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|Carbon number||Melting point of hydrocarbons, alcohols and acids, C1-C16, given in °C|
|Carbon number||Melting point of hydrocarbons, alcohols and acids, C1-C16, given in °F|
|** rings without substituents|
Definitions of organic compounds
Hydrocarbon: An organic compound consisting entirely of hydrogen and carbon.
Main groups of hydrocarbons:
Alkane: An acyclic saturated hydrocarbon, with the general formula C n H 2n+2 . Also called paraffin .
Alkene: An unsaturated hydrocarbon that contains at least one carbon–carbon double bond, with the general formula C n H 2n . Also called olefine .
Alkyne : An unsaturated hydrocarbon containing at least one carbon—carbon triple bond, with the general formula C n H 2n-2 . Also called acetylene .
Cycloalkane: A one-ring (monocyclic) saturated hydrocarbon, with the general formula C n H 2n . Also called naphthene .
Cycloalkene: An alkene hydrocarbon which contains a closed ring of carbon atoms, but has no aromatic character, with the general formula C n H 2n-2 . Also called cycloolefin .
Aromatic hydrocarbon : A cyclic (ring-shaped), planar (flat) molecule with a ring of resonance bonds that exhibits more stability than other geometric or connective arrangements with the same set of atoms. The simplest of the aromatics have 6 carbon atoms and contains 3 double bounds. A one ring aromatic without any substituents is called benzene, with the formula C 6 H 6 .
Polycyclic aromatic hydrocarbons : hydrocarbon that are composed of multiple aromatic rings. A two ring aromatic without any substituents is called naphthalene, with the formula C 10 H 8 .
Some under-groups of hydrocarbons given in this document:
Alkyl: An alkane substituent missing one hydrogen, with general formula C n H 2n+1
2-Methylalkane: A branched alkane, with a methyl group connected to the second carbon atom in the main carbon chain.
3-Methylalkane: A branched alkane, with a methyl group connected to the third carbon atom in the main carbon chain.
2-Methylalkene: A branched alkene, with a methyl group connected to the second carbon atom in the main carbon chain.
Alkylcycklohexane: A monosubstituted cyclohexane with one branching via the attachment of one alkyl group on one carbon of the cyclohexane ring, with the general formula C n H (2n+1) C 6 H 11 .
Alkylcycklopentane : A monosubstituted cyclopentane with one branching via the attachment of one alkyl group on one carbon of the cyclohexane ring, with the general formula C n H 2n+1 C 5 H 9 .
Alkylbenzene: A monosubstituted benzene with one branching via the attachment of one alkyl group on one carbon of the benzene ring, with the general formula C n H (2n+1) C 6 H 5 .
Alkylnaphthalene: A monosubstituted naphthalene with one branching via the attachment of one alkyl group on one carbon of one of the aromatic rings, with the general formula C n H (2n+1) C 10 H 7 .
Some other groups of organic compounds:
Alcohol: an organic compound in which the hydroxyl functional group (–OH) is bound to a saturated carbon atom
Alkanol: An alcohol where the hydroxyl group is connected to an alkane
Carboxylic acid: an organic compound that contains a carboxyl group (C(=O)OH). The general formula of a carboxylic acid is R–COOH, with R referring to the rest of the molecule.
Alkanoic acid: A carboxylic acid where the R is an alkane.
Material properties of gases, fluids and solids - densities, specific heats, viscosities and more.
Melting and freezing points of elements and chemical species at varying conditions.
Molweight, melting and boiling point, density, pKa-values, as well as number of carbon and hydrogen atoms in molecules are given for 150 different alcohols and acids.
Recommended max suction flow velocity when pumping boiling fluids.
Variations in crude oil density are shown as function of temperatur, together with volume correction factors.
Melting points of elements.
The elements of the periodic system with names, symbols, atomic numbers and weights, melting and boiling points, density, electronegativity and electron affinity, and electron configuration.
Online calculator, figures and tables showing dynamic and kinematic viscosity of ethanol, C2H5OH, at varying temperature and pressure - Imperial and SI Units.
Freezing temperature and flash points for ethanol based water solutions or brines.
Properties like freezing point, viscosity, specific gravity and specific heat of ethylene glycol based heat-transfer fluids, or brines.
Boiling and freezing points of glycerine aqueous solutions.
Molweight, melting and boiling point, density, flash point and autoignition temperature, as well as number of carbon and hydrogen atoms in each molecule for 200 different hydrocarbons.
Calculate melting point of hydrocarbons from molecular weight (molar mass).
Boiling temperatures (°C and °F) with varying carbon numbers up to C33.
Density of hydrocarbons like alcohols and acids as function of carbon number at 20°C / 68°.
Physical constants for more than 280 common inorganic compounds. Density is given for the actual state at 25°C and for liquid phase at melting point temperature.
Variations in jet fuel density as function of temperatur, together with volume correction factors.
Common fluids and their freezing and melting points.
Boiling temperatures for common liquids and gases - acetone, butane, propane and more.
Variations in lubricating oil density as function of temperatur, together with volume correction factors.
Alloys and their melting points.
Melting and boiling point temperatures, latent heat of evaporation, and melting heat of common substances like copper, gold, lead and more - SI units.
The melting temperatures for some common metals and alloys.
Online calculator, figures and tables showing dynamic and kinematic viscosity of methane, CH4, at varying temperature and pressure - Imperial and SI Units.
Mo - Molybdenum - binary eutectic alloys and melting points.
Nomenclature rules for different groups of organic compounds and functional groups, together with examples of use of the rules.
Boiling and melting points of amines, diamines, pyrroles, pyridines, piperidines and quinolines shown together with their molecular structures, as well as molweights and density.
Boiling and melting points of thoils, sulfides, disulfides and thiophenes shown together with molecular structures, as well as molweights and density.
For oxygen containing organic compounds this is given: pKa (the negative logarithm of the acid dissociation constant), molecular structures, molar weights, density and melting and boiling points.
Freezing points of propylene glycol based heat-transfer fluids suitable for the food processing industry.
Physical properties of refrigerants - molecular weight, boiling, freezing and critical points.
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