Propionaldehyde
Systematic name	Propanal
Synonyms	Propionaldehyde Methylacetaldehyde Propionic aldehyde Propaldehyde Image File history File links Download high-resolution version (993x741, 7 KB) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Propionaldehyde User:Benjah-bmm27/Old gallery ... IUPAC nomenclature is a system of naming chemical compounds and of describing the science of chemistry in general. ...
Chemical formula	C3H6O
SMILES	CCC=O
Molecular mass	58.080 g mol−1
Appearance	Colorless liquid Pungent, fruity odor
CAS number	[123-38-6]
UN number	1275
Properties
Density	0.81 g cm−3
Solubility in water	20 g/100 ml (? °C)
Melting point	−81°C (192 K)
Boiling point	46-50°C (321 K)
Viscosity	0.6 cP at 20°C
Structure
Molecular shape	C1, O: sp2 C2, C3: sp3 A chemical formula (also called molecular formula) is a concise way of expressing information about the atoms that constitute a particular chemical compound. ... The simplified molecular input line entry specification or SMILES is a specification for unambiguously describing the structure of chemical molecules using short ASCII strings. ... The molecular mass (abbreviated MM) of a substance, 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, mixtures and alloys. ... UN numbers or UN IDs are four-digit numbers that identify hazardous substances and products (such as explosives and poisonous materials) of commercial importance. ... Density (symbol: ρ - Greek: rho) is a measure of mass per unit of volume. ... It has been suggested that this article or section be merged with Solution. ... Water (H2O, HOH) is the most abundant molecule on Earth, composing 70-75% of the Earths surface as liquid and solid state in addition to being found in the atmosphere as a vapor. ... The melting point of a solid is the temperature at which it changes state from solid to liquid. ... 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 at a given pressure. ... The pitch drop experiment at the University of Queensland. ... The poise (P) is the cgs unit of viscosity, 1 P = 1 g·cm-1·s-1 The SI analog is 1 pascal second (Pa·s) = 1 kg·m-1·s-1 = 10 P. It is named after Jean Louis Marie Poiseuille. ... four sp³ orbitals three sp² orbitals In chemistry, hybridisation or hybridization (see spelling differences) is the mixing of atomic orbitals belonging to a same electron shell to form new orbitals suitable for the qualitative description of atomic bonding properties. ...
Dipole moment	2.52 D
Hazards
MSDS	External MSDS
EU classification	Highly flammable (F) Irritant (Xi)
NFPA 704
R-phrases	R11, R36/37/38
S-phrases	S9, S16, S29
Flash point	−26°C
Autoignition temperature	175°C
RTECS number	?
Supplementary data page
Structure and properties	n, εr, etc.
Thermodynamic data	Phase behaviour Solid, liquid, gas
Spectral data	UV, IR, NMR, MS
Related compounds
Related aldehydes	Formaldehyde Acetaldehyde Butanal
Disclaimer and references

Note that propanol is a different compound.

In organic chemistry, propanal or propionaldehyde is the aldehyde of the 3 carbon propyl group. It has a chemical formula of CH₃CH₂CHO, and is a structural isomer of propanone. At room temperature, it is a colourless liquid with a slightly irritating, fruity odour. The Earths magnetic field, which is approximately a dipole. ... The debye (symbol: D) is a non-SI and non-CGS unit of electrical dipole moment. ... A material safety data sheet or MSDS is a form containing data regarding the properties of a particular substance. ... Council Directive 67/548/EEC of 27 June 1967 on the approximation of laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances (as amended) is the main source of European Union law concerning chemical safety. ... NFPA 704 is a standard maintained by the U.S. National Fire Protection Association. ... Image File history File links File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Image File history File links File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Image File history File links File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... R-phrases are defined in Annex III of European Union Directive 67/548/EEC: Nature of special risks attributed to dangerous substances and preparations. ... S-phrases are defined in Annex IV of European Union Directive 67/548/EEC: Safety advice concerning dangerous substances and preparations. ... The flash point of a flammable liquid is the lowest temperature at which it can form an ignitable mixture 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. ... RTECS, also known as Registry of Toxic Effects of Chemical Substances, is a database of toxicity information compiled from the open scientific literature that is available for charge. ... The refractive index (or index of refraction) of a material is the factor by which the phase velocity of electromagnetic radiation is slowed in that material, relative to its velocity in a vacuum. ... The dielectric constant εr (represented as or K in some cases) is defined as the ratio: where εs is the static permittivity of the material in question, and ε0 is the vacuum permittivity. ... Ultraviolet-Visible Spectroscopy or Ultraviolet-Visible Spectrophotometry (UV/ VIS) involves the spectroscopy of photons (spectrophotometry). ... IR spectrum of a thin film of liquid ethanol. ... Nuclear Magnetic Resonance Spectroscopy most commonly known as NMR Spectroscopy is the name given to the technique which exploits the magnetic properties of nuclei. ... Basic schematic of mass spectrometry Mass spectrometry is an analytical technique used to measure the mass-to-charge ratio of ions. ... An aldehyde is either a functional group consisting of a terminal carbonyl group or a compound containing a terminal carbonyl group. ... The chemical compound formaldehyde (also known as methanal), is a gas with a strong pungent smell. ... R-phrases , , S-phrases , , , Flash point −39 °C Autoignition temperature 185 °C RTECS number AB1925000 Supplementary data page Structure and properties n, εr, etc. ... Butanal (C4H8O) is the aldehyde analog of butane. ... Propanol, also known as 1-propyl alcohol, is a higher alcohol with a three carbon atoms. ... Organic chemistry is a specific discipline within the subject of chemistry. ... An aldehyde is either a functional group consisting of a terminal carbonyl group or a compound containing a terminal carbonyl group. ... General Name, Symbol, Number carbon, C, 6 Chemical series nonmetals Group, Period, Block 14, 2, p Appearance black (graphite) colorless (diamond) Atomic mass 12. ... In organic chemistry, propyl is a three-carbon alkyl substituent with chemical formula -C3H7. ... A chemical formula (also called molecular formula) is a concise way of expressing information about the atoms that constitute a particular chemical compound. ... Structural isomerism is a form of isomerism in which molecules with the same molecular formula have atoms bonded together in different orders (as opposed to stereoisomerism). ... In chemistry, acetone (also known as propanone, dimethyl ketone, 2-propanone, propan-2-one and β-ketopropane) is the simplest representative of the ketones. ...

Production

Propanal is mainly produced through the Fischer-Tropsch synthesis, combining synthesis gas (carbon monoxide and hydrogen) with ethene over a metal catalyst: Comparison between a clean Fischer-Tropsch diesel fuel (flask with clear liquid) and conventional No. ... It has been suggested that Town gas be merged into this article or section. ... Carbon monoxide, chemical formula CO, is a colorless, odorless, tasteless, and highly toxic gas. ... It has been suggested that Liquid hydrogen be merged into this article or section. ... Ethylene or ethene is the simplest alkene hydrocarbon, consisting of two carbon atoms and four hydrogens. ... In chemistry, a catalyst (Greek: καταλύτης, catalytēs) is a substance that decreases the activation energy of a chemical reaction (see also catalysis) without itself being changed at the end of the chemical reaction. ...

CO + H₂ + C₂H₄ → CH₃CH₂CHO

Uses

It is principally used to make trimethylolethane through condensation with methanol; this process is important in the production of alkyd resins. Condensation is the change in matter1 of a substance to a denser phase, such as a puppy gas (or vapor) to a liquid. ... Methanol, also known as methyl alcohol or wood alcohol, is a chemical compound with chemical formula CH3OH. It is the simplest alcohol, and is a light, volatile, colourless, flammable, poisonous liquid with a distinctive odor. ... Alkyd coatings are a class of polyester coatings derived from the reaction of an alcohol (alkohol) and an acid or acid anhydride hence the term alk-yd from alcohol and acid or anhydride] and are the dominant resin or binder in most oil-based coatings sold to the consumer market. ... Insect trapped in resin. ...

External links

• Link page to external chemical sources.