Sulfonyl difluoride
[CAS# 2699-79-8]

Identification

• Classification: Chemical pesticide >> Insecticide >> Fumigant
• Name: Sulfonyl difluoride
• Synonyms: Sulfur fluoride oxide (SO2F2); Sulfur oxide fluoride (SF2O2); Sulfur oxyfluoride (SO2F2); Sulfuric oxyfluoride; Sulfuryl difluoride; Vikane; Vikane Gas Fumigant
• Molecular Formula: F₂O₂S
• Molecular Weight: 102.06
• CAS Registry Number: 2699-79-8
• EC Number: 220-281-5

Properties

• Solubility: Freely soluble (263 g/L) (25 °C), Calc.^*
• Density: 3.72E^-3 g/cm^3**
• Melting point: -135.8 °C^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** "International Chemical Safety Cards" data were obtained from the National Institute for Occupational Safety and Health (US)

Safety Data

• Hazard Symbols: GHS04;GHS06;GHS08;GHS09 Danger
• Risk Statements: H331-H373-H400

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Gases under pressure (liquid)	Press. Gas (Liq.)		H280
Acute toxicity	Acute Tox.	3	H331
Specific target organ toxicity - single exposure	STOT SE	1	H370
Acute toxicity	Acute Tox.	2	H330
Gases under pressure (compressed)	Press. Gas (Comp.)		H280