Difluoroiodomethane

Difluoroiodomethane

Names
Preferred IUPAC name difluoro(iodo)methane
Identifiers
CAS Number	1493-03-4  Y
3D model (JSmol)	Interactive image
ChemSpider	2055525
ECHA InfoCard	100.199.859
EC Number	674-488-4
PubChem CID	2775155
CompTox Dashboard (EPA)	DTXSID90379419
InChI InChI=1S/CHF2I/c2-1(3)4/h1H Key: YSLFMGDEEXOKHF-UHFFFAOYSA-N
SMILES C(F)(F)I
Properties
Chemical formula	CHF2I
Molar mass	177.920 g·mol−1
Appearance	Colorless clear liquid
Density	2.4 g/mL
Melting point	−122.0 °C (−187.6 °F; 151.2 K)
Boiling point	21.6 [1]  °C (70.9 °F; 294.8 K)
Hazards
GHS labelling: [2]
Pictograms
Signal word	Danger
Flash point	115 °C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Difluoroiodomethane is a tetrahalomethane with the chemical formula CHF₂I. ^{[3] [4]} This is a halomethane containing two fluorine atoms and one iodine atom attached to methane backbone. ^{[5] [6]}

Synthesis

The compound can be obtained by the action of mercury(I) fluoride on iodoform: ^[7]

CHI₃ + Hg₂F₂ → CHF₂I + Hg₂I↓

Phisical properties

The compound forms colorless to almost colorless clear liquid. It is flammable and irritating to the eyes, respiratory tract, and skin. ^[8]

References

1. Gendron, Richard (28 October 2004). Thermoplastic Foam Processing: Principles and Development. CRC Press. p. 159. ISBN   978-0-203-50216-7 . Retrieved 2 September 2025.
2. "C&L Inventory". echa.europa.eu. Retrieved 2 September 2025.
3. Issues in Analysis, Measurement, Monitoring, Imaging, and Remote Sensing Technology: 2011 Edition. ScholarlyEditions. 9 January 2012. p. 1611. ISBN   978-1-4649-6385-8 . Retrieved 2 September 2025.
4. "Difluoroiodomethane". NIST . Retrieved 2 September 2025.
5. Huber, Stefan (19 April 2021). Halogen Bonding in Solution. John Wiley & Sons. p. 157. ISBN   978-3-527-34731-5 . Retrieved 2 September 2025.
6. Mázor, L. (3 September 2013). Analytical Chemistry of Organic Halogen Compounds: International Series in Analytical Chemistry. Elsevier. p. 250. ISBN   978-1-4831-6065-8 . Retrieved 2 September 2025.
7. Coates, Robert M.; Denmark, Scott E. (9 July 1999). Reagents, Auxiliaries, and Catalysts for C-C Bond Formation. John Wiley & Sons. p. 422. ISBN   978-0-471-97924-1 . Retrieved 2 September 2025.
8. "Difluoroiodomethane (ca. 45%, ca. 3.0mol/L in Acetonitrile)" . Retrieved 2 September 2025.