Jump to content

Fluoromethane

From Wikipedia, the free encyclopedia

This is an old revision of this page, as edited by Latifahphysics (talk | contribs) at 18:39, 2 May 2011. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Fluoromethane
Stick model of fluoromethane
Stick model of fluoromethane
Spacefill model of fluoromethane
Spacefill model of fluoromethane
Names
IUPAC name
Fluoromethane
Other names
Freon 41

Methyl fluoride
Halocarbon 41

Monofluoromethane
Identifiers
3D model (JSmol)
Abbreviations R41
1730725
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.008.907 Edit this at Wikidata
EC Number
  • 209-796-6
391
KEGG
MeSH Fluoromethane
UN number UN 2454
  • InChI=1S/CH3F/c1-2/h1H3 checkY
    Key: NBVXSUQYWXRMNV-UHFFFAOYSA-N checkY
  • InChI=1/CH3F/c1-2/h1H3
    Key: NBVXSUQYWXRMNV-UHFFFAOYAF
  • FC
Properties
CH3F
Molar mass 34.03 g/mol
Appearance Colorless, odorless gas
Density 1.4397 g/L

0.557 g/cm3 (liquid) at saturation pressure at 25 °C

Melting point 131.4 K (-141.8 °C)
Boiling point 195.0 K (-78.2 °C)
1.66 l/kg (2.295 g/l)
Vapor pressure 3.3 MPa
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 4: Will rapidly or completely vaporize at normal atmospheric pressure and temperature, or is readily dispersed in air and will burn readily. Flash point below 23 °C (73 °F). E.g. propaneInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1
4
0
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

Fluoromethane, also known as methyl fluoride, Freon 41, Halocarbon-41 and HFC-41, is a non-toxic, liquefiable, and flammable gas at standard temperature and pressure. It is made of carbon, hydrogen, and fluorine. The name stems from the fact that it is methane (CH4) plus fluorine, minus a hydrogen. It is used in the manufacture of semiconductor and electronic products. In the presence of an RF field fluoromethane will dissociate into fluoride ions that selectively etch silicon compound films (reactive-ion etching).

Bond energy of C-F is 552 kJ/mol and its length is 0.139 nm (typically 0.14 nm). It's molecular geometry is a tetrahedral.

Its specific heat capacity is Cp = 38.171 J.mol-1.K-1 at 25 °C. Critical point of fluoromethane is at 44.9 °C (318.1 K) and 6.280 MPa.

Retrieved from "https://en.wikipedia.org/w/index.php?title=Fluoromethane&oldid=427108650"