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Encyclopedia > Fluoromethane
Fluoromethane
Common name methyl fluoride
Systematic name fluoromethane
General
Chemical formula CH3F
Molecular weight 33.04 g/mol
Appearance  ?
CAS number 593-53-3
MSDS Fluoromethane MSDS
Other names
  • methyl fluoride
  • Freon 41
  • Fluoromethane-d3
Physical properties
Density and phase at STP  ? g/cm3 (?)
Solubility  ?
Specific gravity 0.5786
Crystal structure  ?
pH (10% solution with water)
(pKa)
 ?
Acidity constant
(pKa)
 ?
Thermal decomposition  ? K (? °C)
Phase behavior
Melting point 131.4 K (−141.8 °C)
Boiling point 195.0 K (-78.2°C)
Triple point  ? K (? °C)
 ? kPa
Critical point  ? K (? °C)
 ? kPa
Heat of fusion
fusH)
 ? kJ/mol
Entropy of fusion
fusS)
 ? J/mol·K
Heat of vaporization
vapH)
 ? kJ/mol
Safety
Ingestion  ?
Inhalation  ?
Skin  ?
Eyes  ?
Flash point  ? °C
Autoignition temperature  ? °C
Explosive limits  ? - ?%
OSHA Permissible Exposure Limit
(PEL)
 ? ppm
NIOSH Immediate Danger to Life and Health
(IDLH)
 ? ppm
Precautions
  • Hazards:
    •  ?
  • Personal protection:
    •  ?
  • Reacts with:
    •  ?
  • Storage:
    •  ?
Solid properties
Standard enthalpy change of formation
fH0solid)
 ? kJ/mol
Standard molar entropy
(S0solid)
 ? J/(mol·K)
Heat capacity
(Cp)
 ? J/(mol·K)
Density  ? g/cm3
Liquid properties
ΔfH0liquid  ? kJ/mol
S0liquid  ? J/(mol·K)
Cp  ? J/(mol·K)
Density  ? g/cm3
Gas properties
ΔfH0gas  ? kJ/mol
S0gas  ? J/(mol·K)
Cp  ? J/(mol·K)

Except where noted, all data was produced under conditions of standard temperature and pressure. In science, a common name is any name by which a species or other concept is known that is not the official scientific name. ... There are millions of possible objects that can be described in science, too many to create common names for every one. ... A chemical formula (also called molecular formula) is a concise way of expressing information about the atoms that constitute a particular chemical compound. ... The molecular mass of a substance (less accurately called molecular weight and abbreviated as MW) is the mass of one molecule of that substance, relative to the unified atomic mass unit u (equal to 1/12 the mass of one atom of carbon-12). ... CAS registry numbers are unique numerical identifiers for chemical compounds, polymers, biological sequences and alloys. ... This page meets Wikipedias criteria for speedy deletion. ... Density (symbol: ρ - Greek: rho) is a measure of mass per unit of volume. ... In the physical sciences, a phase is a set of states of a macroscopic physical system that have relatively uniform chemical composition and physical properties (i. ... Temperature and air pressure can vary from one place to another on the Earth, and can also vary in the same place with time. ... A substance is soluble in a fluid if it dissolves in that fluid. ... Relative density (also known as specific gravity) is a measure of the density of a material. ... Rose des Sables (Sand Rose), formed of gypsum crystals In mineralogy and crystallography, a crystal structure is a unique arrangement of atoms in a crystal. ... PH or ph or pH or Ph may be: pH, a measure of acidity (chemistry) Ph, a phenyl ring (organic chemistry) PH, the ISO country code of the Philippines (see . ... Dissolving table salt in water In chemistry, a solution is a homogeneous mixture composed of one or more substances known as solutes that are dissolved in another substance known as a solvent. ... A girl in a swimming pool full of water Water (from the Old English waeter; c. ... ... The melting point of a solid is the temperature at which it changes state from solid to liquid. ... The kelvin (symbol: K) is the SI unit of temperature, and is one of the seven SI base units. ... A degree Celsius (°C) is a unit of temperature named after the Swedish astronomer Anders Celsius (1701-1744), who first proposed a similar system in 1742. ... The boiling point of a substance is the temperature at which it can change its state from a liquid to a gas throughout the bulk of the liquid. ... In physics, the triple point of a substance is the temperature and pressure at which three phases (gas, liquid, and solid) of that substance may coexist in thermodynamic equilibrium. ... The pascal (symbol Pa) is the SI unit of pressure. ... Chemistry In chemistry, a critical point is the conditions ( temperature, pressure) at which the liquid state of the matter ceases to exist. ... Heat of fusion is the amount of heat energy which must be absorbed or lost for 1 gram of a substance to change states from a solid to a liquid or vice versa. ... A kilojoule (abbreviation: kJ) is a unit of energy equal to 1000 joules. ... The mole and its simple conversions into different units of measurements. ... The Entropy of fusion of a substance represents the increase in the degree of disorder involved in the transition from an organized crystalline solid to the disorganized structure of a liquid. ... The joule (symbol: J) is the SI unit of energy, or work with base units of kg·m2·s-2. ... The heat of vaporization is a physical property of substances. ... The flash point of a fuel is the lowest temperature at which it can form an ignitable mix with air. ... The autoignition temperature of a substance is the lowest temperature at which a chemical will spontaneously combust in a normal atmosphere, without an external source of ignition, such as a flame or spark. ... The explosive limit of a gas or a vapour, is the limiting concentration (in air) that is needed for the gas to ignite and explode. ... The United States Occupational Safety and Health Administration (OSHA) was created by Congress under the Occupational Safety and Health Act, signed by President Richard M. Nixon on December 29, 1970. ... The Permissible Exposure Limit (PEL or OSHA PEL) is a legal limit in the United States for personal exposure to a substance, usually expressed in parts per million (ppm). ... Parts per million (ppm) is a measure of concentration that is used where low levels of concentration are significant. ... The National Institute for Occupational Safety and Health (NIOSH) is the United States federal agency responsible for conducting research and making recommendations for the prevention of work-related injury and illness. ... Immediately Dangerous to Life and Health (IDLH or NIOSH IDLH) is a limit for personal exposure to a substance defined by the United States National Institute for Occupational Safety and Health (NIOSH), normally expressed in parts per million (ppm). ... In jewelry, a solid gold piece is the alternative to gold-filled or gold-plated jewelry. ... The standard enthalpy of formation or standard heat of formation of a compound is the change of enthalpy that accompanies the formation of 1 mole of a substance in its standard state from its constituent elements in their standard states (the most stable form of the element at 1 atmosphere... In chemistry, the standard molar entropy is the entropy content of one mole of substance, under conditions of standard temperature and pressure. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... A liquid will assume the shape of its container. ... A gas is one of the four main phases of matter (after solid and liquid, and followed by plasma), that subsequently appear as a solid material is subjected to increasingly higher temperatures. ... Temperature and air pressure can vary from one place to another on the Earth, and can also vary in the same place with time. ...

Fluoromethane, also known as methyl fluoride, Freon 41 and HFC-41, is a toxic, liquefiable, and flammable gas at standard temperature and pressure. Its CAS registry number is 593-53-3. Freon is a trade name for a group of chlorofluorocarbons used primarily as a refrigerant. ... A gas is one of the four main phases of matter (after solid and liquid, and followed by plasma), that subsequently appear as a solid material is subjected to increasingly higher temperatures. ...

Contents


Lewis Dot Structure

 H | H - C - F | H 

Properties

Its melting point is −141.8 °C, and its boiling point is −78.4 °C.


See also

The haloalkanes (also known as Halogenoalkanes) are a group of chemical compounds, consisting of alkanes, such as methane or ethane, with one or more halogens linked, such as chlorine or fluorine, making them a type of organic halide. ...

External links

  • National Pollutant Inventory - Flouride and compounds fact sheet

  Results from FactBites:
 
Thermochemical and Chemical Kinetic Data for Fluorinated Hydrocarbons (10069 words)
Fluoromethanes: Abstraction of Hydrogen by F Atoms and Fluorine by H
Fluoromethane decompositions via abstraction of H atoms by H, O, and OH radicals are important pathways.
The fluoromethanes are primarily destroyed in hydrocarbon flames via H atom abstraction by H and OH and through unimolecular decomposition.
Methylfluorid (1436 words)
The aim of this work is to obtain a distinct picture of the thermochemistry of the relevant species and of the dynamics of the underlying reactions.
This is the region where the first excited state of the fluoromethane ion can be populated as apparent from the TPES (figure 5B).
The kinetic energy released in the F loss reaction from fluoromethane ions has been measured as a function of the internal energy of the parent ions.
  More results at FactBites »


 

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