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| CAS No.: | 2699-79-8 |
|---|---|
| Name: | Sulfuryl fluoride |
| Molecular Structure: | |
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|
|
| Formula: | F2O2S |
| Molecular Weight: | 102.062 |
| Synonyms: | ProFume;Sulfonyl difluoride;Sulfonyl fluoride;Sulfur difluoride dioxide;Sulfurdioxide difluoride;Sulfur fluoride oxide (SF2O2);Sulfur fluoride oxide(SO2F2);Sulfur oxide fluoride (SF2O2);Sulfur oxyfluoride (SO2F2);Sulfuricoxyfluoride;Sulfuryl difluoride;Vikane;Vikane Gas Fumigant; |
| EINECS: | 220-281-5 |
| Density: | 1.687 g/cm3 |
| Melting Point: | -124.7 °C (148 K, -192 °F) |
| Boiling Point: | -55.4 °C (218 K, -68 °F) |
| Solubility: | Soluble in water |
| Appearance: | colourless gas |
| Hazard Symbols: |
 C, N, T
|
| Risk Codes: | 23/25-36/37/38-50-48/20-23 |
| Safety: | 23-37/39-45-61-60-63 |
| Transport Information: | UN2191 |
| PSA: | 42.52000 |
| LogP: | 1.25100 |
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Consensus Reports
Reported in EPA TSCA Inventory.
Standards and Recommendations
OSHA PEL: TWA 5 ppm; STEL 10 ppm
ACGIH TLV: TWA 5 ppm; STEL 10 ppm
DOT Classification: 2.3; Label: Poison Gas
Analytical Methods
For occupational chemical analysis use NIOSH: Sulfuryl Fluoride S245.
Specification
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. |