damage to health by prolonged exposure through inhalation. What's more, it is very toxic to aquatic organisms and toxic by inhalation. During using it, wear suitable protective clothing and eye/face protection. Avoid release to the environment and do not breathe gas/fumes/vapour/spray. This material and its container must be disposed of as hazardous waste. In case of accident by inhalation: remove casualty to fresh air and keep at rest. Besides, if you feel unwell seek medical advice immediately.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: O=S(=O)(F)F
2. InChI: InChI=1S/F2O2S/c1-5(2,3)4
3. InChIKey: OBTWBSRJZRCYQV-UHFFFAOYSA-N

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
guinea pig	LD50	oral	100mg/kg (100mg/kg)		Dow Chemical Company Reports.
mouse	LCLo	inhalation	1200ppm/1H (1200ppm)	LUNGS, THORAX, OR RESPIRATION: CYANOSIS BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD	Archives des Maladies Professionnelles de Medecine du Travail et de Securite Sociale. Vol. 34, Pg. 581, 1973.
rabbit	LCLo	inhalation	5000ppm/1H (5000ppm)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: CYANOSIS	Archives des Maladies Professionnelles de Medecine du Travail et de Securite Sociale. Vol. 34, Pg. 581, 1973.
rat	LC50	inhalation	991ppm/4H (991ppm)	LUNGS, THORAX, OR RESPIRATION: CYANOSIS BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA	Fundamental and Applied Toxicology. Vol. 7, Pg. 664, 1986.
rat	LD50	oral	100mg/kg (100mg/kg)		"Agricultural Chemicals," Thomson, W.T., 4 vols., Fresno, CA, Thomson Publications, 1976/77 revisionVol. 3, Pg. 15, 1976/1977.